Other Identifiable Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014	May. 01, 2015
Finite Lived Intangible Assets [Line Items]
Decrease due to measurement period adjustments	$ (3,371)	$ 0	$ (3,371)	$ 0
Distribution Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Additions to other identifiable intangible related to acquisition	47,100	13,200	47,100	13,200
Decrease due to measurement period adjustments	(3,000)
Customer Lists and Other Identifiable Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Additions to other identifiable intangible related to acquisition	2,000	$ 600	2,000	$ 600
Lexington Expansion [Member]
Finite Lived Intangible Assets [Line Items]
Additions to other identifiable intangible related to acquisition					$ 1,000
Lexington Expansion [Member] | Distribution Agreements [Member]
Finite Lived Intangible Assets [Line Items]
Additions to other identifiable intangible related to acquisition	200		200		$ 200
Lexington Expansion [Member] | Customer Lists and Other Identifiable Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Additions to other identifiable intangible related to acquisition	$ 800		$ 800