Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Additional Information (Detail)

v2.4.1.9
Acquisitions - Additional Information (Detail) (USD $)
0 Months Ended
Dec. 30, 2014
Mar. 28, 2015
Sep. 27, 2014
Mar. 29, 2014
Apr. 01, 2014
Business Acquisition [Line Items]          
Excess of purchase price included in goodwill   $ 209,089,000us-gaap_Goodwill $ 208,233,000us-gaap_Goodwill $ 205,756,000us-gaap_Goodwill  
Investment in joint ventures 16,000,000us-gaap_PaymentsToAcquireInterestInJointVenture        
Number of joint ventures 2cent_NumberOfJointVentures        
Percentage of equity interest in joint venture 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage        
Envincio, LLC [Member]          
Business Acquisition [Line Items]          
Purchase of certain assets         20,300,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
/ us-gaap_BusinessAcquisitionAxis
= cent_EnvincioLlcMember
Excess of purchase price included in goodwill         $ 3,333,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= cent_EnvincioLlcMember