Guarantor Statements - SB/RH (Statement Of Financial Position) (Details) - USD ($) $ in Millions	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016
Assets
Cash and cash equivalents	$ 627.1	$ 552.5
Trade receivables, net	356.7	317.1
Other receivables	74.2	51.7
Inventories	548.4	583.6
Prepaid expenses and other	53.5	63.2
Current assets of business held for sale		2,402.6
Total current assets	1,659.9	3,970.7
Property, plant and equipment, net	452.9	500.0
Deferred charges and other	51.7	231.8
Investment	230.8
Goodwill	1,328.1	1,454.7	$ 1,461.8
Intangible assets, net	1,507.1	1,641.8
Total assets	5,230.5	7,799.0
Liabilities and Shareholders' Equity
Current portion of long-term debt	136.9	26.9
Accounts payable	456.8	584.7
Accrued wages and salaries	72.1	55.1
Accrued interest	29.3	65.0
Indemnification payable to Energizer	230.8
Other current liabilities	216.0	159.4
Current liabilities of business held for sale		537.6
Total current liabilities	1,141.9	1,428.7
Long-term debt, net of current portion	2,214.4	4,624.3
Deferred income taxes	55.9	35.0
Other long-term liabilities	112.0	121.4
Total liabilities	3,524.2	6,209.4
Shareholders' equity
Accumulated (deficit) earnings	201.2	(180.1)
Accumulated other comprehensive loss	(273.6)	(235.8)
Total shareholders' equity	1,698.3	1,581.3
Non-controlling interest	8.0	8.3
Total equity	1,706.3	1,589.6	1,946.9	$ 1,817.2
Total liabilities and equity	5,230.5	7,799.0
Eliminations [Member]
Assets
Intercompany receivables	(3,503.0)	(1,931.3)
Other receivables		(2.2)
Inventories	(7.3)	(12.1)
Current assets of business held for sale		(10.1)
Total current assets	(3,510.3)	(1,955.7)
Long-term intercompany receivables	(99.5)	(403.2)
Deferred charges and other	(276.5)	(195.4)
Investments in subsidiaries	(5,339.5)	(6,160.3)
Total assets	(9,225.8)	(8,714.6)
Liabilities and Shareholders' Equity
Current portion of long-term debt	(0.2)	(0.2)
Intercompany accounts payable	(3,471.2)	(1,913.1)
Income tax payable		(2.3)
Total current liabilities	(3,471.4)	(1,915.6)
Long-term intercompany debt	(131.1)	(421.4)
Deferred income taxes	(279.2)	(200.6)
Total liabilities	(3,881.7)	(2,537.6)
Shareholders' equity
Other capital	300.2	534.4
Accumulated (deficit) earnings	(6,157.4)	(7,117.4)
Accumulated other comprehensive loss	513.1	406.0
Total shareholders' equity	(5,344.1)	(6,177.0)
Total equity	(5,344.1)	(6,177.0)
Total liabilities and equity	(9,225.8)	(8,714.6)
Guarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	0.4	1.8
Trade receivables, net	55.2	42.9
Intercompany receivables	2,435.5	1,648.3
Other receivables	7.4	4.0
Inventories	156.5	162.6
Prepaid expenses and other	4.7	4.0
Current assets of business held for sale		1,379.0
Total current assets	2,659.7	3,242.6
Property, plant and equipment, net	121.1	122.1
Long-term intercompany receivables	37.4	70.3
Deferred charges and other	0.7	0.6
Goodwill	543.3	611.4
Intangible assets, net	560.3	609.5
Investments in subsidiaries	1,111.2	1,262.5
Total assets	5,033.7	5,919.0
Liabilities and Shareholders' Equity
Current portion of long-term debt	4.7	4.3
Accounts payable	65.4	124.2
Intercompany accounts payable	211.2
Accrued wages and salaries	6.5	1.5
Other current liabilities	19.8	17.5
Current liabilities of business held for sale		157.8
Total current liabilities	307.6	305.3
