v3.5.0.2

Condensed Consolidating Financial Information - Guarantor Subsidiaries - Condensed Consolidated Statements of Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Net earnings (loss) |  | $ 4,277 | $ 6,454 | $ (4,655) | $ 16,817
Unrealized loss on short-term investments |  | 210 | (158) | 1,017 | (19)
Changes in pension plan assets and benefit obligations |  | 1 |  | 2 |
Unrealized realized gain |  |  |  |  | 24
Tax effect |  | (75) | 63 | (407) | 9
Total comprehensive income (loss) |  | 4,413 | 6,359 | (4,043) | 16,831
Parent Company Only (issuer) [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Net earnings (loss) |  | 4,277 | 6,454 | (4,655) | 16,817
Unrealized loss on short-term investments |  | 210 | (158) | 1,017 | (19)
Changes in pension plan assets and benefit obligations |  | 1 |  | 2 |
Unrealized realized gain |  |  |  |  | 24
Tax effect |  | (75) | 63 | (407) | 9
Total comprehensive income (loss) |  | 4,413 | 6,359 | (4,043) | 16,831
Guarantor Subsidiaries [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Net earnings (loss) | [1] | 7,035 | 9,230 | 12,090 | 15,362
Total comprehensive income (loss) | [1] | 7,035 | 9,230 | 12,090 | 15,362
Eliminations [Member] |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |
Net earnings (loss) |  | (7,035) | (9,230) | (12,090) | (15,362)
Total comprehensive income (loss) |  | $ (7,035) | $ (9,230) | $ (12,090) | $ (15,362)
[1] | Foreign subsidiaries represent minor subsidiaries and are included in the guarantor subsidiaries' amounts.

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