Consolidated Statements of Changes in Stockholders Equity - USD ($) $ in Millions	Total	Common Stock	Common Stock Held in Treasury and Employee Benefit Trust	Capital in Excess of Par Value of Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non- controlling Interest
Beginning balance at Dec. 31, 2012	$ 1,853.2	$ 2.9	$ (1,110.4)	$ 695.7	$ 2,644.7	$ (396.0)	$ 16.3
Net income	506.6				501.4		5.2
Other comprehensive income (loss)	55.3					55.3
Issuance of common stock	0.6			0.6
Excess tax benefits on stock-based payment arrangements	8.0			8.0
Taxes withheld on issuance of stock-based awards	(17.5)			(17.5)
Purchases of treasury stock (Note 13)	(116.3)		(116.3)
Reissuances of treasury stock (Note 13)			22.3	(22.3)
Net sales (purchases) of common stock for employee benefit trust	1.1		0.1	1.0
Stock-based compensation (Note 16)	47.7			47.7
Other	(2.4)						(2.4)
Ending balance at Dec. 31, 2013	2,336.3	2.9	(1,204.3)	713.2	3,146.1	(340.7)	19.1
Net income	705.3				699.9		5.4
Other comprehensive income (loss)	(343.0)					(343.0)
Issuance of common stock	0.2			0.2
Excess tax benefits on stock-based payment arrangements	2.3			2.3
Taxes withheld on issuance of stock-based awards	(13.0)			(13.0)
Purchases of treasury stock (Note 13)	(247.6)		(247.6)
Reissuances of treasury stock (Note 13)			13.1	(13.1)
Net sales (purchases) of common stock for employee benefit trust	0.2		(0.3)	0.5
Stock-based compensation (Note 16)	44.9			44.9
Purchase of noncontrolling interest	(3.0)			(3.1)			0.1
Other	(4.9)				(1.7)		(3.2)
Ending balance at Dec. 31, 2014	2,477.7	2.9	(1,439.1)	731.9	3,844.3	(683.7)	21.4
Net income	394.8				393.1		1.7
Other comprehensive income (loss)	(189.0)					(189.0)
Excess tax benefits on stock-based payment arrangements	0.2			0.2
Taxes withheld on issuance of stock-based awards	(8.8)			(8.8)
Purchases of treasury stock (Note 13)	(190.4)		(186.2)	(4.2)
Reissuances of treasury stock (Note 13)			9.5	(9.5)
Net sales (purchases) of common stock for employee benefit trust	1.0		1.0
Stock-based compensation (Note 16)	49.4			49.4
Other	(4.0)						(4.0)
Ending balance at Dec. 31, 2015	$ 2,530.9	$ 2.9	$ (1,614.8)	$ 759.0	$ 4,237.4	$ (872.7)	$ 19.1