GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in Carrying Amount of Intangible Assets (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finite-lived and Indefinite-lived Intangible Assets [Roll Forward]
Beginning of period				$ 1,862.0				$ 1,842.6	$ 1,862.0	$ 1,842.6
Intangible assets acquired during the year									28.2	35.5
Valuation adjustments for prior year acquisitions									7.9	169.0
Reclassification to assets held for sale									(2.6)
Write-offs due to disposition and amounts reclassified to assets held for sale										(16.0)
Impairments during the year									(21.0)	(1.4)	$ (4.2)
Amortization during the year	$ (29.9)	$ (29.9)	$ (29.5)	$ (29.1)	$ (27.0)	$ (33.1)	$ (50.9)	$ (18.3)	(118.4)	(129.3)	(45.5)
Changes due to foreign currency fluctuations									35.4	(38.4)
End of period	$ 1,791.5				$ 1,862.0				$ 1,791.5	$ 1,862.0	$ 1,842.6