XML 62 R51.htm IDEA: XBRL DOCUMENT v3.5.0.2
Accounts Receivable, Net of Allowance (Detail) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Customer receivables $ 217,071 $ 207,645
Unearned finance income (20,323) (20,078)
Allowance for contract cancellations (27,396) (23,985)
Accounts receivable, net of allowance 169,352 163,582
Less: current portion, net of allowance 74,231 68,415
Long-term portion, net of allowance 95,121 95,167
Accounts receivable, net of allowance $ 169,352 $ 163,582