CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CONSOLIDATED STATEMENTS OF INCOME
Net sales	$ 4,247.2	$ 3,847.4	$ 13,414.2	$ 10,104.6
Costs and expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	3,008.2	2,636.3	9,292.7	6,857.6
Warehouse, delivery, selling, general and administrative (SG&A)	630.1	606.8	1,890.6	1,688.6
Depreciation and amortization	60.4	56.7	178.8	172.1
Total costs and expenses	3,698.7	3,299.8	11,362.1	8,718.3
Operating income	548.5	547.6	2,052.1	1,386.3
Other (income) expense:
Interest expense	15.6	15.6	46.8	47.0
Other expense (income), net	8.9	(0.6)	21.5	3.6
Income before income taxes	524.0	532.6	1,983.8	1,335.7
Income tax provision	129.6	135.9	490.9	340.6
Net income	394.4	396.7	1,492.9	995.1
Less: Net income attributable to noncontrolling interests	0.9	1.0	3.3	3.4
Net income attributable to Reliance	$ 393.5	$ 395.7	$ 1,489.6	$ 991.7
Earnings per share attributable to Reliance stockholders:
Basic (in dollars per share)	$ 6.55	$ 6.25	$ 24.35	$ 15.61
Diluted (in dollars per share)	$ 6.45	$ 6.15	$ 23.98	$ 15.35
Shares used in computing earnings per share:
Basic (in shares)	60,055	63,275	61,175	63,526
Diluted (in shares)	60,984	64,350	62,114	64,617