v3.3.0.814
Reserves for Credit Losses - Related to Accounts Receivable (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Allowance for Doubtful Accounts Receivable [Roll Forward]    
Balance, beginning of period $ 13,919 $ 10,396
Provision for credit losses 14,532 23,154
Charge-offs (20,667) (25,776)
Recoveries of amounts previously charged-off 3,965 5,730
Currency translation (214) (58)
Balance, end of period $ 11,535 $ 13,446