Accounts Receivable Securitization - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015
Accounts Receivable Securitization
Index rate			LIBOR
Fixed spread	1.25%		1.25%
Period for which the entity will be able to comply with the financial covenants			12 months
Fair value of deferred purchase price notes	$ 102.5	$ 50.9	$ 102.5
Trade accounts receivable balance sold	165.1	$ 172.8
Maximum
Accounts Receivable Securitization
Capacity of securitization program	$ 185.0		$ 185.0
Average collection cycle for accounts receivable (in days)			60 days