CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Millions, except Share data	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning Balance at Dec. 31, 2010	$ 1,604.0	$ 1.0	$ 1,562.8	$ 96.2	$ (56.0)
Beginning Balance (shares) at Dec. 31, 2010		103,500,000
Sale of stock under employee stock purchase plan (in shares)	114,000	114,000
Sale of stock under employee stock purchase plan	4.5		4.5
Purchase of treasury stock	(6.0)		(6.0)
Exercise of stock options (in shares)	26,568	100,000
Exercise of stock options	0.1		0.1
Restricted stock grants (in shares)		700,000
Restricted stock grants	25.3		25.3
Tax benefits realized from prior exercises of employee stock options and restricted stock	30.8		30.8
Net earnings	227.8			227.8
Foreign currency translation adjustment and other	(13.9)				(13.9)
Ending Balance at Dec. 31, 2011	1,872.6	1.0	1,617.5	324.0	(69.9)
Ending Balance (shares) at Dec. 31, 2011		104,400,000
Sale of stock under employee stock purchase plan (in shares)	136,000	136,000
Sale of stock under employee stock purchase plan	6.3		6.3
Purchase of treasury stock	(2.6)		(2.6)
Exercise of stock options (in shares)	45,040	100,000
Exercise of stock options	0.3		0.3
Restricted stock grants (in shares)		800,000
Restricted stock grants	23.8	0.1	23.7
Tax benefits realized from prior exercises of employee stock options and restricted stock	7.0		7.0
Net earnings	233.7			233.7
Foreign currency translation adjustment and other	37.8				37.8
Ending Balance at Dec. 31, 2012	2,178.9	1.1	1,652.2	557.7	(32.1)
Ending Balance (shares) at Dec. 31, 2012		105,400,000
Sale of stock under employee stock purchase plan (in shares)	101,000	101,000
Sale of stock under employee stock purchase plan	7.3		7.3
Purchase of treasury stock	(3.3)		(3.3)
Exercise of stock options (in shares)	19,525
Exercise of stock options	0.2		0.2
Restricted stock grants (in shares)		200,000
Restricted stock grants	23.2		23.2
Tax benefits realized from prior exercises of employee stock options and restricted stock	9.2		9.2
Net earnings	365.6			365.6
Foreign currency translation adjustment and other	28.1				28.1
Ending Balance at Dec. 31, 2013	$ 2,609.2	$ 1.1	$ 1,688.8	$ 923.3	$ (4.0)
Ending Balance (shares) at Dec. 31, 2013		105,700,000