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Goodwill and Intangible Assets - Schedule of Other Intangible Asset (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 533.4 | $ 542.6
Accumulated Amortization | (356.9) | (364.7)
Net | 176.5 | 177.9
Trade Name [Member] |  |
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 173.5 | 174.0
Accumulated Amortization | (1.9) | (2.1)
Net | $ 171.6 | 171.9
Minimum [Member] | Trade Name [Member] |  |
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Life Range (Years) | 3 years |
Maximum [Member] | Trade Name [Member] |  |
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Life Range (Years) | Indefinite |
Customer Lists and Relationships [Member] |  |
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 207.5 | 212.5
Accumulated Amortization | (204.0) | (208.2)
Net | $ 3.5 | $ 4.3
Customer Lists and Relationships [Member] | Minimum [Member] |  |
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Life Range (Years) | 5 years | 5 years
Customer Lists and Relationships [Member] | Maximum [Member] |  |
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Life Range (Years) | 15 years | 15 years
Technology [Member] |  |
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 152.4 | $ 156.1
Accumulated Amortization | (151.0) | (154.4)
Net | $ 1.4 | $ 1.7
Technology [Member] | Minimum [Member] |  |
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Life Range (Years) | 3 years | 3 years
Technology [Member] | Maximum [Member] |  |
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items] |  |
Estimated Life Range (Years) | 4 years | 4 years

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