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Segment Information - Continuing Operations by Reportable Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 125,362 | $ 123,157 | $ 253,429 | $ 249,961
Income (loss) from operations | (4,514) | (1,588) | (7,934) | (610)
Interest Expense | (3,488) | (3,573) | (6,927) | (5,597)
Gain (Loss) on Derivatives and Other Non-operating Income (Expense) Net | 67 | (1,680) | 3,063 | (7,698)
Income (Loss) from operations before income taxes and share of income from joint venture | (7,935) | (6,841) | (11,798) | (13,905)
United States and Puerto Rico |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 76,294 | 74,708 | 154,576 | 151,905
Operating Segments | Mobile Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 73,350 | 73,886 | 149,420 | 151,662
Income (loss) from operations | 1,729 | 2,509 | 3,698 | 8,599
Operating Segments | Mobile Solutions | United States and Puerto Rico |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 35,954 | 35,284 | 73,764 | 72,722
Operating Segments | Power Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 52,049 | 49,271 | 104,060 | 98,346
Income (loss) from operations | 1,430 | 2,875 | 1,794 | 5,307
Operating Segments | Power Solutions | United States and Puerto Rico |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 40,377 | 39,424 | 80,863 | 79,230
Intersegment Eliminations [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | (37) | 0 | (51) | (47)
Income (loss) from operations | (7,673) | $ (6,972) | $ (13,426) | $ (14,516)
Intersegment Eliminations [Member] | United States and Puerto Rico |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ (37) |  |  |

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- Definition Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 + Details
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