Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income (loss)	$ 244.9us-gaap_NetIncomeLoss	$ 132.8us-gaap_NetIncomeLoss	$ 119.0us-gaap_NetIncomeLoss
Foreign currency translation adjustment	(10.3)	(6.7)	2.5
Other Comprehensive Income (Loss), Net of Tax	(10.3)	(6.7)	2.5
Comprehensive income (loss)	$ 234.6us-gaap_ComprehensiveIncomeNetOfTax	$ 126.1us-gaap_ComprehensiveIncomeNetOfTax	$ 121.5us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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