CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Convertible Common Shares	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)
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
Balance at Dec. 31, 2020	2,207,018		$ 20,765	1,765,323	33,516	387,414
Balance, Shares at Dec. 31, 2020		3,787	166,123
Net issuance of common stock under stock-based plans	(13,987)		$ 84	(14,071)
Net issuance of common stock under stock-based plans (in shares)			670
Convertible common shares	2,554			2,554
Exercise of convertible notes hedge call options	(158,876)		$ (153)	(158,723)
Stock-based compensation expense	13,359			13,359
Repurchase of common stock	$ (47,188)		$ (47)			(47,141)
Repurchase of common stock (in shares)	400		(374)
Cash dividends	$ (16,682)					(16,682)
Net income	205,512					205,512
Other comprehensive loss	(24,839)				(24,839)
Balance at Apr. 04, 2021	2,324,553		$ 20,802	1,765,971	$ 8,677	$ 529,103
Balance, Shares at Apr. 04, 2021		1,233	166,419
Convertible common shares (in shares)		(2,554)	1,222
Settlements of convertible notes	$ 157,682		$ 153	$ 157,529
Settlements of convertible notes (in shares)		(2,554)	1,222
Exercise of convertible notes hedge call options (in shares)			(1,222)