Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
Net Sales	$ 888,239	$ 993,828	$ 2,711,635	$ 2,335,963
Cost of sales	521,165	622,157	1,558,710	1,344,075
Gross profit	367,074	371,671	1,152,925	991,888
Selling, general and administrative expenses	116,051	226,446	431,514	404,239
Engineering, research and development expenses	66,810	64,990	209,746	160,953
Amortization of intangible assets	51,239	65,346	163,493	90,491
Impairment of goodwill	15,913		104,785	0
Gain on termination of alliance agreement	0	0	(154,754)	0
Operating income	117,061	14,889	398,141	336,205
Interest expense	77,820	84,150	244,874	129,027
Interest income	(2,226)	(1,395)	(5,854)	(2,065)
Other expense, net	10,243	12,852	13,309	27,373
Income (loss) before income tax (benefit) expense	31,224	(80,718)	145,812	181,870
Income tax (benefit) expense	(2,127)	(7,015)	2,851	30,377
Equity in net loss of affiliates	139	0	269	0
Net income (loss)	$ 33,212	$ (73,703)	$ 142,692	$ 151,493
Basic earnings (loss) per common share	$ 0.22	$ (0.50)	$ 0.95	$ 1.08
Diluted earnings (loss) per common share	$ 0.22	$ (0.50)	$ 0.95	$ 1.08
Weighted shares outstanding:
Basic	150,127	148,570	149,793	140,045
Diluted	151,229	148,570	150,816	140,892