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GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in Carrying Amount of Intangible Assets (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Finite-lived and Indefinite-lived Intangible Assets [Roll Forward]        
Beginning of period     $ 1,637.7  
Intangible assets acquired during the period     0.5  
Valuation adjustments for prior year acquisitions     3.5  
Impairments during the period     (2.6)  
Divestitures and assets held-for-sale adjustments (Note 3)     (53.2)  
Amortization during the period $ (35.8) $ (31.8) (110.5) $ (96.6)
Changes due to foreign currency fluctuations     (8.6)  
End of period $ 1,466.8   $ 1,466.8