CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 878.0	$ 1,340.1	$ 1,844.2
Other comprehensive (loss) income:
Foreign currency translation (loss) gain	(44.0)	8.3	(28.8)
Pension and postretirement benefit adjustments, net of tax	5.5	1.3	11.4
Total other comprehensive (loss) income	(38.5)	9.6	(17.4)
Comprehensive income	839.5	1,349.7	1,826.8
Less: comprehensive income attributable to noncontrolling interests	2.8	4.2	4.1
Comprehensive income attributable to Reliance	$ 836.7	$ 1,345.5	$ 1,822.7