Equity and Cost Method Businesses - Equity Method Businesses Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2014 USD ($)
Schedule of Equity Method Investments [Line Items]
Revenue	$ 8.8
Net income (loss)	(1.1)
Equity income (loss) excluding impairments and amortization of intangible assets	(0.8)
Amortization of intangible assets	$ 0.1
CIML
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	38.00%