Annual report pursuant to Section 13 and 15(d)

Derivative Financial Instruments - Summary of Derivative Assets and Liabilities (Details)

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Derivative Financial Instruments - Summary of Derivative Assets and Liabilities (Details) - Foreign exchange contracts - Designated as hedging instruments - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Prepaid expenses and other current assets    
Derivative Assets    
Fair Value $ 0.8 $ 3.2
Notional 31.7 29.7
Derivative Liabilities    
Fair Value 0.0 0.0
Notional 0.0 0.0
Accounts payable and accrued expenses    
Derivative Assets    
Fair Value 0.0 0.0
Notional 0.0 0.0
Derivative Liabilities    
Fair Value 0.0 0.3
Notional $ 1.5 $ 5.2