CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
CONSOLIDATED STATEMENTS OF INCOME
Net sales	$ 4,681.2	$ 3,418.8	$ 9,167.0	$ 6,257.2
Costs and expenses:
Cost of sales (exclusive of depreciation and amortization shown below)	3,185.8	2,336.6	6,284.5	4,221.3
Warehouse, delivery, selling, general and administrative (SG&A)	648.6	563.3	1,260.5	1,081.8
Depreciation and amortization	59.3	58.5	118.4	115.4
Total costs and expenses	3,893.7	2,958.4	7,663.4	5,418.5
Operating income	787.5	460.4	1,503.6	838.7
Other expense:
Interest expense	15.6	15.7	31.2	31.4
Other expense, net	9.3	0.6	12.6	4.2
Income before income taxes	762.6	444.1	1,459.8	803.1
Income tax provision	188.7	113.9	361.3	204.7
Net income	573.9	330.2	1,098.5	598.4
Less: net income attributable to noncontrolling interests	1.1	1.1	2.4	2.4
Net income attributable to Reliance	$ 572.8	$ 329.1	$ 1,096.1	$ 596.0
Earnings per share attributable to Reliance stockholders:
Diluted (in dollars per share)	$ 9.15	$ 5.08	$ 17.49	$ 9.20
Basic (in dollars per share)	$ 9.29	$ 5.17	$ 17.75	$ 9.36
Shares used in computing earnings per share:
Diluted (in shares)	62,594	64,793	62,688	64,752
Basic (in shares)	61,657	63,663	61,744	63,654