Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Sales	$ 1,302,343	$ 1,102,649	$ 3,204,648	$ 2,693,358
Cost of sales	914,069	767,864	2,253,043	1,889,587
Gross profit	388,274	334,785	951,605	803,771
Operating expenses:
Selling and marketing	87,567	78,810	227,315	195,541
Research and development	38,586	37,010	111,083	103,064
General and administrative	56,596	49,343	150,830	129,597
Total operating expenses	182,749	165,163	489,228	428,202
Income from financial services	17,048	11,671	42,313	33,247
Operating income	222,573	181,293	504,690	408,816
Non-operating expense (income):
Interest expense	2,835	1,520	8,686	4,364
Equity in loss of other affiliates	1,036	631	2,899	1,629
Other expense (income), net	252	(2,576)	(3,736)	(6,274)
Income before income taxes	218,450	181,718	496,841	409,097
Provision for income taxes	77,624	64,797	178,209	136,708
Net income from continuing operations	140,826	116,921	318,632	272,389
Loss from discontinued operations, net of tax		(3,777)		(3,777)
Net income	$ 140,826	$ 113,144	$ 318,632	$ 268,612
Basic net income per share:
Continuing operations	$ 2.13	$ 1.69	$ 4.82	$ 3.95
Loss from discontinued operations		$ (0.05)		$ (0.05)
Basic net income per share	$ 2.13	$ 1.64	$ 4.82	$ 3.90
Diluted net income per share:
Continuing operations	$ 2.06	$ 1.64	$ 4.68	$ 3.84
Loss from discontinued operations		$ (0.05)		$ (0.05)
Diluted net income per share	$ 2.06	$ 1.59	$ 4.68	$ 3.79
Weighted average shares outstanding:
Basic (in shares)	66,261	69,179	66,051	68,946
Diluted (in shares)	68,328	71,186	68,125	70,901