Employee Benefit Plans - Funded Status of Defined Benefit Plans (Detail) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Noncurrent pension asset |
$ 1,037
|
$ 1,303
|
|
| Defined Benefit Pension Plans |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Balance at beginning of the year |
57,086
|
61,225
|
|
| Interest cost |
2,302
|
2,376
|
$ 2,538
|
| Participant contributions |
6
|
8
|
|
| Actuarial losses (gains) |
292
|
(2,579)
|
|
| Change in currency exchange rates |
(1,804)
|
(471)
|
|
| Benefits paid |
(3,621)
|
(3,473)
|
|
| Benefit obligations at end of the year |
54,261
|
57,086
|
61,225
|
| Fair value at beginning of the year |
44,067
|
48,816
|
|
| Actual return on plan assets |
3,278
|
(1,572)
|
|
| Employer contributions |
565
|
800
|
|
| Change in currency exchange rates |
(2,027)
|
(512)
|
|
| Fair value of plan assets at end of year |
42,268
|
44,067
|
48,816
|
| Funded status |
(11,993)
|
(13,019)
|
|
| Noncurrent pension asset |
1,037
|
1,303
|
|
| Current |
(156)
|
(167)
|
|
| Noncurrent |
(12,874)
|
(14,155)
|
|
| Amounts recognized in the Consolidated Balance Sheets |
(11,993)
|
(13,019)
|
|
| Accumulated other comprehensive loss - actuarial losses, net |
32,514
|
34,137
|
|
| Total |
20,521
|
21,118
|
|
| Accumulated benefit obligations (ABO) |
54,261
|
57,086
|
|
| OPEB |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Balance at beginning of the year |
3,238
|
3,882
|
|
| Interest cost |
96
|
108
|
114
|
| Actuarial losses (gains) |
(263)
|
(336)
|
|
| Benefits paid |
(327)
|
(416)
|
|
| Benefit obligations at end of the year |
2,744
|
3,238
|
$ 3,882
|
| Funded status |
(2,744)
|
(3,238)
|
|
| Current |
(434)
|
(465)
|
|
| Noncurrent |
(2,310)
|
(2,773)
|
|
| Amounts recognized in the Consolidated Balance Sheets |
(2,744)
|
(3,238)
|
|
| Accumulated other comprehensive loss - actuarial losses, net |
679
|
790
|
|
| Prior service credit |
|
(541)
|
|
| Accumulated other comprehensive income (loss) |
$ 679
|
$ 249
|
|