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GOODWILL AND OTHER INTANGIBLE ASSETS - Estimated Intangible Asset Amortization Expense (Detail)
$ in Millions
Dec. 31, 2018
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
2019 $ 140.2
2020 139.1
2021 137.1
2022 135.0
2023 $ 132.3