Fair Value Fair Value Nonrecurring Basis (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Held-for-sale, Not Part of Disposal Group, Other		$ 5.8	$ 8.0
Impairment of Long-Lived Assets to be Disposed of		3.0	(1.2)
Assets Held-for-sale, Long Lived, Fair Value Disclosure		2.8	6.8
Long Lived Assets Held and Used Carrying Amount		0.8	112.6
Impairment of Long-Lived Assets Held-for-use		0.3	(97.7)
Long Lived Assets Held and Used Fair Value		0.5	14.9
Repair Business [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Held-for-sale, Not Part of Disposal Group, Other	$ 5.8	5.8
Impairment of Long-Lived Assets to be Disposed of	(3.0)	(3.0)
Assets Held-for-sale, Long Lived, Fair Value Disclosure	$ 2.8	2.8
Property, Plant and Equipment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Assets Held and Used Carrying Amount		0.8	1.5
Impairment of Long-Lived Assets Held-for-use		(0.3)	(1.5)
Long Lived Assets Held and Used Fair Value		$ 0.5	$ 0.0