Accounts Receivable Net of Allowances (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	$ 89,821	$ 68,684
Customer
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	26,206	8,275
Corporate
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	34,842	16,730
Franchise
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	$ 28,773	$ 43,679