Changes in Components of Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Changes in components of other comprehensive income [Line Items]
Pension and OPEB liability adjustments, pre-tax	$ 1.3	$ 1.4	$ 2.5	$ 3.3
Pension and OPEB liability adjustments, Tax	(0.5)	(0.4)	(0.9)	(1.2)
Pension and OPEB liability adjustments, Net of Tax	0.8	1.0	1.6	2.1
Unrealized gain (loss) on financial instruments, pre-tax	3.0	(6.1)	6.8	(4.4)
Unrealized gain (loss) on financial instruments, Tax	0	(0.2)	0.5	(0.8)
Unrealized gain (loss) on financial instruments, Net of Tax	3.0	(6.3)	7.3	(5.2)
Unrealized foreign currency translation adjustments, pre-tax	(0.7)	(5.9)	(2.4)	(17.1)
Unrealized foreign currency translation adjustments, Tax	0	0	0	0
Unrealized foreign currency translation adjustments, Net of Tax	(0.7)	(5.9)	(2.4)	(17.1)
Total other comprehensive income (loss), pre-tax	3.6	(10.6)	6.9	(18.2)
Total other comprehensive income (loss), Tax	(0.5)	(0.6)	(0.4)	(2.0)
Other Comprehensive Income (Loss)	3.1	(11.2)	6.5	(20.2)
Accumulated Other Comprehensive Income (Loss) [Member]
Changes in components of other comprehensive income [Line Items]
Other Comprehensive Income (Loss)			$ 6.5	$ (20.2)