Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Additional Information (Detail)

v2.4.1.9
Long-Term Debt - Additional Information (Detail) (USD $)
 3 Months Ended 0 Months Ended 1 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Feb. 13, 2012
Jan. 31, 2015
Sep. 27, 2014
Dec. 05, 2013
Mar. 08, 2010
Components of long-term debt              
Debt, aggregate principal amount $ 450,202,000us-gaap_LongTermDebt $ 449,538,000us-gaap_LongTermDebt     $ 450,239,000us-gaap_LongTermDebt    
Debt redemption terms The Company may redeem some or all of the 2018 Notes at any time before March 1, 2015 for 104.125%, on or after March 1, 2015 for 102.063% and on or after March 1, 2016 for 100%, plus accrued and unpaid interest.            
Debt redemption price percentage 101.00%us-gaap_DebtInstrumentRedemptionPricePercentage            
Current portion of long term debt 50,289,000us-gaap_LongTermDebtCurrent 73,000us-gaap_LongTermDebtCurrent     291,000us-gaap_LongTermDebtCurrent    
Debt interest terms Borrowings under the Credit Facility bear interest at an index based on LIBOR or, at the option of the Company, the Base Rate (defined as the highest of (a) the SunTrust prime rate, (b) the Federal Funds Rate plus 0.5% and (c) one-month LIBOR plus 1.00%), plus, in either case, an applicable margin based on the Company’s total outstanding borrowings. Such applicable margin for LIBOR-based borrowings fluctuates between 1.25%-1.75% (and was 1.25% at December 27, 2014) and such applicable margin for Base Rate borrowings fluctuates between 0.25%-0.75% (and was 0.25% at December 27, 2014).            
Credit facility, base rate computation, option third description One-month LIBOR plus 1.00%), plus, in either case, an applicable margin based on the Company's total outstanding borrowings.            
Debt instrument fixed charge coverage ratio 1.00cent_MinimumFixedChargeCoverageRatio            
Debt issuance cost   3,100,000us-gaap_DebtIssuanceCosts          
Non-cash charge 0us-gaap_WriteOffOfDeferredDebtIssuanceCost 1,731,000us-gaap_WriteOffOfDeferredDebtIssuanceCost          
March 2014 - February 2015 [Member]              
Components of long-term debt              
Notes redemption price percentage 104.125%cent_NotesRedemptionPricePercentage
/ us-gaap_CreationDateAxis
= cent_FirstMarchTwoThousandFourteenToTwentyEightFebruaryTwoThousandFifteenMember 		           
March 2015 [Member]              
Components of long-term debt              
Notes redemption price percentage 102.063%cent_NotesRedemptionPricePercentage
/ us-gaap_CreationDateAxis
= cent_MarchTwoThousandFifteenMember 		           
March 2016 [Member]              
Components of long-term debt              
Notes redemption price percentage 100.00%cent_NotesRedemptionPricePercentage
/ us-gaap_CreationDateAxis
= cent_MarchTwoThousandSixteenMember 		           
Revolving Credit Facility, Interest at Alternate Base Rate Plus a Margin of 0.75% to 1.75%, or LIBOR Plus a Margin of 1.75% to 2.75%, Final Maturity June 2016 [Member]              
Components of long-term debt              
Non-cash charge   1,700,000us-gaap_WriteOffOfDeferredDebtIssuanceCost
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember 		         
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member]              
Components of long-term debt              
Debt, aggregate principal amount 0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		    0us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		   
Credit facility, additional borrowings available           200,000,000cent_LineOfCreditFacilityAdditionalBorrowingCapacity
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		 
Credit facility, maturity date Dec. 05, 2018            
Borrowings outstanding 0cent_BorrowingsOutstandingAgainstLineOfCredit
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		           
Letters of credit outstanding 0cent_LettersOfCreditOutstanding
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		           
Other letters of credit outstanding 12,600,000cent_OtherLettersOfCreditOutstandingAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		           
Borrowing availability 293,600,000us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		           
Credit facility, base rate computation, option first description SunTrust prime rate            
Credit facility, base rate computation, option second description Federal Funds Rate plus 0.5%            
Credit facility, base rate computation, option second description, basis spread percentage 0.50%cent_LineOfCreditFacilityAlternateBaseRateComputationOptionTwoBasisSpreadPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		           
Credit facility, basis percentage for calculation of variable rate spread 1.00%cent_LineOfCreditFacilityBasisPercentageForCalculationOfVariableRateSpread
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Option One [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_StatementScenarioAxis
= cent_OptionOneMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Option Two [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_StatementScenarioAxis
= cent_OptionTwoMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Base Rate Borrowings [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 3.50%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_VariableRateAxis
