Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands	Dec. 01, 2015	Oct. 01, 2015	Jul. 31, 2015	Dec. 26, 2015	Sep. 26, 2015	Dec. 27, 2014
Business Acquisition [Line Items]
Excess of purchase price included in other assets				$ 59,873	$ 49,731	$ 64,280
National Consumers Outdoors Corp [Member]
Business Acquisition [Line Items]
Cost of acquisition	$ 61,000
Excess of purchase price included in other assets	$ 34,000
Hydro Organics Wholesale Inc [Member]
Business Acquisition [Line Items]
Cost of acquisition		$ 7,800
Excess of purchase price included in other assets		6,000
Contingent performance-based payments established at the time of acquisition		$ 2,000
IMS Trading Corp [Member]
Business Acquisition [Line Items]
Cost of acquisition			$ 23,000
Excess of purchase price included in other assets			$ 4,900