EQUITY - Share Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended												12 Months Ended			180 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2025	Dec. 31, 2011
Share Repurchase Program
Authorized amount	$ 2,300.0												$ 2,300.0			$ 2,300.0	$ 100.0
Number of shares of common stock repurchased (in shares)	0	0	160,564	144,753	0	144,370	514,239	489,686	33,507	0	61,141	567,073	305,317	1,148,295	661,721	21,063,700
Average price paid per share (in USD per share)	$ 0	$ 0	$ 219.77	$ 207.04	$ 0	$ 170.45	$ 175.76	$ 182.26	$ 173.59	$ 0	$ 132.45	$ 123.42	$ 213.74			$ 80.02
Amount of repurchase, excluding excise tax	$ 0.0	$ 0.0	$ 35.3	$ 30.0	$ 0.0	$ 24.6	$ 90.4	$ 89.3	$ 5.8	$ 0.0	$ 8.1	$ 70.0	$ 65.3	$ 204.3	$ 83.9
Availability remaining under existing share repurchase authorizations	$ 614.5												$ 614.5			$ 614.5