Condensed Consolidated Statements of Comprehensive Loss (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net loss	$ (34.9)	$ (6.3)	$ (61.1)	$ (30.5)
Net unrealized (losses) gains on derivative financial instruments:
Net holding gains (losses) arising during the period	(0.5)	(0.6)	4.1	0.3
Reclassification adjustment for net realized gains included in net loss	(2.0)	(0.5)	(5.2)	(1.2)
Total net unrealized (losses) gains on derivative financial instruments	(2.5)	(1.1)	(1.1)	(0.9)
Adjustments for defined benefit plans	5.3	2.5	9.8	3.0
Unrealized foreign currency translation gains (losses)	5.3	3.1	(5.6)	1.3
Total other comprehensive loss, net of tax	8.1	4.5	3.1	3.4
Comprehensive loss	$ (26.8)	$ (1.8)	$ (58.0)	$ (27.1)