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Goodwill and Other Intangible Assets - Fair Value of Goodwill and Intangible Assets (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Aug. 06, 2021 | May 01, 2021 | Jan. 01, 2021 | Jul. 02, 2020 | Apr. 07, 2020 | Dec. 03, 2018
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Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |
Goodwill and intangible assets acquired |  |  |  |  |  |  | $ 59.4
NSM |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |
Goodwill and intangible assets acquired | $ 187.4 |  |  |  |  |  |
Kingsbridge | NSM |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |
Goodwill and intangible assets acquired |  |  |  |  |  | $ 131.7 |
JC Taylor | NSM |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |
Goodwill and intangible assets acquired |  | $ 55.7 |  |  |  |  |
Ark |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |
Goodwill and intangible assets acquired |  |  |  | $ 292.5 |  |  |
Other Operations |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |
Goodwill and intangible assets acquired |  |  | $ 31.1 |  | $ 31.1 |  |

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