GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Values of Other Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount	$ 1,612.3	$ 1,634.4
Accumulated Amortization	925.8	823.3
Net Value	686.5	811.1	$ 964.5
Operating permits
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Indefinite-lived intangibles	58.6	67.2
Tradenames
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Indefinite-lived intangibles	307.5	307.2
Customer relationships
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	1,230.4	1,242.2
Accumulated Amortization	911.9	807.6
Net Value, Amortizable intangibles	318.5	434.6
Covenants not-to-compete
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	2.6	2.6
Accumulated Amortization	2.6	2.6
Net Value, Amortizable intangibles	0.0	0.0
Operating permits
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	10.3	12.3
Accumulated Amortization	10.1	11.9
Net Value, Amortizable intangibles	0.2	0.4
Tradenames
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	1.1	1.1
Accumulated Amortization	0.6	0.6
Net Value, Amortizable intangibles	0.5	0.5
Other
Intangible Assets By Major Class [Line Items]
Gross Carrying Amount, Amortizable intangibles	1.8	1.8
Accumulated Amortization	0.6	0.6
Net Value, Amortizable intangibles	$ 1.2	$ 1.2