CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS
Net sales	$ 592,687	$ 501,661
Cost of sales	408,980	342,387
Gross profit	183,707	159,274
Research and development expenses	17,608	15,347
Selling expenses	36,796	32,481
General and administrative expenses	91,277	75,887
Operating income	38,026	35,559
Interest expense	(8,659)	(6,482)
Other income (expense), net	474	102
Earnings from continuing operations before income taxes	29,841	29,179
Provision for income taxes	8,898	9,337
Earnings from continuing operations	20,943	19,842
Discontinued operations, net of taxes
Earnings from discontinued operations	0	3,059
Gain (loss) on divestiture	0	18,411
Earnings (loss) from discontinued operations	0	21,470
Net earnings	$ 20,943	$ 41,312
Basic earnings per share
Earnings from continuing operations	$ 0.45	$ 0.42
Earnings from discontinued operations	$ 0	$ 0.46
Earnings Per Share, Basic, Total	$ 0.45	$ 0.88
Diluted earnings per share
Earnings from continuing operations	$ 0.44	$ 0.42
Earnings from discontinued operations	$ 0	$ 0.45
Earnings Per Share, Diluted, Total	$ 0.44	$ 0.87
Dividends per share	$ 0.09	$ 0.08
Weighted average shares outstanding:
Basic weighted-average shares outstanding	46,615	46,687
Diluted weighted-average shares outstanding	47,483	47,571