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Acquisition and Divestiture - Additional Information (Detail) $ in Thousands | 3 Months Ended
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Mar. 31, 2020 USD ($)
Business Acquisition [Line Items] |
Purchases of businesses, net of cash acquired | $ 116,605
Gain (Loss) On Disposition Of Business | 141,020
2020 Consolidated Acquisition [Member] |
Business Acquisition [Line Items] |
Purchases of businesses, net of cash acquired | 116,600
Total other intangible assets acquired | 58,700
Finite-lived intangible assets acquired | 50,600
Future amortization expense, year one | 3,000
2020 Consolidated Acquisition [Member] | Trade Names [Member] |
Business Acquisition [Line Items] |
Indefinite-lived intangible trade names acquired | 8,100
2020 Consolidated Acquisition [Member] | Customer Relationship [Member] |
Business Acquisition [Line Items] |
Finite-lived intangible assets acquired | $ 41,400
Amortization period for finite-lived intangible asset | 18 years
2020 Consolidated Acquisition [Member] | Purchased Technology [Member] |
Business Acquisition [Line Items] |
Finite-lived intangible assets acquired | $ 9,200
Amortization period for finite-lived intangible asset | 18 years
Kymera International [Member] |
Business Acquisition [Line Items] |
Business Combination, Consideration Transferred | $ 245,300
Income Tax Expense Relating To Sale Of Business | 31,400
Kymera International [Member] | Other Income [Member] |
Business Acquisition [Line Items] |
Gain (Loss) On Disposition Of Business | $ 141,000

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