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Goodwill - Changes in Carrying Amount of Goodwill (Detail) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Goodwill [Line Items] |  |  |  |
Beginning Balance |  | $ 439,452,000 | $ 454,612,000 |
Currency impact and other |  | (357,000) | (5,705,000) |
Goodwill acquired in acquisitions |  |  | 167,945,000 |
Impairments |  | 0 | (182,542,000) | $ 0
Measurement period adjustments |  |  | 5,142,000 |
Ending Balance | $ 439,452,000 | 439,095,000 | 439,452,000 | 454,612,000
Life Sciences |  |  |  |
Goodwill [Line Items] |  |  |  |
Beginning Balance |  | 344,947,000 | 177,784,000 |
Currency impact and other |  | (631,000) | (3,118,000) |
Goodwill acquired in acquisitions |  |  | 165,288,000 |
Impairments |  | 0 | 0 |
Measurement period adjustments |  |  | 4,993,000 |
Ending Balance | 344,947,000 | 344,316,000 | 344,947,000 | 177,784,000
Mobile Solutions |  |  |  |
Goodwill [Line Items] |  |  |  |
Beginning Balance |  | 0 | 74,147,000 |
Currency impact and other |  | 0 | (705,000) |
Goodwill acquired in acquisitions |  |  | 0 |
Impairments |  |  | (73,442,000) |
Measurement period adjustments |  |  | 0 |
Ending Balance | 0 | 0 | 0 | 74,147,000
Power Solutions |  |  |  |
Goodwill [Line Items] |  |  |  |
Beginning Balance |  | 94,505,000 | 202,681,000 |
Currency impact and other |  | 274,000 | (1,882,000) |
Goodwill acquired in acquisitions |  |  | 2,657,000 |
Impairments | (109,100,000) |  | (109,100,000) |
Reduction in goodwill |  | 1,600,000 |  |
Measurement period adjustments |  |  | 149,000 |
Ending Balance | $ 94,505,000 | $ 94,779,000 | $ 94,505,000 | $ 202,681,000

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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://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=77989000&loc=SL49117168-202975 Reference 2: 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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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266 + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e961-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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