Accumulated Other Comprehensive Loss (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Accumulated Other Comprehensive Income (Loss), Net of Tax			$ (71.0)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax			(10.9)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			1.1
Other Comprehensive Income (Loss), Net of Tax			(9.8)
Ending Accumulated Other Comprehensive Income (Loss), Net of Tax	(80.8)		(80.8)
Cash flow hedge before reclassification			0.6
Cash flow hedge reclassification, net of tax			(0.5)
Change in unrealized (losses) gains on cash flow hedges, net of tax	0.5	(0.4)	0.1	0.1
Cash flow hedge loss, net of tax	(0.1)		(0.1)		(0.2)
Pension before reclassification			0
Pension OPEB Reclassification, Net of Tax			1.6
Amortization of pension and post retirement benefit plans' prior service costs and net actuarial losses, net of tax	(0.7)	(2.0)	(1.6)	(6.3)
Pension and post retirement benefit plan adjustment, net of tax	(65.4)		(65.4)		(67.0)
Available For Sale OCI Before Reclassification			0
Available For Sale Reclassification, Net of Tax			0
Change in unrealized gains on investments, net of tax	0	0	0	(0.3)
Unrealized gain on investment, net of tax	0.4		0.4		0.4
Foreign currency translation adjustments	(24.2)	10.4	(11.5)	(11.4)
CTA Period OCI			(11.5)
Cumulative translation adjustment	(15.7)		(15.7)		(4.2)
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
Cost of good sold	(599.1)	(544.6)	(1,676.9)	(1,577.7)
Interest expense, net	(7.5)	(7.4)	(22.0)	(22.0)
Other (expense) income, net	(0.5)	(0.9)	(2.0)	(2.1)
Income before income taxes	134.8	143.3	367.3	357.3
Provision for income taxes	(44.3)	(46.1)	(120.7)	(110.3)
Total (losses) gains reclassified into earnings			1.1
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(0.6)	(1.9)	(1.1)	(6.1)
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
Total (losses) gains reclassified into earnings	(0.6)	(1.9)	(1.1)	(6.1)
Accumulated Net Gain Loss From Designated Or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0.1	0.1	0.5	0.2
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
Cost of good sold	0.1	0.1	0.7	0.2
Interest expense, net			0	0
Income before income taxes	0.1	0.1	0.7	0.2
Provision for income taxes	0	0	(0.2)	0
Total (losses) gains reclassified into earnings	0.1	0.1	0.5	0.2
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(0.7)	(2.0)	(1.6)	(6.3)
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax [Abstract]
Pension Gain Loss Amort Before Tax	(1.1)	(3.2)	(2.8)	(10.3)
Pension Service Cost Amort Before Tax	0.3	0.2	0.6	0.6
Income before income taxes	(0.8)	(3.0)	(2.2)	(9.7)
Provision for income taxes	0.1	1.0	0.6	3.4
Total (losses) gains reclassified into earnings	$ (0.7)	$ (2.0)	$ (1.6)	$ (6.3)