Condensed Consolidated Statements of Cash Flows (Parenthetical) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($)
Changes in accounting treatment, reclassification of cash and cash equivalent to other receivables	$ 2.8
Changes in accounting treatment, decrease in operating cash flow from reclassification of cash and cash equivalent	(3.9)
Early Adoption Effect [Member] | Accounting Standards Update 2016-09 [Member] | Restatement Adjustment [Member]
Effect of early adoption of ASU, Net increase in operating cash flow	6.8
Effect of early adoption of ASU, Net decrease in financing cash flow	$ (6.8)