Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net Income (loss)	$ 10.3	$ (34.5)
Other comprehensive income (loss)
Foreign currency translation adjustments	6.1	(7.8)
Unrealized gain on marketable securities	0.0	0.0
Defined benefit pension plans	0.1	1.6
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Foreign Exchange Rate Changes, Net of Tax	(0.8)	0.5
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax	0.8	1.0
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax	(0.1)	(0.1)
Other	0.0	0.1
Other comprehensive income (loss), net of tax	6.2	(6.1)
Comprehensive income (loss)	$ 16.5	$ (40.6)