CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 27, 2022	Mar. 28, 2021
Income Statement [Abstract]
Net revenues	$ 641,715	$ 633,925
Cost of goods sold	295,482	289,398
Gross profit	346,233	344,527
Selling, general and administrative expenses	203,932	203,148
Research and development expenses	36,360	29,947
Restructuring and impairment charges	2,405	7,998
Income from continuing operations before interest and taxes	103,536	103,434
Interest expense	10,418	16,798
Interest income	(222)	(659)
Income from continuing operations before taxes	93,340	87,295
Taxes on income from continuing operations	15,973	12,428
Income from continuing operations	77,367	74,867
Operating loss from discontinued operations	(294)	(1)
Tax benefit on operating loss from discontinued operations	(68)	0
Loss from discontinued operations	(226)	(1)
Net income	$ 77,141	$ 74,866
Basic:
Income from continuing operations (in dollars per share)	$ 1.65	$ 1.60
Loss from discontinued operations (in dollars per share)	0	0
Net income (in dollars per share)	1.65	1.60
Diluted:
Income from continuing operations (in dollars per share)	1.63	1.58
Loss from discontinued operations (in dollars per share)	0	0
Net income (in dollars per share)	$ 1.63	$ 1.58
Weighted average common shares outstanding
Basic (in shares)	46,876	46,698
Diluted (in shares)	47,402	47,407