SUPPLEMENTAL CASH FLOW INFORMATION (Tables)

12 Months Ended

Dec. 31, 2023

Supplemental Cash Flow Elements [Abstract]

Schedule of Supplemental Cash Flow Information and Non-Cash Investing and Financing Activities

Supplemental cash flow information and non-cash investing and financing activities are as follows for the years ended December 31,:

	2023		2022		2021
Supplemental cash flow information:
Cash paid for interest	$	1,260.0	$	1,088.6	$	791.2
Cash paid for income taxes (net of refunds of $31.5, $33.9 and $46.7, respectively)	306.5		322.3		225.2
Non-cash investing and financing activities:
(Decrease) increase in accounts payable and accrued expenses for purchases of property and equipment and construction activities	(14.7)		27.2		57.9
Purchases of property and equipment under finance leases, perpetual easements and capital leases	31.5		33.6		58.8
Fair value of debt assumed through acquisitions (1)	—		—		955.1
Settlement of third-party debt	—		(7.4)		(12.7)
Replacement awards (2)	—		—		17.1

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(1)    For the year ended December 31, 2021, consists of repayment of debt assumed in connection with the CoreSite Acquisition, including senior unsecured notes previously entered into by CoreSite.

(2)    For the year ended December 31, 2021, consists of CoreSite Acquisition purchase consideration related to CoreSite Replacement Awards.