Derivative Instruments and Hedging Activities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Foreign Exchange Contract [Member]
Derivative instrument, terms	As terms of our forward foreign exchange contracts are generally less than 90 days, they are included in other current assets and other current liabilities as appropriate.
Foreign Exchange Contract [Member] | Fair Value Hedge [Member] | Designated as Hedging Instrument [Member]
Derivative instrument, fair value, net	$ (1.1)	$ (0.1)
Foreign Exchange Contract [Member] | Foreign Exchange Risk of Intercompany Borrowing and Investment Activities [Member] | Fair Value Hedge [Member] | Designated as Hedging Instrument [Member]
Derivative instrument, notional amount	99.0	22.1
Foreign Exchange Contract [Member] | Foreign Exchange Risk of Revenue and Expenses Denominated in Different Currencies [Member] | Fair Value Hedge [Member] | Designated as Hedging Instrument [Member]
Derivative instrument, notional amount	94.0	85.9
Interest Rate Swap [Member]
Derivative instrument, notional amount	$ 1,250.0	$ 1,750.0