Goodwill and Purchased Intangible Assets - Goodwill and Other Indefinite Lived Intangible Assets (Detail) - USD ($) $ in Thousands	Sep. 23, 2016	Dec. 25, 2015
Intangible Assets Net Including Goodwill [Abstract]
Goodwill	$ 85,248	$ 85,248
Intangible Assets	38,464	42,782
Total	$ 123,712	$ 128,030