GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Values of Other Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount	$ 1,701.1	$ 1,729.0
Accumulated Amortization	736.6	641.6
Net Value	964.5	1,087.4	$ 1,422.4
Operating permits
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Indefinite-lived Intangibles	70.0	79.6
Tradenames
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Indefinite-lived Intangibles	313.7	315.3
Customer relationships
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	1,297.6	1,314.9
Accumulated Amortization	722.9	630.2
Net Value, Amortizable intangibles	574.7	684.7
Covenants not-to-compete
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	3.5	3.5
Accumulated Amortization	3.2	3.0
Net Value, Amortizable intangibles	0.3	0.5
Operating permits
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	12.1	11.5
Accumulated Amortization	8.5	6.5
Net Value, Amortizable intangibles	3.6	5.0
Tradenames
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	3.6	3.6
Accumulated Amortization	1.4	1.3
Net Value, Amortizable intangibles	2.2	2.3
Other
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	0.6	0.6
Accumulated Amortization	0.6	0.6
Net Value, Amortizable intangibles	$ 0.0	$ 0.0