Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income (loss)	$ (37.3)	$ (35.4)	$ (48.6)	$ (58.3)
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments	(5.9)	4.9	(1.2)	4.3
Unrealized gain (loss) on derivative instruments	0	0.8	(0.2)	0.6
Unrealized gain (loss) on marketable securities	0	0.4	0.2	2.6
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	1.3	0.7	2.0	1.0
Other comprehensive income (loss), net of tax	(4.6)	6.8	0.8	8.5
Net (income) loss attributable to noncontrolling interest	0	(0.1)	0	(0.2)
Foreign currency translation adjustments attributed to non-controlling interest	0	(0.6)	0	(1.0)
Comprehensive income (loss)	$ (41.9)	$ (29.3)	$ (47.8)	$ (51.0)