Condensed Consolidated Statement of Shareholders' Deficit (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Paid-in Capital [Member]	(Deficit) [Member]	Accumulated Other Comprehensive Loss, Net [Member]	November 2016 Accelerated Share Repurchase [Member] Treasury Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect adjustment	$ 8,971			$ 551	$ 8,420
Balance at Dec. 28, 2016	$ (71,112)	$ 1,071	$ (265,884)	577,951	(382,843)	$ (1,407)
Balance, common stock, shares issued at Dec. 28, 2016	107,115	107,115
Balance, treasury stock, at cost, shares at Dec. 28, 2016	(35,757)		(35,757)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 26,447				26,447
Other comprehensive loss	(1,916)					(1,916)
Share-based compensation on equity classified awards	6,219			6,219
Purchase of treasury stock	(66,379)		$ (66,379)
Purchase of treasury stock (in shares)			(5,558)				(554)
Equity forward contract settlement	0		$ (6,884)	6,884
Issuance of common stock for share-based compensation	0	$ 4		(4)
Issuance of common stock for share-based compensation (in shares)		398
Exercise of common stock options	173	$ 1		172
Exercise of common stock options (in shares)		41
Balance at Sep. 27, 2017	$ (97,597)	$ 1,076	$ (339,147)	$ 591,773	$ (347,976)	$ (3,323)
Balance, common stock, shares issued at Sep. 27, 2017	107,554	107,554
Balance, treasury stock, at cost, shares at Sep. 27, 2017	(41,869)		(41,869)