Condensed Consolidated Statements of Stockholders' Equity - Unaudited - USD ($) $ in Thousands	Total	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Income (Loss)
Balance, beginning of period at Dec. 28, 2018	$ 1,060,493	$ 691,116	$ (8,125)	$ 344,498	$ (576)	$ 33,004
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock awards exercised or vested		1,938
Stock-based compensation		6,894
Treasury shares purchased			(2,961)
Treasury shares reissued			713
Net income	85,312			85,312
Other comprehensive income (loss)	(23,235)					(23,235)
Balance, ending balance at Sep. 27, 2019	1,128,578	699,948	(10,373)	429,234		9,769
Balance, beginning of period at Jun. 28, 2019	1,111,695	697,681	(10,565)	398,648	0	25,931
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock awards exercised or vested		806
Stock-based compensation		1,461
Treasury shares purchased			(56)
Treasury shares reissued			248
Net income	30,586			30,586
Other comprehensive income (loss)	(16,162)					(16,162)
Balance, ending balance at Sep. 27, 2019	1,128,578	699,948	(10,373)	429,234		9,769
Balance, beginning of period at Dec. 31, 2019	1,152,488	701,051	(8,809)	440,258	0	19,988
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock awards exercised or vested		(8,593)
Stock-based compensation		6,229
Treasury shares purchased			0
Treasury shares reissued			8,809
Net income	61,831			61,831
Other comprehensive income (loss)	12,233					12,233
Balance, ending balance at Oct. 02, 2020	1,232,997	698,687	0	502,089		32,221
Balance, beginning of period at Jul. 03, 2020	1,181,401	695,684	(509)	471,747	$ 0	14,479
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock awards exercised or vested		16
Stock-based compensation		2,987
Treasury shares purchased			0
Treasury shares reissued			509
Net income	30,342			30,342
Other comprehensive income (loss)	17,742					17,742
Balance, ending balance at Oct. 02, 2020	$ 1,232,997	$ 698,687	$ 0	$ 502,089		$ 32,221