CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive (Loss) Income	Accumulated Deficit
Balance at Dec. 31, 2018	$ 1,522,354	$ 21,940	$ 1,671,645	$ (13,040)	$ (158,191)
Balance, Shares at Dec. 31, 2018		175,522
Net issuance of common stock under stock-based plans	(49)	$ 161	(210)
Net issuance of common stock under stock-based plans (in shares)		1,287
Stock-based compensation expense	8,562		8,562
Repurchase of common stock	$ (151,470)	$ (557)			(150,913)
Repurchase of common stock (in shares)	4,500	(4,456)
Cash dividends	$ (15,641)				(15,641)
Net income	109,138				109,138
Other comprehensive loss	(2,666)			(2,666)
Balance at Mar. 31, 2019	1,470,228	$ 21,544	1,679,997	(15,706)	(215,607)
Balance, Shares at Mar. 31, 2019		172,353
Balance at Dec. 31, 2019	1,480,158	$ 20,801	1,720,129	(18,854)	(241,918)
Balance, Shares at Dec. 31, 2019		166,410
Net issuance of common stock under stock-based plans	(9,936)	$ 109	(10,045)
Net issuance of common stock under stock-based plans (in shares)		872
Stock-based compensation expense	11,283		11,283
Repurchase of common stock	$ (82,065)	$ (168)			(81,897)
Repurchase of common stock (in shares)	1,300	(1,344)
Cash dividends	$ (16,699)				(16,699)
Net income	176,191				176,191
Other comprehensive loss	(8,259)			(8,259)
Balance at Mar. 29, 2020	$ 1,550,673	$ 20,742	$ 1,721,367	$ (27,113)	$ (164,323)
Balance, Shares at Mar. 29, 2020		165,938