Central Garden & Pet Company Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Additional Information (Detail)

Long-Term Debt - Additional Information (Detail) - USD ($)				1 Months Ended		3 Months Ended		12 Months Ended
	Nov. 09, 2015	Mar. 01, 2015	Feb. 13, 2012	Nov. 30, 2015	Jan. 31, 2015	Mar. 28, 2015	Dec. 28, 2013	Sep. 26, 2015	Sep. 27, 2014	Sep. 28, 2013	Dec. 05, 2013	Mar. 08, 2010
Components of long-term debt
Debt, aggregate principal amount								$ 400,139,000	$ 450,239,000
Non-cash charge								537,000	1,731,000	$ 0
Subsequent Events [Member] \| 6.125% Senior Notes Due in November 2023 [Member]
Components of long-term debt
Debt, aggregate principal amount	$ 400,000,000
Debt instrument interest rate stated, percentage	6.125%
Senior notes due date	2023-11
Asset-based Revolving Credit Facility [Member]
Components of long-term debt
Non-cash charge							$ 1,700,000
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								$ 0	0
Credit facility, additional borrowings available											$ 200,000,000
Credit facility, maturity date								Dec. 05, 2018
Borrowings outstanding								$ 0
Letters of credit outstanding								0
Other letters of credit outstanding								$ 6,000,000
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 September 26, 2015) and such applicable margin for Base Rate borrowings fluctuates between 0.25%-0.75% (and was 0.25% at September 26, 2015).
Borrowing availability								$ 307,000,000
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.
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%
Credit facility, basis percentage for calculation of variable rate spread								1.00%
Debt instrument fixed charge coverage ratio								1.00
Debt issuance cost								$ 3,100,000
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 margin rate on the credit facility								0.25%
Applicable interest rate on the credit facility								3.50%
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 margin rate on the credit facility								1.25%
Applicable interest rate on the credit facility								1.40%
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 margin rate on the credit facility								0.25%
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 margin rate on the credit facility								1.25%
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 margin rate on the credit facility								0.75%
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 margin rate on the credit facility								1.75%
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											$ 390,000,000
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								$ 399,691,000	$ 449,529,000			$ 400,000,000
Debt instrument interest rate stated, percentage								8.25%				8.25%
Senior subordinated notes due date								Mar. 01, 2018
Notes issue price percentage			98.501%
Debt, redemption of principal amount		$ 50,000,000			$ 50,000,000
Redemption date of senior subordinated notes								Mar. 01, 2015
Debt redemption price percentage		102.063%			102.063%
Charge recognized during debt redemption						$ 1,600,000
Debt redemption terms								The Company could redeem some or all of the remaining 2018 Notes at any time after March 1, 2015 for 102.063% and on or after March 1, 2016 for 100%, plus accrued and unpaid interest.
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%
Senior subordinated notes due date				Mar. 01, 2018
Senior Subordinated Notes, Net of Unamortized Discount, Interest at 8.25%, Payable Semi-annually, Principal Due March 2018 [Member] \| March 2015 [Member]
Components of long-term debt
Debt redemption price percentage								102.063%
Senior Subordinated Notes, Net of Unamortized Discount, Interest at 8.25%, Payable Semi-annually, Principal Due March 2018 [Member] \| March 2016 [Member]
Components of long-term debt
Debt redemption price percentage								100.00%
Senior Subordinated Notes, Net of Unamortized Discount, Interest at 8.25%, Payable Semi-annually, Principal Due March 2018 [Member] \| Upon Change Of Control [Member]
Components of long-term debt
Debt redemption price percentage								101.00%
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			$ 50,000,000
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.