Fair Value (Fair Value Assets and Liabilities Measured on a Nonrecurring Basis) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Property, plant and equipment, net	$ 711.3	$ 766.9
VENEZUELA
Property, plant and equipment, net			$ 15.7
Assets, Fair Value Disclosure, Nonrecurring			15.7
VENEZUELA | Level 1 [Member]
Property, plant and equipment, net			0.0
Assets, Fair Value Disclosure, Nonrecurring			0.0
VENEZUELA | Level 2 [Member]
Property, plant and equipment, net			0.0
Assets, Fair Value Disclosure, Nonrecurring			0.0
VENEZUELA | Fair Value, Inputs, Level 3 [Member]
Property, plant and equipment, net			15.7
Assets, Fair Value Disclosure, Nonrecurring			$ 15.7