Recently Issued Accounting Standards (Details)	3 Months Ended
	Mar. 31, 2017
ASU 2016-16 | Retained Earnings
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted	75.0
ASU 2016-16 | Other Assets
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted	67.2
ASU 2016-16 | Prepaid Expenses and Other Current Assets
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted	7.8
ASU 2016-15
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted	21.2
ASU 2016-09 | Retained Earnings
New Accounting Pronouncement or Change in Accounting Principle, Description of Prior-period Information Retrospectively Adjusted	2.9