CONSOLIDATED STATEMENTS OF NET INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 01, 2022	Dec. 26, 2020	Dec. 28, 2019
Income Statement [Abstract]
Net sales	$ 2,079,928	$ 1,445,695	$ 1,503,873
Cost of sales	1,308,002	944,523	957,578
Gross profit	771,926	501,172	546,295
Selling, general, and administrative expenses	275,457	204,507	220,448
Research and development expenses	65,940	52,538	79,997
Amortization of intangibles	42,729	40,039	40,026
Restructuring, impairment, and other charges	2,158	41,716	13,033
Total operating expenses	386,284	338,800	353,504
Operating income (loss)	385,642	162,372	192,791
Interest expense	18,527	21,077	22,266
Foreign exchange loss (gain)	17,158	(14,875)	5,224
Other expense (income), net	8,932	(5,083)	(583)
Income before income taxes	341,025	161,253	165,884
Income taxes	57,219	31,267	26,802
Net income	$ 283,806	$ 129,986	$ 139,082
Income per share:
Basic (in dollars per share)	$ 11.54	$ 5.33	$ 5.66
Diluted (in dollars per share)	$ 11.38	$ 5.29	$ 5.60
Weighted average shares and equivalent shares outstanding:
Basic (in shares)	24,603	24,371	24,576
Diluted (in shares)	24,932	24,592	24,818