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Goodwill - Additional Information (Detail) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Goodwill [Line Items] |  |  |  |
Goodwill | $ 439,452,000 | $ 439,095,000 | $ 439,452,000 | $ 454,612,000
Goodwill impairment |  | 0 | 182,542,000 | 0
Intangible assets, net | 376,248,000 | 329,260,000 | 376,248,000 | 237,702,000
Paragon Medical |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 161,800,000 |  | 161,800,000 |
Other |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 8,000,000 |  | 8,000,000 |
Southern California Technical Arts, Inc. |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 2,800,000 |  | 2,800,000 |
Life Sciences |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 344,947,000 | 344,316,000 | 344,947,000 | 177,784,000
Goodwill impairment |  | 0 | 0 |
Intangible assets, net | 244,365,000 | 211,847,000 | 244,365,000 | 93,226,000
Mobile Solutions |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 0 | 0 | 0 | 74,147,000
Goodwill impairment |  |  | 73,442,000 |
Intangible assets, net | 35,892,000 | 32,416,000 | 35,892,000 | 39,446,000
Power Solutions |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill | 94,505,000 | 94,779,000 | 94,505,000 | 202,681,000
Goodwill impairment | 109,100,000 |  | 109,100,000 |
Intangible assets, net | $ 95,991,000 | 84,997,000 | $ 95,991,000 | $ 105,030,000
Reduction in goodwill |  | $ 1,600,000 |  |

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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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 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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