FAIR VALUE MEASUREMENT - Fair Values of Debt Obligations (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Mar. 16, 2022	Dec. 15, 2020	Jan. 12, 2017
3.650% Senior Notes
Debt
Interest rate (as a percent)	3.65%	3.65%			3.65%
3.650% Senior Notes | Level 2
Debt
Debt obligations	$ 647.4	$ 648.9
1.625% Senior Notes
Debt
Interest rate (as a percent)	1.625%	1.625%		1.625%
1.625% Senior Notes | Level 2
Debt
Debt obligations	$ 439.4	$ 444.6
3.000% Senior Notes
Debt
Interest rate (as a percent)	3.00%	3.00%	3.00%
3.000% Senior Notes | Level 2
Debt
Debt obligations	$ 274.7	$ 278.3