Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Net Sales	$ 412,327	$ 391,047
Cost of sales	226,849	213,654
Gross profit	185,478	177,393
Selling, general and administrative expenses	58,891	82,254
Engineering, research and development expenses	29,632	28,991
Amortization of intangible assets	16,211	18,657
Operating income	80,744	47,491
Interest expense	10,559	10,884
Interest income	(321)	(1,225)
Other expense (income), net	878	(248)
Income before income tax expense	69,628	38,080
Income tax expense	8,622	5,422
Net income	$ 61,006	$ 32,658
Basic net income per common share	$ 0.45	$ 0.24
Diluted net income per common share	$ 0.45	$ 0.24
Weighted shares outstanding:
Basic	134,745	135,299
Diluted	136,369	136,692