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Goodwill and Intangible Assets - Goodwill / Tradename (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Goodwill [Line Items] |  |  |
Goodwill, beginning balance | $ 152,020 | $ 152,156 |
Goodwill, foreign currency translation | 693 | (136) |
Goodwill, ending balance | 161,820 | 152,020 | $ 152,156
Goodwill, acquisitions | 9,107 |  |
Tradename, beginning balance | 14,291 | 18,258 |
Tradename, transfers to finite life classification | (700) | (3,904) |
Tradename, impairment charges | (850) | 0 | 0
Tradename, foreign currency adjustments | 196 | (63) |
Tradename, ending balance | 12,937 | 14,291 | 18,258
Energy Solutions Segment [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill, beginning balance | 97,007 | 97,143 |
Goodwill, foreign currency translation | 693 | (136) |
Goodwill, ending balance | 99,785 | 97,007 | 97,143
Goodwill, acquisitions | 2,085 |  |
Industrial Solutions Segment [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill, beginning balance | 23,436 | 23,436 |
Goodwill, ending balance | 30,458 | 23,436 | 23,436
Goodwill, acquisitions | 7,022 |  |
Fluid Handling Solutions Segment [Member] |  |  |
Goodwill [Line Items] |  |  |
Goodwill, beginning balance | 31,577 | 31,577 |
Goodwill, ending balance | $ 31,577 | $ 31,577 | $ 31,577

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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