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Goodwill and Identifiable Intangible Assets, net - Summary of Identifiable Intangible Assets, net (Details) - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 316.3 | $ 308.4
Accumulated Amortization | (153.4) | (135.2)
Net | 162.9 | 173.2
Total identifiable intangible assets, net |  |
Gross Carrying Value | 325.2 | 317.3
Net | 171.8 | 182.1
Trademarks and tradenames with indefinite lives |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Trademarks and tradenames with indefinite lives | 8.9 | 8.9
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 100.2 | 102.0
Accumulated Amortization | (33.1) | (30.5)
Net | 67.1 | 71.5
Trademarks and tradenames with indefinite lives |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 30.6 | 31.1
Accumulated Amortization | (6.4) | (4.3)
Net | 24.2 | 26.8
Software |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 105.9 | 95.3
Accumulated Amortization | (73.0) | (62.8)
Net | 32.9 | 32.5
Technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 66.4 | 66.8
Accumulated Amortization | (30.3) | (27.2)
Net | 36.1 | 39.6
Contracts |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 13.2 | 13.2
Accumulated Amortization | (10.6) | (10.4)
Net | $ 2.6 | $ 2.8

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