CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 384.4	$ 524.6
Other comprehensive income (loss):
Foreign currency translation gain	0.6	0.7
Postretirement benefit plan adjustments, net of tax	(0.8)	(0.1)
Total other comprehensive (loss) income	(0.2)	0.6
Comprehensive income	384.2	525.2
Less: comprehensive income attributable to noncontrolling interests	1.3	1.3
Comprehensive income attributable to Reliance	$ 382.9	$ 523.9