UNAUDITED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
UNAUDITED CONSOLIDATED STATEMENT OF INCOME
Net sales	$ 3,659.8	$ 3,643.3	$ 7,144.5	$ 7,288.1
Costs and expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	2,571.9	2,557.3	5,023.3	5,073.9
Warehouse, delivery, selling, general and administrative	706.0	667.7	1,396.2	1,339.2
Depreciation and amortization	69.7	66.6	138.4	130.2
Total costs and expenses	3,347.6	3,291.6	6,557.9	6,543.3
Operating income	312.2	351.7	586.6	744.8
Other (income) expense:
Interest expense	14.3	9.7	25.8	19.4
Other income, net	(6.4)	(7.7)	(5.9)	(20.5)
Income before income taxes	304.3	349.7	566.7	745.9
Income tax provision	70.1	81.4	132.0	173.8
Net income	234.2	268.3	434.7	572.1
Less: net income attributable to noncontrolling interests	0.5	0.5	1.3	1.4
Net income attributable to Reliance	$ 233.7	$ 267.8	$ 433.4	$ 570.7
Earnings per share attributable to Reliance stockholders:
Basic (in dollars per share)	$ 4.44	$ 4.71	$ 8.2	$ 9.99
Diluted (in dollars per share)	$ 4.42	$ 4.67	$ 8.15	$ 9.9
Shares used in computing earnings per share:
Basic (in shares)	52,610	56,878	52,841	57,109
Diluted (in shares)	52,923	57,394	53,160	57,638