Condensed Consolidated Statements of Shareholders' Deficit - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury Stock	Paid-in Capital	Deficit	Deficit Revision of Prior Period, Accounting Standards Update, Adjustment	Accumulated Other Comprehensive Loss, Net	Accelerated Share Repurchase 2018 Treasury Stock
Balance as of beginning of period (in shares) at Dec. 26, 2018		108,585
Balance as of beginning of period at Dec. 26, 2018	$ (133,345)	$ 1,086	$ (416,815)	$ 592,944	$ (306,414)	$ (394)	$ (4,146)
Balance as of beginning of period, treasury stock (in shares) at Dec. 26, 2018			(47,052)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury stock (in shares)								(400)
Purchase of treasury stock								$ (6,800)
Balance as of end of period (in shares) at Mar. 27, 2019		108,986
Balance as of end of period at Mar. 27, 2019	(140,221)	$ 1,090	$ (432,519)	598,825	(291,318)		(16,299)
Balance as of end of period, treasury stock (in shares) at Mar. 27, 2019			(47,948)
Balance as of beginning of period (in shares) at Dec. 26, 2018		108,585
Balance as of beginning of period at Dec. 26, 2018	(133,345)	$ 1,086	$ (416,815)	592,944	(306,414)	$ (394)	(4,146)
Balance as of beginning of period, treasury stock (in shares) at Dec. 26, 2018			(47,052)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	49,729				49,729
Other comprehensive income (loss)	(22,767)						(22,767)
Share-based compensation on equity classified awards, net of withholding tax	1,652			1,652
Purchase of treasury stock (in shares)			(2,043)					(389)
Purchase of treasury stock	(37,997)		$ (37,997)
Equity forward contract settlement			(6,763)	6,763
Issuance of common stock for share-based compensation (in shares)		465
Issuance of common stock for share-based compensation		$ 5		(5)
Exercise of common stock options (in shares)		241
Exercise of common stock options	550	$ 2		548
Balance as of end of period (in shares) at Jun. 26, 2019		109,291
Balance as of end of period at Jun. 26, 2019	(142,572)	$ 1,093	$ (461,575)	601,902	(257,079)		(26,913)
Balance as of end of period, treasury stock (in shares) at Jun. 26, 2019			(49,484)
Balance as of beginning of period (in shares) at Mar. 27, 2019		108,986
Balance as of beginning of period at Mar. 27, 2019	(140,221)	$ 1,090	$ (432,519)	598,825	(291,318)		(16,299)
Balance as of beginning of period, treasury stock (in shares) at Mar. 27, 2019			(47,948)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	34,239				34,239
Other comprehensive income (loss)	(10,614)						(10,614)
Share-based compensation on equity classified awards, net of withholding tax	2,637			2,637
Purchase of treasury stock (in shares)			(1,536)
Purchase of treasury stock	(29,056)		$ (29,056)
Issuance of common stock for share-based compensation (in shares)		118
Issuance of common stock for share-based compensation		$ 2		(2)
Exercise of common stock options (in shares)		187
Exercise of common stock options	443	$ 1		442
Balance as of end of period (in shares) at Jun. 26, 2019		109,291
Balance as of end of period at Jun. 26, 2019	$ (142,572)	$ 1,093	$ (461,575)	601,902	(257,079)		(26,913)
Balance as of end of period, treasury stock (in shares) at Jun. 26, 2019			(49,484)
Balance as of beginning of period (in shares) at Dec. 25, 2019	109,415	109,415
Balance as of beginning of period at Dec. 25, 2019	$ (138,064)	$ 1,094	$ (519,780)	603,980	(189,398)		(33,960)
Balance as of beginning of period, treasury stock (in shares) at Dec. 25, 2019	(52,320)		(52,320)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Purchase of treasury stock (in shares)	(1,700)
Purchase of treasury stock	$ (34,200)
Balance as of end of period (in shares) at Mar. 25, 2020		109,677
Balance as of end of period at Mar. 25, 2020	$ (200,492)	$ 1,097	$ (553,973)	599,401	(180,385)		(66,632)
Balance as of end of period, treasury stock (in shares) at Mar. 25, 2020			(54,010)
Balance as of beginning of period (in shares) at Dec. 25, 2019	109,415	109,415
Balance as of beginning of period at Dec. 25, 2019	$ (138,064)	$ 1,094	$ (519,780)	603,980	(189,398)		(33,960)
Balance as of beginning of period, treasury stock (in shares) at Dec. 25, 2019	(52,320)		(52,320)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (13,952)				(13,952)
Other comprehensive income (loss)	(28,257)						(28,257)
Share-based compensation on equity classified awards, net of withholding tax	(3,107)			(3,107)
Purchase of treasury stock (in shares)			(1,690)
Purchase of treasury stock	(34,193)		$ (34,193)
Issuance of common stock for share-based compensation (in shares)		287
Issuance of common stock for share-based compensation		$ 3		(3)
Exercise of common stock options (in shares)		17
Exercise of common stock options	$ 66			66
Balance as of end of period (in shares) at Jun. 24, 2020	109,719	109,719
Balance as of end of period at Jun. 24, 2020	$ (217,507)	$ 1,097	$ (553,973)	600,936	(203,350)		(62,217)
Balance as of end of period, treasury stock (in shares) at Jun. 24, 2020	(54,010)		(54,010)
Balance as of beginning of period (in shares) at Mar. 25, 2020		109,677
Balance as of beginning of period at Mar. 25, 2020	$ (200,492)	$ 1,097	$ (553,973)	599,401	(180,385)		(66,632)
Balance as of beginning of period, treasury stock (in shares) at Mar. 25, 2020			(54,010)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(22,965)				(22,965)
Other comprehensive income (loss)	4,415						4,415
Share-based compensation on equity classified awards, net of withholding tax	1,469			1,469
Issuance of common stock for share-based compensation (in shares)		25
Exercise of common stock options (in shares)		17
Exercise of common stock options	$ 66			66
Balance as of end of period (in shares) at Jun. 24, 2020	109,719	109,719
Balance as of end of period at Jun. 24, 2020	$ (217,507)	$ 1,097	$ (553,973)	$ 600,936	$ (203,350)		$ (62,217)
Balance as of end of period, treasury stock (in shares) at Jun. 24, 2020	(54,010)		(54,010)