Contingencies (Details) - Apr. 21, 2012 - TransWeb [Member] $ in Thousands	USD ($) Juror
Business Acquisition, Purchase Price Withheld Disclosures [Line Items]
Loss Contingency, Number of Jury Members	6
Gain contingency not yet recognized \| $	$ 26,147

Business Acquisition, Purchase Price Withheld Disclosures [Line Items]

No definition available.

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