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Business Acquisitions - Additional Information (Details) - USD ($) shares in Millions, $ in Millions | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
May 31, 2021 | Mar. 31, 2021 | Sep. 30, 2021 | Dec. 31, 2020
Business Acquisition [Line Items] |  |  |  |
Goodwill deductible for tax purposes |  |  |  | $ 49.6
Wave Optics |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination total consideration including post combination expense | $ 541.8 |  |  |
Purchase price consideration | 510.4 |  |  |
Business combination, consideration transferred, equity interests issued and issuable | 252.0 |  |  |
Payment to acquire business | 13.7 |  |  |
Business combination, recognized identifiable assets acquired and liabilities assumed, liabilities | 238.4 |  |  |
Business combination, post combination expense | $ 31.4 |  |  |
Wave Optics | Class A Common Stock |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination consideration in shares issued or issuable | 4.7 |  |  |
Fit Analytics |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price consideration |  | $ 124.4 |  |
Other Acquisitions |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price consideration |  |  | $ 123.8 |
Payment to acquire business |  |  | 54.4 |
Goodwill deductible for tax purposes |  |  | 1.0 |
Other Acquisitions | Other Liabilities |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination, recognized identifiable assets acquired and liabilities assumed, liabilities |  |  | 12.8 |
Other Acquisitions | Class A Common Stock |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business combination, consideration transferred, equity interests issued and issuable |  |  | $ 56.6 |

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