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]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect adjustment recognized upon adoption of Topic 606	$ (15,446)				$ (15,446)
Balance at Dec. 27, 2017	$ (97,360)	$ 1,077	$ (355,626)	$ 594,166	(334,661)	$ (2,316)
Balance, common stock, shares issued at Dec. 27, 2017	107,740	107,740
Balance, treasury stock, at cost, shares at Dec. 27, 2017	(43,151)		(43,151)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 32,190				32,190
Other comprehensive income	4,857					4,857
Share-based compensation on equity classified awards, net	2,128			2,128
Purchase of treasury stock	(37,407)		$ (37,407)
Purchase of treasury stock (in shares)			(2,437)
Issuance of common stock for share-based compensation	0	$ 5		(5)
Issuance of common stock for share-based compensation (in shares)		447
Exercise of common stock options	1,058	$ 3		1,055
Exercise of common stock options (in shares)		306
Balance at Sep. 26, 2018	$ (109,980)	$ 1,085	$ (393,033)	$ 597,344	$ (317,917)	$ 2,541
Balance, common stock, shares issued at Sep. 26, 2018	108,493	108,493
Balance, treasury stock, at cost, shares at Sep. 26, 2018	(45,588)		(45,588)