v3.8.0.1

Condensed Consolidating Financial Information - Guarantor Subsidiaries - Condensed Consolidated Statements of Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net (loss) earnings | $ (3,277) | $ (4,967) | $ (21,798) | $ (9,622)
Unrealized gain (loss) on short-term investments | 41 | (494) | 370 | 523
Changes in pension plan asset and benefit obligation | (24) | 1 | (2) | 3
Tax effect of the above-listed adjustments | (8) | 178 | (134) | (229)
Total comprehensive (loss) income | (3,268) | (5,282) | (21,564) | (9,325)
Eliminations [Member] |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net (loss) earnings | (14,850) | (8,372) | (32,093) | (20,462)
Total comprehensive (loss) income | (14,850) | (8,372) | (32,093) | (20,462)
Parent Company Only (issuer) [Member] |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net (loss) earnings | (3,277) | (4,967) | (21,798) | (9,622)
Unrealized gain (loss) on short-term investments | 41 | (494) | 370 | 523
Changes in pension plan asset and benefit obligation | (24) | 1 | (2) | 3
Tax effect of the above-listed adjustments | (8) | 178 | (134) | (229)
Total comprehensive (loss) income | (3,268) | (5,282) | (21,564) | (9,325)
Guarantor Subsidiaries [Member] |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net (loss) earnings | 16,305 | 8,372 | 33,686 | 20,462
Total comprehensive (loss) income | 16,305 | $ 8,372 | 33,686 | $ 20,462
Non-Guarantor Subsidiaries [Member] |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Net (loss) earnings | (1,455) |  | (1,593) |
Total comprehensive (loss) income | $ (1,455) |  | $ (1,593) |

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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e557-108580 + Details
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