Condensed Consolidated Statements of Shareholders' Deficit (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Treasury Stock [Member] Accelerated Share Repurchase 2018 [Member]	Paid-in Capital [Member]	(Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance as of beginning of period (in shares) at Dec. 27, 2017		107,740
Balance as of beginning of period at Dec. 27, 2017	$ (97,360)	$ 1,077	$ (355,626)		$ 594,166	$ (334,661)	$ (2,316)
Balance as of beginning of period, treasury stock (in shares) at Dec. 27, 2017			(43,151)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	32,190					32,190
Other comprehensive income (loss)	4,857						4,857
Share-based compensation on equity classified awards, net	2,128				2,128
Purchase of treasury stock (in shares)			(2,437)
Purchase of treasury stock	(37,407)		$ (37,407)
Issuance of common stock for share-based compensation (in shares)		447
Issuance of common stock for share-based compensation	0	$ 5			(5)
Exercise of common stock options (in shares)		306
Exercise of common stock options	1,058	$ 3			1,055
Balance as of end of period at Sep. 26, 2018	(109,980)	$ 1,085	$ (393,033)		597,344	(317,917)	2,541
Balance as of end of period (in shares) at Sep. 26, 2018		108,493
Balance as of end of period, treasury stock (in shares) at Sep. 26, 2018			(45,588)
Balance as of beginning of period (in shares) at Jun. 27, 2018		108,470
Balance as of beginning of period at Jun. 27, 2018	(117,877)	$ 1,084	$ (384,470)		596,248	(328,722)	(2,017)
Balance as of beginning of period, treasury stock (in shares) at Jun. 27, 2018			(45,014)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	10,805					10,805
Other comprehensive income (loss)	4,558						4,558
Share-based compensation on equity classified awards, net	1,052				1,052
Purchase of treasury stock (in shares)			(574)
Purchase of treasury stock	(8,563)		$ (8,563)
Issuance of common stock for share-based compensation (in shares)		3
Issuance of common stock for share-based compensation	0	$ 1			(1)
Exercise of common stock options (in shares)		20
Exercise of common stock options	45				45
Balance as of end of period at Sep. 26, 2018	$ (109,980)	$ 1,085	$ (393,033)		597,344	(317,917)	2,541
Balance as of end of period (in shares) at Sep. 26, 2018		108,493
Balance as of end of period, treasury stock (in shares) at Sep. 26, 2018			(45,588)
Balance as of beginning of period (in shares) at Dec. 26, 2018	108,585	108,585
Balance as of beginning of period at Dec. 26, 2018	$ (133,345)	$ 1,086	$ (416,815)		592,944	(306,414)	(4,146)
Balance as of beginning of period, treasury stock (in shares) at Dec. 26, 2018	(47,052)		(47,052)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 98,851					98,851
Other comprehensive income (loss)	(37,761)						(37,761)
Share-based compensation on equity classified awards, net	3,741				3,741
Purchase of treasury stock (in shares)			(2,632)	(389)
Purchase of treasury stock	(50,804)		$ (50,804)	$ (6,800)
Equity forward contract settlement	0		(6,763)		6,763
Issuance of common stock for share-based compensation (in shares)		468
Issuance of common stock for share-based compensation	0	$ 5			(5)
Exercise of common stock options (in shares)		360
Exercise of common stock options	966	$ 3			963
Balance as of end of period at Sep. 25, 2019	$ (118,746)	$ 1,094	$ (474,382)		604,406	(207,957)	(41,907)
Balance as of end of period (in shares) at Sep. 25, 2019	109,413	109,413
Balance as of end of period, treasury stock (in shares) at Sep. 25, 2019	(50,073)		(50,073)
Balance as of beginning of period (in shares) at Jun. 26, 2019		109,291
Balance as of beginning of period at Jun. 26, 2019	$ (142,572)	$ 1,093	$ (461,575)		601,902	(257,079)	(26,913)
Balance as of beginning of period, treasury stock (in shares) at Jun. 26, 2019			(49,484)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	49,122					49,122
Other comprehensive income (loss)	(14,994)						(14,994)
Share-based compensation on equity classified awards, net	2,089				2,089
Purchase of treasury stock (in shares)			(589)
Purchase of treasury stock	(12,807)		$ (12,807)
Issuance of common stock for share-based compensation (in shares)		3
Issuance of common stock for share-based compensation	0
Exercise of common stock options (in shares)		119
Exercise of common stock options	416	$ 1			415
Balance as of end of period at Sep. 25, 2019	$ (118,746)	$ 1,094	$ (474,382)		$ 604,406	$ (207,957)	$ (41,907)
Balance as of end of period (in shares) at Sep. 25, 2019	109,413	109,413
Balance as of end of period, treasury stock (in shares) at Sep. 25, 2019	(50,073)		(50,073)