Fair Value Measurements (Details) (Fair value measured on recurring basis, Level 2, USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Fair value of assets and liabilities
Derivative assets	$ 6.6	$ 0.6
Derivative liabilities	2.7	10.4
Interest Rate Swap Agreements
Fair value of assets and liabilities
Derivative liabilities	1.0
Foreign Currency Forward Exchange Contracts
Fair value of assets and liabilities
Derivative assets	6.6
Derivative liabilities	1.7
Book value
Fair value of assets and liabilities
Senior secured facility term loan	$ 85.0

Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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Derivative instrument obligations meeting the definition of a liability which the Company is a party to as of the balance sheet date.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents notes payable as of the balance sheet date.

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