Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (32.7)	$ (37.5)	$ 22.6
Paid in capital	0.3	0	0
Other comprehensive (loss) income, before tax:
Foreign currency translation adjustments	(16.5)	(22.6)	(12.6)
Pension and postretirement benefits:
Prior service credit	(0.2)	(2.4)	(4.1)
Net actuarial loss (gain)	(11.9)	2.2	(5.3)
Loss (gain) on curtailments and settlements	0	3.9	(40.5)
Cash flow hedges:
Unrealized (loss) gain on cash flow hedges	0.1	(0.9)	2.3
Reclassification adjustment for losses (gains) on cash flow hedges included in net (loss) income	(0.2)	0.4	13.8
Other comprehensive (loss), before tax	(28.7)	(19.4)	(46.4)
Tax attributes of items in other comprehensive (loss) income:
Foreign currency translation adjustments, tax impact	0	0	0
Pension and postretirement benefits:
Prior service credit, tax impact	0	(4.7)	0.2
Net actuarial loss, tax impact	0.1	4.3	0.2
Loss on curtailments and settlements, tax impact	0	7.7	0
Cash flow hedges:
Unrealized gain (loss) on cash flow hedges, tax impact	1.0	2.7	(0.6)
Reclassification adjustment for losses (gains) on cash flow hedges included in net (loss) income, tax impact	0	(1.2)	(3.5)
Other comprehensive income (loss), tax impact	1.1	8.8	(3.7)
Total other comprehensive (loss), net of tax	(27.6)	(10.6)	(50.1)
Total other comprehensive loss	$ (60.0)	$ (48.1)	$ (27.5)