CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at Dec. 31, 2012	$ 1.1	$ 1,670.5	$ (18.3)	$ 557.7	$ (32.1)	$ 2,178.9
Balance (shares) at Dec. 31, 2012	105,400,000
Sale of stock under employee stock purchase plan (in shares)	100,000					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
Other comprehensive (loss) income					28.1	28.1
Balance at Dec. 31, 2013	$ 1.1	1,710.4	(21.6)	923.3	(4.0)	$ 2,609.2
Balance (shares) at Dec. 31, 2013	105,700,000
Sale of stock under employee stock purchase plan (in shares)	100,000					98,000
Sale of stock under employee stock purchase plan		8.4				$ 8.4
Purchase of treasury stock			(7.0)			$ (7.0)
Exercise of stock options (in shares)	100,000					29,750
Exercise of stock options		0.3				$ 0.3
Restricted stock grants (in shares)	800,000
Restricted stock grants		28.2				28.2
Tax benefits realized from prior exercises of employee stock options and restricted stock		3.5				3.5
Net earnings				104.3		104.3
Spin-Off of KLX INC		(2,635.4)			8.0	(2,627.4)
Other comprehensive (loss) income					(109.4)	(109.4)
Balance at Dec. 31, 2014	$ 1.1	(884.6)	(28.6)	1,027.6	(105.4)	$ 10.1
Balance (shares) at Dec. 31, 2014	106,700,000
Sale of stock under employee stock purchase plan (in shares)	100,000					141,000
Sale of stock under employee stock purchase plan		6.8				$ 6.8
Purchase of treasury stock			(155.3)			(155.3)
Cash dividends declared				(80.4)		$ (80.4)
Exercise of stock options (in shares)						0
Restricted stock grants (in shares)	600,000
Restricted stock grants		28.9				$ 28.9
Tax benefits realized from prior exercises of employee stock options and restricted stock		5.0				5.0
Net earnings				285.7		285.7
Spin-Off of KLX INC		(3.9)				(3.9)
Other comprehensive (loss) income					(41.4)	(41.4)
Balance at Dec. 31, 2015	$ 1.1	$ (847.8)	$ (183.9)	$ 1,232.9	$ (146.8)	$ 55.5
Balance (shares) at Dec. 31, 2015	107,400,000