Condensed Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Net sales	$ 906.7	$ 882.6	$ 1,787.0	$ 1,804.9
Cost of goods sold	601.0	574.9	1,174.7	1,178.3
Restructuring and related charges	0.2	1.7	1.0	2.0
Gross profit	305.5	306.0	611.3	624.6
Selling	151.4	152.4	306.9	306.1
General and administrative	83.6	82.6	183.0	162.2
Research and development	11.2	11.5	22.3	23.0
Restructuring and related charges	12.4	18.6	20.5	35.5
Transaction related charges	5.3	9.6	11.6	14.9
Total operating expenses	263.9	274.7	544.3	541.7
Operating income	41.6	31.3	67.0	82.9
Interest expense	94.2	67.7	151.2	143.0
Other non-operating expense (income), net	24.1		24.8	(0.7)
(Loss) Income from continuing operations before income taxes	(76.7)	(36.4)	(109.0)	(59.4)
Income tax benefit	(22.7)	(1.7)	(26.0)	(122.2)
Net (loss) income from continuing operations	(54.0)	(34.7)	(83.0)	62.8
Income (Loss) from discontinued operations, net of tax	783.6	11.3	700.4	492.7
Net income (loss)	729.6	(23.4)	617.4	555.5
Net income attributable to non-controlling interest	1.0	5.5	1.2	77.0
Net income (loss) attributable to controlling interest	728.6	(28.9)	616.2	478.5
Amounts attributable to controlling interest
Net (loss) income from continuing operations attributable to controlling interest	(55.0)	(32.6)	(84.2)	7.5
Net income from discontinued operations attributable to controlling interest	$ 783.6	$ 3.7	$ 700.4	$ 471.0
Earnings Per Share
Basic earnings per share from continuing operations	$ (1.06)	$ (1.00)	$ (1.60)	$ 0.23
Basic earnings per share from discontinued operations	15.13	0.11	13.32	14.52
Basic earnings per share	14.07	(0.89)	11.72	14.75
Diluted earnings per share from continuing operations	(1.06)	(1.00)	(1.60)	0.23
Diluted earnings per share from discontinued operations	15.13	0.11	13.32	14.42
Diluted earnings per share	14.07	$ (0.89)	11.72	$ 14.65
Dividend per share	$ 0.42		$ 0.84
Weighted Average Shares Outstanding
Basic	51.8	32.5	52.6	32.4
Diluted	51.8	32.5	52.6	32.7
SB/RH [Member]
Net sales	$ 906.7		$ 1,787.0
Cost of goods sold	601.0		1,174.7
Restructuring and related charges	0.2		1.0
Gross profit	305.5		611.3
Selling	151.4		306.9
General and administrative	82.4		180.6
Research and development	11.2		22.3
Restructuring and related charges	12.4		20.5
Transaction related charges	5.3		11.6
Total operating expenses	262.7		541.9
Operating income	42.8		69.4
Interest expense	48.3		91.5
Other non-operating expense (income), net	24.2		25.0
(Loss) Income from continuing operations before income taxes	(29.7)		(47.1)
Income tax benefit	(17.3)		(15.8)
Net (loss) income from continuing operations	(12.4)	$ 14.9	(31.3)
Income (Loss) from discontinued operations, net of tax	783.6	11.3	700.4
Net income (loss)	771.2		669.1
Net income attributable to non-controlling interest	1.0		1.2
Net income (loss) attributable to controlling interest	770.2		667.9
Amounts attributable to controlling interest
Net (loss) income from continuing operations attributable to controlling interest	(13.4)		(32.5)
Net income from discontinued operations attributable to controlling interest	$ 783.6		$ 700.4
SB/RH [Member] | Three Month Periods Ended April 1, 2018 [Member]
Net sales		882.6
Cost of goods sold		574.9
Restructuring and related charges		1.7
Gross profit		306.0
Selling		152.4
General and administrative		56.2
Research and development		11.5
Restructuring and related charges		18.6
Transaction related charges		9.6
Total operating expenses		248.3
Operating income		57.7
Interest expense		42.0
Other non-operating expense (income), net		1.6
(Loss) Income from continuing operations before income taxes		14.1
Income tax benefit		(0.8)
Net (loss) income from continuing operations		14.9
Income (Loss) from discontinued operations, net of tax		11.3
Net income (loss)		26.2
Net income attributable to non-controlling interest		0.1
Net income (loss) attributable to controlling interest		26.1
Amounts attributable to controlling interest
Net (loss) income from continuing operations attributable to controlling interest		14.8
Net income from discontinued operations attributable to controlling interest		$ 11.3
SB/RH [Member] | Six Month Periods Ended April 1, 2018 [Member]
Net sales				$ 1,804.9
Cost of goods sold				1,178.3
Restructuring and related charges				2.0
Gross profit				624.6
Selling				306.1
General and administrative				125.1
Research and development				23.0
Restructuring and related charges				35.5
Transaction related charges				14.9
Total operating expenses				504.6
Operating income				120.0
Interest expense				80.5
Other non-operating expense (income), net				3.2
(Loss) Income from continuing operations before income taxes				36.3
Income tax benefit				(126.5)
Net (loss) income from continuing operations				162.8
Income (Loss) from discontinued operations, net of tax				32.8
Net income (loss)				195.6
Net income attributable to non-controlling interest				1.0
Net income (loss) attributable to controlling interest				194.6
Amounts attributable to controlling interest
Net (loss) income from continuing operations attributable to controlling interest				161.8
Net income from discontinued operations attributable to controlling interest				$ 32.8