Basis and Summary of Significant Accounting Policies - Accounts Receivable Net of Allowances (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net of allowances	$ 86,784	$ 113,439
Customers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net of allowances	33,022	35,153
Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net of allowances	23,054	26,175
Franchisee
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net of allowances	$ 30,708	$ 52,111