Basis and Summary of Significant Accounting Policies Accounts Receivable Net of Allowances (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	$ 94,081	$ 107,383
Customers
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	34,585	30,438
Corporate
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	26,077	32,572
Franchisee
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	$ 33,419	$ 44,373