Consolidated Statements of Shareholder's Equity - SB/RH - USD ($) $ in Millions	Total	Total Shareholders' Equity	Accumulated Earnings (Deficit)	Accumulated Other Comprehensive Loss	Non- controlling Interest	SB/RH	SB/RH Total Shareholders' Equity	SB/RH Other Capital	SB/RH Accumulated Earnings (Deficit)	SB/RH Accumulated Other Comprehensive Loss	SB/RH Non- controlling Interest
Balance at beginning of period at Sep. 30, 2020	$ 1,415.8	$ 1,407.5	$ 243.9	$ (284.7)	$ 8.3	$ 1,265.2	$ 1,255.3	$ 2,154.1	$ (614.2)	$ (284.6)	$ 9.9
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income from continuing operations	15.3	15.1	15.1		0.2	17.3	17.1		17.1		0.2
Income (loss) from discontinued operations, net of tax	174.3	174.5	174.5		(0.2)	174.3	174.5		174.5		(0.2)
Other comprehensive income (loss), net of tax	49.8	49.4		49.4	0.4	49.8	49.4			49.4	0.4
Restricted stock issued and related tax withholdings	(4.9)	(4.9)	0.0			(7.3)	(7.3)	(7.3)
Share based compensation	29.7	29.7				28.0	28.0	28.0
Dividend paid to common shareholders	(73.6)	(73.6)	(73.6)			(192.3)	(192.3)		(192.3)
Dividend paid by subsidiary to NCI	(1.6)				(1.6)	(1.6)					(1.6)
Balance at end of period at Sep. 30, 2021	1,479.0	1,471.9	359.9	(235.3)	7.1	1,333.4	1,324.7	2,174.8	(614.9)	(235.2)	8.7
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income from continuing operations	(77.0)	(77.2)	(77.2)		0.2	(75.0)	(75.2)		(75.2)		0.2
Income (loss) from discontinued operations, net of tax	149.7	148.8	148.8		0.9	149.7	148.8		148.8		0.9
Other comprehensive income (loss), net of tax	(68.7)	(67.8)		(67.8)	(0.9)	(68.7)	(67.8)			(67.8)	(0.9)
Restricted stock issued and related tax withholdings	(24.5)	(24.5)				(24.5)	(24.5)	(24.5)
Share based compensation	15.4	15.4				14.3	14.3	14.3
Dividend paid to common shareholders	(69.4)	(69.4)	(69.4)			(194.7)	(194.7)		(194.7)
Dividend paid by subsidiary to NCI	(1.4)				(1.4)	(1.4)					(1.4)
Balance at end of period at Sep. 30, 2022	1,269.1	1,263.2	362.1	(303.1)	5.9	1,133.1	1,125.6	2,164.6	(736.0)	(303.0)	7.5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income from continuing operations	(233.7)	(233.8)	(233.8)		0.1	(226.3)	(226.4)		(226.4)		0.1
Income (loss) from discontinued operations, net of tax	2,035.6	2,035.3	2,035.3		0.3	2,035.6	2,035.3		2,035.3		0.3
Sale and deconsolidation of assets held for sale	19.4	25.3		25.3	(5.9)	19.4	25.3			25.3	(5.9)
Other comprehensive income (loss), net of tax	28.7	28.4		28.4	0.3	28.7	28.4			28.4	0.3
Restricted stock issued and related tax withholdings	(12.9)	(12.9)				(12.9)	(12.9)	(12.9)
Share based compensation	18.6	18.6				17.2	17.2	17.2
Dividend paid to common shareholders	(67.6)	(67.6)	(67.6)			(305.1)	(305.1)		(305.1)
Balance at end of period at Sep. 30, 2023	$ 2,518.3	$ 2,517.6	$ 2,096.0	$ (249.4)	$ 0.7	$ 2,689.7	$ 2,687.4	$ 2,168.9	$ 767.8	$ (249.3)	$ 2.3