Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Sales	$ 1,779,315	$ 1,502,532	$ 3,275,005	$ 2,800,005
Cost of Goods and Services Sold	1,342,867	1,117,356	2,486,109	2,091,348
Gross profit	436,448	385,176	788,896	708,657
Operating expenses:
Selling and marketing	140,603	122,859	269,862	240,566
Research and development	76,379	68,330	143,499	133,560
General and administrative	104,090	92,874	197,028	171,567
Total operating expenses	321,072	284,063	610,389	545,693
Operating income	135,122	122,457	217,058	205,733
Non-operating expense:
Interest expense	20,620	9,216	41,039	17,264
Equity in loss of other affiliates	455	3,954	1,061	25,465
Other income, net	(271)	(3,561)	(3,772)	(23,536)
Income before income taxes	114,318	112,848	178,730	186,540
Provision for income taxes	26,173	20,308	42,189	38,286
Net income	88,145	92,540	136,541	148,254
Net loss attributable to noncontrolling interest	118	0	100	0
Net income	$ 88,263	$ 92,540	$ 136,641	$ 148,254
Basic net income per share (in dollars per share)	$ 1.44	$ 1.46	$ 2.23	$ 2.34
Diluted net income per share (in dollars per share)	$ 1.42	$ 1.43	$ 2.20	$ 2.28
Weighted average shares outstanding:
Basic (in shares)	61,419	63,172	61,352	63,238
Diluted (in shares)	62,164	64,886	62,096	65,052
Income from financial services
Sales	$ 19,746	$ 21,344	$ 38,551	$ 42,769