Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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GOODWILL AND OTHER INTANGIBLE ASSETS - Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Roll Forward]
Beginning Balance				$ 2,982.2				$ 3,222.2	$ 2,982.2	$ 3,222.2
Purchase accounting adjustments										(4.3)
Goodwill Impairment	$ 0.0	$ 0.0	$ 0.0	0.0	$ (207.4)	$ 0.0	$ 0.0	(20.9)	0.0	(228.3)	$ (358.7)
Divestitures									(186.8)	(8.6)
Changes due to foreign currency fluctuations and other									23.9	1.2
Ending Balance	2,819.3				2,982.2				2,819.3	2,982.2	3,222.2
North America
Goodwill [Roll Forward]
Beginning Balance				2,631.6				2,848.4	2,631.6	2,848.4
Purchase accounting adjustments										(4.3)
Goodwill Impairment										(207.4)
Divestitures									(182.8)	(2.4)
Changes due to foreign currency fluctuations and other									0.0	(2.7)
Ending Balance	2,448.8				2,631.6				2,448.8	2,631.6	2,848.4
International
Goodwill [Roll Forward]
Beginning Balance				$ 350.6				$ 373.8	350.6	373.8
Purchase accounting adjustments										0.0
Goodwill Impairment										(20.9)
Divestitures									(4.0)	(6.2)
Changes due to foreign currency fluctuations and other									23.9	3.9
Ending Balance	$ 370.5				$ 350.6				$ 370.5	$ 350.6	$ 373.8