BUSINESS ACQUISITIONS (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Business Combinations [Abstract]
Payments to Acquire Businesses, Net of Cash Acquired		$ 136.9	$ 554.9
Business Acquisition [Line Items]
Goodwill, Acquired During Period		50.8	332.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 325.3		325.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	0.8		0.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	679.7		679.7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable	4.1		4.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other	24.1		24.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue	3.3		3.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities	17.1		17.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	76.2		76.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	124.8		124.8
Business Acquisition, Pro Forma Revenue	2,961.9		6,149.8
Business Acquisition, Pro Forma Net Income (Loss)	270.2		690.0
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	554.9		554.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets	1.2		1.2
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets	10.0		10.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables	4.1		4.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	2.9		2.9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	$ 2.6		2.6
Prepaid Expenses and Other Current Assets [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period		0.6
Accrued Liabilities [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period		(8.3)
Other Noncurrent Liabilities [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period		(2.3)
Goodwill [Member]
Business Acquisition [Line Items]
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles		$ (29.4)
Customer Lists | Maximum [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		15 years
Noncompete Agreements [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		7 years
Other acquirees
Business Combinations [Abstract]
Finite-lived Intangible Assets Acquired		$ 84.1	325.3
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired		84.1	325.3
Goodwill, Acquired During Period		50.8	$ 332.8
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles		19.5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents		0.2
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets		(10.6)
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period		0.0
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities		(10.6)
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment		$ (1.5)
Noncompete Agreements [Member] | Minimum [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			5 years