Other Comprehensive Income (Loss) (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2013 country	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, before Reclassification Adjustments, Net of Tax		$ (23.6)	$ 5.5	$ (11.3)
Other Comprehensive Income (Loss), Before Reclassification Adjustment from AOCI on Derivatives, Net of Tax	1.2		(0.3)	(3.9)
Other Comprehensive Income Loss before Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax	0.1
Other Comprehensive Income (loss) Before Reclassifications, Net of Tax	(18.5)		6.6	(10.1)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		5.2	28.8
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, Net of Tax		0	0	0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax		(1.4)	2.7	1.8
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax		0
Other Comprehensive Income Loss Reclassification Adjustment Net Of Tax		(0.6)	3.6	2.9
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent		(4.6)	(2.3)	(6.2)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent		(23.6)	5.5	(11.3)
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax		(0.8)	(0.8)	(0.8)	(0.8)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent		0.1	0	0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent		(0.2)	2.4	(2.1)
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During period, Net of Tax, Portion Attributable to Parent		0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent		(19.1)	10.2	(7.2)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax		6.6	2.0	(0.3)	(6.5)
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax			28.8	23.3	34.6
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax		(0.5)	(0.3)	(2.7)	(0.6)
Accumulated Other Comprehensive Income, Net of Tax		10.6	29.7	19.5	26.7
Defined benefit pension and other postretirement plans:
Net prior service cost (net of tax)		(0.3)	1.3	1.8
Net deferred actuarial loss (net of tax)		(6.3)	(3.3)	(1.5)
Accumulated Other Comprehensive Income (Loss), Net of Tax		10.6	29.7
Number of countries in which the entity has operations		40
Accumulated Defined Benefit Plans Adjustment [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax		3.8	1.4	5.1
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax		$ 0.8	$ 0.9	$ 1.1