v3.10.0.1

Basis and Summary of Significant Accounting Policies - Accounts Receivable Net of Allowances (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts Receivable | $ 84,309 | $ 99,887
Customers |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts Receivable | 48,978 | 48,661
Corporate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts Receivable | 12,860 | 23,431
Franchisee |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts Receivable | $ 22,471 | $ 27,795

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