Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Sales	$ 1,495,690	$ 1,297,473
Cost of Goods and Services Sold	1,143,242	973,992
Gross profit	352,448	323,481
Operating expenses:
Selling and marketing	129,259	117,707
Research and development	67,120	65,230
General and administrative	92,938	78,693
Total operating expenses	289,317	261,630
Operating income	81,936	83,276
Non-operating expense:
Interest expense	20,419	8,048
Equity in loss of other affiliates	606	21,511
Other income, net	(3,501)	(19,975)
Income before income taxes	64,412	73,692
Provision for income taxes	16,016	17,978
Net income	48,396	55,714
Net income attributable to noncontrolling interest	(18)	0
Net income	$ 48,378	$ 55,714
Basic net income per share (in dollars per share)	$ 0.79	$ 0.88
Diluted net income per share (in dollars per share)	$ 0.78	$ 0.85
Weighted average shares outstanding:
Basic (in shares)	61,284	63,303
Diluted (in shares)	62,027	65,219
Income from financial services
Sales	$ 18,805	$ 21,425