Basis and Summary of Significant Accounting Policies - Accounts Receivable Net of Allowances (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net of allowances	$ 93,709	$ 95,777
Customers
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net of allowances	33,026	36,227
Corporate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net of allowances	27,596	26,375
Franchisee
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net of allowances	$ 33,087	$ 33,175