Debt and Financing Customer Financing Arrangements (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Debt Instrument [Line Items]
Sale of receivable	$ 9.2	$ 11.8	$ 14.1	$ 58.9
Proceeds from sale and collection of receivables	9.1	$ 25.5	10.8	$ 85.5
Receivables from sale of receivables	$ 4.5		$ 4.5		$ 1.2
Minimum [Member]
Debt Instrument [Line Items]
Number of days due from receivable			30 days
Maximum [Member]
Debt Instrument [Line Items]
Number of days due from receivable			90 days