Investments in Unconsolidated Affiliates Hamer (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Jun. 30, 2015	Mar. 31, 2015
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Realized Gain (Loss) on Disposal		$ 20.0
Equity in earnings of unconsolidated affiliates, net of tax	$ 0.0		$ 7.3
Hamer, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity in earnings of unconsolidated affiliates, net of tax			$ 0.5