UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 199.9	$ 296.0	$ 772.0	$ 1,066.7
Other comprehensive income (loss):
Foreign currency translation gain (loss)	19.3	(11.9)	(3.8)	(10.7)
Postretirement benefit adjustments, net of tax	(0.9)	(0.9)	(2.6)	(2.4)
Total other comprehensive income (loss)	18.4	(12.8)	(6.4)	(13.1)
Comprehensive income	218.3	283.2	765.6	1,053.6
Less: comprehensive income attributable to noncontrolling interests	0.7	1.0	2.1	3.5
Comprehensive income attributable to Reliance	$ 217.6	$ 282.2	$ 763.5	$ 1,050.1