Accounts Receivable Net of Allowances (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	$ 60,863	$ 68,684
Customer
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	5,332	8,275
Corporate
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	14,673	16,730
Franchise
Financing Receivable, Impaired [Line Items]
Accounts receivable, net of allowances	$ 40,858	$ 43,679