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	$ (15,446)			$ 0	$ (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	$ 9,759				9,759
Other comprehensive loss	(3,091)					(3,091)
Share-based compensation on equity classified awards	(104)			(104)
Purchase of treasury stock	(16,186)		$ (16,186)
Purchase of treasury stock (in shares)			(1,071)
Issuance of common stock for share-based compensation	0	$ 3		(3)
Issuance of common stock for share-based compensation (in shares)		233
Exercise of common stock options	1,013	$ 3		1,010
Exercise of common stock options (in shares)		286
Balance at Mar. 28, 2018	$ (121,415)	$ 1,083	$ (371,812)	$ 595,069	$ (340,348)	$ (5,407)
Balance, common stock, shares issued at Mar. 28, 2018	108,259	108,259
Balance, treasury stock, at cost, shares at Mar. 28, 2018	(44,222)		(44,222)