Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Derivative Financial Instruments (Details) - USD ($) $ in Millions		12 Months Ended
	Aug. 08, 2011	Dec. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Term of interest rate swap (in years)	4 years
Derivative Asset [Abstract]
Fair Value		$ 12.5	$ 1.8
Derivative Liability [Abstract]
Fair Value		1.2	0.1
Foreign Exchange Forward
Derivative Liability [Abstract]
Notional amount		87.0
Gain on derivative		5.7
Accrued expenses and other current liabilities \| Foreign Exchange Forward
Derivative Liability [Abstract]
Fair Value		1.2	0.1
Derivatives designated as hedging instruments \| Prepaid expenses and other current assets \| Foreign Exchange Forward
Derivative Asset [Abstract]
Fair Value		7.7	1.8
Derivatives designated as hedging instruments \| Other non-current assets \| Foreign Exchange Forward
Derivative Asset [Abstract]
Fair Value		1.3	0.0
Derivatives not designated as hedging instruments \| Prepaid expenses and other current assets \| Foreign Exchange Forward
Derivative Asset [Abstract]
Fair Value		$ 3.5	$ 0.0