UNAUDITED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
UNAUDITED CONSOLIDATED STATEMENTS OF INCOME
Net sales	$ 3,643.3	$ 3,880.3	$ 7,288.1	$ 7,845.6
Costs and expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	2,557.3	2,657.6	5,073.9	5,396.9
Warehouse, delivery, selling, general and administrative	667.7	650.6	1,339.2	1,301.9
Depreciation and amortization	66.6	60.8	130.2	121.9
Total costs and expenses	3,291.6	3,369.0	6,543.3	6,820.7
Operating income	351.7	511.3	744.8	1,024.9
Other (income) expense:
Interest expense	9.7	9.7	19.4	20.6
Other income, net	(7.7)	(9.3)	(20.5)	(15.1)
Income before income taxes	349.7	510.9	745.9	1,019.4
Income tax provision	81.4	124.6	173.8	248.7
Net income	268.3	386.3	572.1	770.7
Less: net income attributable to noncontrolling interests	0.5	1.2	1.4	2.5
Net income attributable to Reliance	$ 267.8	$ 385.1	$ 570.7	$ 768.2
Earnings per share attributable to Reliance stockholders:
Basic (in dollars per share)	$ 4.71	$ 6.56	$ 9.99	$ 13.07
Diluted (in dollars per share)	$ 4.67	$ 6.49	$ 9.90	$ 12.92
Shares used in computing earnings per share:
Basic (in shares)	56,878	58,688	57,109	58,760
Diluted (in shares)	57,394	59,346	57,638	59,440