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Basis of Presentation and Principles of Consolidation - Narrative (Details) $ in Millions | 6 Months Ended |
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Jun. 30, 2016 Segment | Dec. 31, 2015 USD ($)
Travel & Recreation Group |  |
Business Acquisition [Line Items] |  |
Number of business lines | Segment | 4 |
Adjustments for New Accounting Principle, Early Adoption |  |
Business Acquisition [Line Items] |  |
Reclassification of unamortized debt issuance costs from other long-term assets to a reduction in long-term debt | $ |  | $ 1.6

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