Income Taxes (Details 5) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Summary of Company's tax payments
Tax (refunds) payments	$ (25.8)	$ (16.7)	$ 81.9
Domestic Tax Authority [Member]
Summary of Company's tax payments
Tax (refunds) payments	(38.1)	(7.7)	(0.8)
State and Local Jurisdiction [Member]
Summary of Company's tax payments
Tax (refunds) payments	0.4	(6.8)	2.9
Foreign Tax Authority [Member]
Summary of Company's tax payments
Tax (refunds) payments	$ 11.9	$ (2.2)	$ 79.8