Receivables - Schedule of Activity in Allowance for Doubtful Accounts (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Allowance For Doubtful Accounts Receivable Rollforward | |||
| Allowance for doubtful accounts receivables, Beginning balance | $ 12,882 | $ 23,540 | $ 28,777 |
| Bad debt expense, net of recoveries | 10,055 | 3,125 | 12,246 |
| Charge-offs, foreign currency translation and other adjustments | (6,551) | (13,783) | (17,483) |
| Allowance for doubtful accounts receivables, Ending balance | $ 16,386 | $ 12,882 | $ 23,540 |