CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Period Of Adoption, Adjustment	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period Of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2018			181,931,225
Balance, beginning of period at Dec. 31, 2018	$ 1,773,949		$ 1,819	$ 1,459,620	$ 2,007,583		$ (629,684)	$ (1,065,389)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	127,945				127,945
Other comprehensive income, net of tax	7,633						7,633
Dividends	(60,859)				(60,859)
Repurchase of common stock	(61,712)							(61,712)
Share-based compensation (in shares)			702,687
Share-based compensation	10,655		$ 7	5,961				4,687
Ending balance (in shares) at Mar. 31, 2019			182,633,912
Balance, end of period at Mar. 31, 2019	1,797,611		$ 1,826	1,465,581	2,074,669		(622,051)	(1,122,414)
Beginning balance (in shares) at Dec. 31, 2018			181,931,225
Balance, beginning of period at Dec. 31, 2018	1,773,949		$ 1,819	1,459,620	2,007,583		(629,684)	(1,065,389)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	323,576
Other comprehensive income, net of tax	14,723						14,723
Ending balance (in shares) at Jun. 30, 2019			182,643,250
Balance, end of period at Jun. 30, 2019	1,910,641		$ 1,827	1,474,819	2,210,318		(614,961)	(1,161,362)
Beginning balance (in shares) at Mar. 31, 2019			182,633,912
Balance, beginning of period at Mar. 31, 2019	1,797,611		$ 1,826	1,465,581	2,074,669		(622,051)	(1,122,414)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	195,631				195,631
Other comprehensive income, net of tax	7,090						7,090
Dividends	(59,982)				(59,982)
Repurchase of common stock	(42,908)							(42,908)
Share-based compensation (in shares)			9,338
Share-based compensation	13,199		$ 1	9,238				3,960
Ending balance (in shares) at Jun. 30, 2019			182,643,250
Balance, end of period at Jun. 30, 2019	1,910,641		$ 1,827	1,474,819	2,210,318		(614,961)	(1,161,362)
Beginning balance (in shares) at Dec. 31, 2019			182,816,536
Balance, beginning of period at Dec. 31, 2019	1,803,999	$ (78,229)	$ 1,828	1,491,004	2,193,997	$ (78,229)	(536,949)	(1,345,881)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	69,695				69,695
Other comprehensive income, net of tax	(42,341)						(42,341)
Dividends	(58,817)				(58,817)
Repurchase of common stock	(7,071)							(7,071)
Share-based compensation (in shares)			585,053
Share-based compensation	4,747		$ 6	4,137				604
Ending balance (in shares) at Mar. 29, 2020			183,401,589
Balance, end of period at Mar. 29, 2020	1,691,983		$ 1,834	1,495,141	2,126,646		(579,290)	(1,352,348)
Beginning balance (in shares) at Dec. 31, 2019			182,816,536
Balance, beginning of period at Dec. 31, 2019	1,803,999	$ (78,229)	$ 1,828	1,491,004	2,193,997	$ (78,229)	(536,949)	(1,345,881)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(22,522)
Other comprehensive income, net of tax	(15,249)						(15,249)
Ending balance (in shares) at Jun. 28, 2020			183,411,204
Balance, end of period at Jun. 28, 2020	1,623,705		$ 1,834	1,494,259	2,031,329		(552,198)	(1,351,519)
Beginning balance (in shares) at Mar. 29, 2020			183,401,589
Balance, beginning of period at Mar. 29, 2020	1,691,983		$ 1,834	1,495,141	2,126,646		(579,290)	(1,352,348)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(92,217)				(92,217)
Other comprehensive income, net of tax	27,092						27,092
Dividends	(3,100)				(3,100)
Repurchase of common stock	(85)							(85)
Share-based compensation (in shares)			9,615
Share-based compensation	32			(882)				914
Ending balance (in shares) at Jun. 28, 2020			183,411,204
Balance, end of period at Jun. 28, 2020	$ 1,623,705		$ 1,834	$ 1,494,259	$ 2,031,329		$ (552,198)	$ (1,351,519)