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Business Acquisitions Vital River, Additional Information (Details) $ in Thousands | Jan. 04, 2013 USD ($)
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Business Acquisition [Line Items] |
Noncontrolling interest, ownership percentage by parent | 75.00%
Redeemable noncontrolling interest percentage to acquire | 25.00%
Vital River |
Business Acquisition [Line Items] |
Fair value of net assets acquired | $ 24,219
Cash acquired from acquisition | $ 2,700

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