Condensed Consolidated Statements of Comprehensive Loss (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Consolidated Statements of Comprehensive Loss [Abstract]
Net loss	$ (17.5)	$ (21.1)
Net unrealized (losses) gains on derivative financial instruments:
Net holding (losses) gains arising during the period	(0.9)	2.8
Reclassification adjustment for net realized gains included in net loss	(0.3)	(1.3)
Total net unrealized (losses) gains on derivative financial instruments	(1.2)	1.5
Adjustments for defined benefit plans	(0.1)	0.4
Unrealized foreign currency translation losses	(3.5)	(4.2)
Total other comprehensive loss, net of tax	(4.8)	(2.3)
Comprehensive loss	$ (22.3)	$ (23.4)