CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue, Net [Abstract]
Sales Revenue, Goods, Net	$ 2,074,967	$ 1,710,759	$ 1,690,064
Sales Revenue, Services, Net	435,804	386,957	326,678
Total net sales	2,510,771	2,097,716	2,016,742
Cost of Revenue [Abstract]
Cost of product sales	1,412,621	1,178,115	1,143,828
Cost of service sales	287,057	260,858	215,967
Total cost of sales	1,699,678	1,438,973	1,359,795
Gross profit	811,093	658,743	656,947
Research and development expenses	(68,874)	(59,712)	(62,115)
Selling expenses	(153,336)	(125,201)	(119,438)
General and administrative expenses	(355,264)	(312,384)	(288,540)
Operating income	233,619	161,446	186,854
Interest expense	(37,020)	(26,329)	(20,834)
Other income, net	1,354	245	862
Earnings before income taxes	197,953	135,362	166,882
Provision for income taxes	(59,972)	(43,073)	(48,262)
Earnings from continuing operations	137,981	92,289	118,620
Discontinued operations, net of taxes
Earnings from discontinued operations	0	3,043	7,769
Gain on divestiture	0	18,512	0
Earnings from discontinued operations	0	21,555	7,769
Net earnings	$ 137,981	$ 113,844	$ 126,389
Basic earnings per share
Earnings from continuing operations	$ 2.94	$ 1.98	$ 2.56
Earnings from discontinued operations	$ 0.00	$ 0.46	$ 0.17
Total	$ 2.94	$ 2.44	$ 2.73
Diluted earnings per share
Earnings from continuing operations	$ 2.88	$ 1.95	$ 2.52
Earnings from discontinued operations	$ 0.00	$ 0.45	$ 0.17
Total	$ 2.88	$ 2.40	$ 2.69
Dividends per share	$ 0.39	$ 0.35	$ 0.32
Weighted average shares outstanding:
Basic	46,991	46,743	46,372
Diluted	47,912	47,412	47,013