Consolidated Statement of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Sales
Sales	$ 1,808.1	$ 1,776.1	$ 3,665.4	$ 3,341.4
Cost of sales
Cost of sales	(1,144.0)	(1,008.7)	(2,252.2)	(1,927.5)
Gross profit	664.1	767.4	1,413.2	1,413.9
Selling, general and administrative expenses	(428.5)	(421.3)	(876.0)	(795.9)
Change in fair value of investments	(140.7)	190.9	(133.1)	581.3
Other (expense) income	(23.7)	(6.0)	(20.8)	55.0
Interest expense	(30.1)	(23.3)	(59.7)	(45.9)
Income before income taxes	41.1	507.7	323.6	1,208.4
Income tax benefit (provision)	8.3	(97.4)	(35.3)	(207.7)
Net income	49.4	410.3	288.3	1,000.7
Net loss attributable to noncontrolling interests	(4.5)	(4.7)	(7.1)	(7.6)
Net income attributable to Rockwell Automation, Inc.	$ 53.9	$ 415.0	$ 295.4	$ 1,008.3
Earnings per share:
Basic (in usd per share)	$ 0.46	$ 3.57	$ 2.54	$ 8.67
Diluted (in usd per share)	$ 0.46	$ 3.54	$ 2.51	$ 8.59
Weighted average outstanding shares:
Basic (in shares)	116.2	116.1	116.1	116.1
Diluted (in shares)	117.1	117.1	117.2	117.1
Products and solutions
Sales
Sales	$ 1,621.9	$ 1,599.1	$ 3,295.2	$ 2,993.3
Cost of sales
Cost of sales	(1,028.8)	(896.0)	(2,019.1)	(1,702.5)
Services
Sales
Sales	186.2	177.0	370.2	348.1
Cost of sales
Cost of sales	$ (115.2)	$ (112.7)	$ (233.1)	$ (225.0)