Employee Benefit Plans - Funded Status of Defined Benefit Plans (Detail) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Noncurrent pension asset |
$ 1,303
|
|
|
| Defined Benefit Pension Plans |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Balance at beginning of the year |
61,225
|
$ 54,658
|
|
| Interest cost |
2,376
|
2,538
|
$ 2,161
|
| Participant contributions |
8
|
9
|
|
| Actuarial losses (gains) |
(2,579)
|
8,585
|
|
| Change in currency exchange rates |
(471)
|
(669)
|
|
| Benefits paid |
(3,473)
|
(3,896)
|
|
| Benefit obligations at end of the year |
57,086
|
61,225
|
54,658
|
| Fair value at beginning of the year |
48,816
|
49,402
|
|
| Actual return on plan assets |
(1,572)
|
2,404
|
|
| Employer contributions |
800
|
1,553
|
|
| Change in currency exchange rates |
(512)
|
(656)
|
|
| Fair value of plan assets at end of year |
44,067
|
48,816
|
49,402
|
| Funded status |
(13,019)
|
(12,409)
|
|
| Noncurrent pension asset |
1,303
|
|
|
| Current |
(167)
|
(167)
|
|
| Noncurrent |
(14,155)
|
(12,242)
|
|
| Amounts recognized in the Consolidated Balance Sheets |
(13,019)
|
(12,409)
|
|
| Accumulated other comprehensive loss - actuarial losses, net |
34,139
|
33,135
|
|
| Total |
21,120
|
20,726
|
|
| Accumulated benefit obligations (ABO) |
57,086
|
61,225
|
|
| OPEB |
|
|
|
| Defined Benefit Plan Disclosure [Line Items] |
|
|
|
| Balance at beginning of the year |
3,882
|
3,864
|
|
| Interest cost |
108
|
114
|
105
|
| Actuarial losses (gains) |
(336)
|
385
|
|
| Benefits paid |
(416)
|
(481)
|
|
| Benefit obligations at end of the year |
3,238
|
3,882
|
$ 3,864
|
| Funded status |
(3,238)
|
(3,882)
|
|
| Current |
(465)
|
(541)
|
|
| Noncurrent |
(2,773)
|
(3,341)
|
|
| Amounts recognized in the Consolidated Balance Sheets |
(3,238)
|
(3,882)
|
|
| Accumulated other comprehensive loss - actuarial losses, net |
790
|
1,025
|
|
| Prior service credit |
(541)
|
(1,162)
|
|
| Accumulated other comprehensive income (loss) |
$ 249
|
$ (137)
|
|