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Segment Information - Schedule of Reportable Segment Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Segment Reporting Information [Line Items] |  |  |  |
Sales to external customers | $ 287,011 | $ 282,493 | $ 543,719 | $ 547,538
Intercompany sales | 0 | 0 | 0 | 0
Net income (loss): |  |  |  |
Continuing operations | 23,722 | 22,132 | 33,038 | 35,654
Discontinued operations | 576 | 356 | 942 | 860
North American Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Sales to external customers | 156,193 | 138,782 | 289,757 | 268,303
Intercompany sales | 35,022 | 30,696 | 70,761 | 58,593
Net income (loss): |  |  |  |
Continuing operations | 22,253 | 19,407 | 36,684 | 33,667
Discontinued operations | 0 | 0 | 0 | 0
European Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Sales to external customers | 75,317 | 78,883 | 141,330 | 153,821
Intercompany sales | 56,008 | 28,238 | 102,117 | 57,096
Net income (loss): |  |  |  |
Continuing operations | 6,596 | 6,780 | 2,159 | 10,232
Discontinued operations | 0 | 0 | 0 | 0
International Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Sales to external customers | 55,501 | 64,828 | 112,632 | 125,414
Intercompany sales | 5,276 | 4,789 | 10,714 | 8,638
Net income (loss): |  |  |  |
Continuing operations | 2,989 | 3,172 | 6,651 | 7,763
Discontinued operations | 576 | 356 | 942 | 860
Corporate Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Sales to external customers | 0 | 0 | 0 | 0
Intercompany sales | 0 | 0 | 0 | 0
Net income (loss): |  |  |  |
Continuing operations | (7,655) | (7,473) | (12,492) | (15,359)
Discontinued operations | 0 | 0 | 0 | 0
Segment Reconciling Items |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Sales to external customers | 0 | 0 | 0 | 0
Intercompany sales | (96,306) | (63,723) | (183,592) | (124,327)
Net income (loss): |  |  |  |
Continuing operations | (461) | 246 | 36 | (649)
Discontinued operations | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.13) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4613673-111683 + Details
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