Fair Value Measurements and Risk - Financial Asset and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Assets
Currency derivatives	$ 0.7	$ 1.0
Commodity derivatives		0.6
Total Assets	0.7	1.6
Liabilities
Interest rate derivatives	11.4	7.9
Commodity derivatives	0.1	0.1
Currency derivatives	0.2	0.5
Total Liabilities	11.7	8.5
Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)
Assets
Currency derivatives	0.0	0.0
Commodity derivatives		0.0
Total Assets	0.0	0.0
Liabilities
Interest rate derivatives	0.0	0.0
Commodity derivatives	0.0	0.0
Currency derivatives	0.0	0.0
Total Liabilities	0.0	0.0
Significant Other Observable Inputs (Level 2)
Assets
Currency derivatives	0.7	1.0
Commodity derivatives		0.6
Total Assets	0.7	1.6
Liabilities
Interest rate derivatives	11.4	7.9
Commodity derivatives	0.1	0.1
Currency derivatives	0.2	0.5
Total Liabilities	11.7	8.5
Significant Unobservable Inputs (Level 3)
Assets
Currency derivatives	0.0	0.0
Commodity derivatives		0.0
Total Assets	0.0	0.0
Liabilities
Interest rate derivatives	0.0	0.0
Commodity derivatives	0.0	0.0
Currency derivatives	0.0	0.0
Total Liabilities	$ 0.0	$ 0.0