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Integration, Restructuring and Other Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Integration, Restructuring and Other Charges
Legal fees	$ 1,628us-gaap_LegalFees	$ 2,449us-gaap_LegalFees
Professional fees	12us-gaap_ProfessionalFees	369us-gaap_ProfessionalFees
Severance and employee related costs	220us-gaap_SeveranceCosts1	162us-gaap_SeveranceCosts1
Total	$ 1,860	$ 2,980

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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