Consolidated Statement of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Sales
Sales	$ 1,848.2	$ 1,394.0	$ 5,189.6	$ 4,759.8
Cost of sales
Cost of sales	(1,083.8)	(839.8)	(3,011.3)	(2,803.9)
Gross profit	764.4	554.2	2,178.3	1,955.9
Selling, general and administrative expenses	(436.9)	(370.2)	(1,232.8)	(1,125.4)
Change in fair value of investments	43.3	175.5	624.6	101.7
Other (expense) income	(34.9)	0.4	20.1	(18.4)
Interest expense	(22.4)	(25.4)	(68.3)	(77.3)
Income before income taxes	313.5	334.5	1,521.9	836.5
Income tax provision	(44.5)	(20.3)	(252.2)	(77.0)
Net income	269.0	314.2	1,269.7	759.5
Net loss attributable to noncontrolling interests	(2.3)	(3.6)	(9.9)	(1.2)
Net income attributable to Rockwell Automation, Inc.	$ 271.3	$ 317.8	$ 1,279.6	$ 760.7
Earnings per share:
Basic (in usd per share)	$ 2.34	$ 2.74	$ 11.01	$ 6.56
Diluted (in usd per share)	$ 2.32	$ 2.73	$ 10.91	$ 6.52
Weighted average outstanding shares:
Basic (in shares)	116.0	115.7	116.0	115.8
Diluted (in shares)	117.0	116.4	117.1	116.5
Products and solutions
Sales
Sales	$ 1,664.7	$ 1,249.7	$ 4,658.0	$ 4,264.6
Cost of sales
Cost of sales	(962.7)	(744.8)	(2,665.2)	(2,478.7)
Services
Sales
Sales	183.5	144.3	531.6	495.2
Cost of sales
Cost of sales	$ (121.1)	$ (95.0)	$ (346.1)	$ (325.2)