Consolidated Statement of Shareholders' Equity - 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 2015 Accelerated Share Repurchase [Member]	November 2015 Accelerated Share Repurchase [Member] Treasury Stock [Member]	November 2016 Accelerated Share Repurchase [Member] Treasury Stock [Member]
Balance at Dec. 31, 2014	$ 1,583	$ 1,058	$ (108,326)	$ 571,674	$ (438,221)	$ (24,602)
Balance, common stock, share issued at Dec. 31, 2014		105,818
Balance, treasury stock, at cost, shares at Dec. 31, 2014			(21,111)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	35,976				35,976
Other comprehensive income (loss)	825					825
Share-based compensation on equity classified awards	3,428			3,428
Purchase of treasury stock	$ (92,676)		$ (92,676)				$ (36,900)
Purchase of treasury stock (in shares)	(8,500)		(8,548)				(3,500)
Equity forward contract issuance	$ (13,111)			(13,111)
Issuance of common stock for share-based compensation	0	$ 5		(5)
Issuance of common stock for share-based compensation (in shares)		503
Exercise of common stock options	732	$ 2		730
Exercise of common stock options (shares)		200
Tax benefit (expense) from share-based compensation	2,648			2,648
Balance at Dec. 30, 2015	(60,595)	$ 1,065	$ (201,002)	565,364	(402,245)	(23,777)
Balance, common stock, share issued at Dec. 30, 2015		106,521
Balance, treasury stock, at cost, shares at Dec. 30, 2015			(29,659)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	19,402				19,402
Other comprehensive income (loss)	22,370					22,370
Share-based compensation on equity classified awards	5,590			5,590
Purchase of treasury stock	$ (51,771)						$ (13,100)
Purchase of treasury stock (in shares)	(4,580)						(1,500)	(1,518)
Equity forward contract settlement	$ 0		$ (13,111)	13,111
Equity forward contract issuance	(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)		383
Exercise of common stock options	889	$ 2		887
Exercise of common stock options (shares)		211
Tax benefit (expense) from share-based compensation	(113)			(113)
Balance at Dec. 28, 2016	$ (71,112)	$ 1,071	$ (265,884)	577,951	(382,843)	(1,407)
Balance, common stock, share 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]
Cumulative effect adjustment	$ 9,139			551	8,588
Net income	39,594				39,594
Other comprehensive income (loss)	(909)					(909)
Share-based compensation on equity classified awards	8,131			8,131
Purchase of treasury stock	$ (82,858)		$ (82,858)
Purchase of treasury stock (in shares)	(6,800)		(6,840)						(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	655	$ 2		653
Exercise of common stock options (shares)		227
Balance at Dec. 27, 2017	$ (97,360)	$ 1,077	$ (355,626)	$ 594,166	$ (334,661)	$ (2,316)
Balance, common stock, share issued at Dec. 27, 2017	107,740	107,740
Balance, treasury stock, at cost, shares at Dec. 27, 2017	(43,151)		(43,151)