= us-gaap_BaseRateMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | LIBOR-Based Borrowings [Member]              
Components of long-term debt              
Senior subordinated notes due date Dec. 31, 2018            
Applicable interest rate on the credit facility 1.40%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Minimum [Member] | Option One [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementScenarioAxis
= cent_OptionOneMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Minimum [Member] | Option Two [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_StatementScenarioAxis
= cent_OptionTwoMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Minimum [Member] | Base Rate Borrowings [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= us-gaap_BaseRateMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Minimum [Member] | LIBOR-Based Borrowings [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Maximum [Member] | Option One [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_StatementScenarioAxis
= cent_OptionOneMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Maximum [Member] | Option Two [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 0.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_StatementScenarioAxis
= cent_OptionTwoMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Maximum [Member] | Base Rate Borrowings [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 0.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= us-gaap_BaseRateMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Maximum [Member] | LIBOR-Based Borrowings [Member]              
Components of long-term debt              
Applicable interest rate on the credit facility 1.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember 		           
Asset-based Revolving Credit Facility, Interest at LIBOR Plus a Margin of 1.25% to 1.75% or Base Rate Plus a Margin of 0.25% to 0.75%, Final Maturity December 2018 [Member] | Asset-based Revolving Credit Facility [Member]              
Components of long-term debt              
Credit facility, maximum principal amount           390,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_CreditFacilityAxis
= us-gaap_RevolvingCreditFacilityMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SecuredDebtMember 		 
Senior Subordinated Notes, Net of Unamortized Discount, Interest at 8.25%, Payable Semi-annually, Principal Due March 2018 [Member]              
Components of long-term debt              
Debt, aggregate principal amount 449,560,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember 		449,444,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember 		    449,529,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember 		  400,000,000us-gaap_LongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Debt instrument interest rate stated, percentage 8.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember 		          8.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
Senior subordinated notes due date Mar. 01, 2018            
Notes issue price percentage     98.501%cent_NotesIssuePricePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember 		       
Senior Subordinated Notes, Net of Unamortized Discount, Interest at 8.25%, Payable Semi-annually, Principal Due March 2018 [Member] | March 28, 2015 [Member]              
Components of long-term debt              
Charge recognized during debt redemption 1,500,000cent_DebtRedemptionTransactionFees
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember 		           
Senior Subordinated Notes, Net of Unamortized Discount, Interest at 8.25%, Payable Semi-annually, Principal Due March 2018 [Member] | Subsequent Events [Member]              
Components of long-term debt              
Debt instrument interest rate stated, percentage       8.25%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		     
Senior subordinated notes due date       Mar. 01, 2018      
Debt redemption price percentage       102.063%us-gaap_DebtInstrumentRedemptionPricePercentage
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		     
Debt, aggregate principal amount       50,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		     
Redemption date of senior subordinated notes       Mar. 01, 2015      
Current portion of long term debt       50,000,000us-gaap_LongTermDebtCurrent
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember 		     
Senior Subordinated Notes, Net of Unamortized Discount, Interest at 8.25%, Payable Semi-annually, Principal Due March 2018 [Member] | Revolving Credit Facility, Interest at Alternate Base Rate Plus a Margin of 0.75% to 1.75%, or LIBOR Plus a Margin of 1.75% to 2.75%, Final Maturity June 2016 [Member]              
Components of long-term debt              
Additional issuance amount on senior notes     50,000,000cent_DebtInstrumentAdditionalBorrowings
/ us-gaap_CreditFacilityAxis
= us-gaap_LineOfCreditMember
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember 		       
Issuance price of additional senior subordinated notes 2018 Notes at a price of 98.501%, plus accrued interest from September 1, 2011, in a private placement.