Stockholders' Equity Reclassification Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions		3 Months Ended									12 Months Ended
		Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014		Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue		$ 1,427.3	$ 1,545.0	$ 1,695.2	$ 1,695.2	$ 2,156.2	$ 1,976.7	$ 1,985.3		$ 1,824.4	$ 6,362.7	$ 7,942.6	$ 7,126.2
Selling, general and administrative expense											(628.3)	(750.6)	(694.8)
Research and development expense											(135.3)	(123.7)	(112.4)
Income before income taxes											502.6	1,066.3	719.2
Provision for income taxes											(107.8)	(361.0)	(212.6)
Net income		$ 56.2	$ 82.5	$ 108.0	$ 148.1	$ 170.6	$ 170.5	$ 227.7	[1]	$ 136.5	394.8	705.3	506.6
Defined Pension and Other Post-retirement Benefits | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before income taxes											(33.1)	(43.7)	(36.2)
Provision for income taxes											9.0	15.5	15.2
Net income											(24.1)	(28.2)	(21.0)
Settlements and curtailments	[2]										(1.9)	(24.9)	(5.1)
Amortization of actuarial loss	[2]										(31.2)	(18.6)	(31.7)
Amortization of prior service credit	[2]										(0.1)	(0.3)	0.5
Amortization of transition asset	[2]										0.1	0.1	0.1
Foreign Exchange Contract | Hedging | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Revenue											(122.8)	(36.2)	(11.7)
Cost of sales											53.9	34.2	14.8
Selling, general and administrative expense											(1.7)	(0.2)
Research and development expense											0.1
Interest expense											0.1
Income before income taxes											(70.4)	(2.2)	3.1
Provision for income taxes											15.3	3.0	2.1
Net income											$ (55.1)	$ 0.8	$ 5.2

[1] In the second quarter of 2014, we completed the sale of Material Handling Products and recognized a gain on the sale. Refer to Note 5 for additional information.

[2] These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see Note 15 for additional details).