SEGMENT REPORTING - Financial Information Concerning Company's Reportable Segments (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Revenues	$ 598.2	$ 845.8	$ 1,383.2	$ 1,675.9
Adjusted Income from Operations	85.3	105.6	179.1	210.6
North America
Segment Reporting Information [Line Items]
Revenues	491.3	702.8	1,145.9	1,384.3
Adjusted Income from Operations	140.5	149.4	290.0	289.2
International
Segment Reporting Information [Line Items]
Revenues	106.9	143.0	237.3	291.6
Adjusted Income from Operations	1.8	16.0	16.9	33.1
Other
Segment Reporting Information [Line Items]
Adjusted Income from Operations	$ (57.0)	$ (59.8)	$ (127.8)	$ (111.7)