Long-term debt, net of current portion	52.8	57.3
Long-term intercompany debt		295.0
Deferred income taxes	439.0	357.6
Other long-term liabilities	3.1	3.1
Total liabilities	802.5	1,018.3
Shareholders' equity
Other capital	439.2	803.7
Accumulated (deficit) earnings	4,049.0	4,303.0
Accumulated other comprehensive loss	(257.0)	(206.0)
Total shareholders' equity	4,231.2	4,900.7
Total equity	4,231.2	4,900.7
Total liabilities and equity	5,033.7	5,919.0
Nonguarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	180.3	227.0
Trade receivables, net	209.0	165.3
Intercompany receivables	1,067.5	283.0
Other receivables	64.0	27.6
Inventories	191.5	204.6
Prepaid expenses and other	22.8	23.6
Current assets of business held for sale		482.5
Total current assets	1,735.1	1,413.6
Property, plant and equipment, net	144.7	155.0
Long-term intercompany receivables	10.2	11.6
Deferred charges and other	49.7	68.6
Goodwill	217.6	285.9
Intangible assets, net	239.6	261.9
Investments in subsidiaries	(2.9)	(2.9)
Total assets	2,394.0	2,193.7
Liabilities and Shareholders' Equity
Current portion of long-term debt	12.7	7.8
Accounts payable	299.7	238.1
Intercompany accounts payable	386.4	35.1
Accrued wages and salaries	27.4	29.3
Indemnification payable to Energizer	230.8
Income tax payable	24.8	15.9
Other current liabilities	43.3	61.9
Current liabilities of business held for sale		298.1
Total current liabilities	1,025.1	686.2
Long-term debt, net of current portion	9.6	13.8
Long-term intercompany debt	118.8	114.8
Deferred income taxes	55.9	70.6
Other long-term liabilities	73.6	45.8
Total liabilities	1,283.0	931.2
Shareholders' equity
Other capital	(750.9)	(1,361.9)
Accumulated (deficit) earnings	2,108.4	2,814.5
Accumulated other comprehensive loss	(256.1)	(200.0)
Total shareholders' equity	1,101.4	1,252.6
Non-controlling interest	9.6	9.9
Total equity	1,111.0	1,262.5
Total liabilities and equity	2,394.0	2,193.7
Parent [Member]
Assets
Cash and cash equivalents	441.2	276.6
Trade receivables, net	92.5	108.9
Other receivables	68.7	65.7
Inventories	207.7	228.5
Prepaid expenses and other	26.0	35.3
Current assets of business held for sale		551.2
Total current assets	836.1	1,266.2
Property, plant and equipment, net	187.1	222.9
Long-term intercompany receivables	51.9	321.3
Deferred charges and other	277.8	200.4
Investment	230.8
Goodwill	567.2	557.4
Intangible assets, net	707.2	770.4
Investments in subsidiaries	4,231.2	4,900.7
Total assets	7,089.3	8,239.3
Liabilities and Shareholders' Equity
Current portion of long-term debt	119.7	535.0
Accounts payable	98.7	222.4
Intercompany accounts payable	2,873.6	1,878.0
Accrued wages and salaries	38.1	24.6
Accrued interest	29.3	55.0
Income tax payable	215.7	1.9
Other current liabilities	119.6	57.4
Current liabilities of business held for sale		81.7
Total current liabilities	3,494.7	2,856.0
Long-term debt, net of current portion	2,076.7	3,615.3
Long-term intercompany debt	12.3	11.6
Deferred income taxes	56.5	59.4
Other long-term liabilities	35.1	71.5
Total liabilities	5,675.3	6,613.8
Shareholders' equity
Other capital	2,124.8	2,096.8
Accumulated (deficit) earnings	(437.3)	(235.6)
Accumulated other comprehensive loss	(273.5)	(235.7)
Total shareholders' equity	1,414.0	1,625.5
Total equity	1,414.0	1,625.5
Total liabilities and equity	7,089.3	8,239.3
SB/RH [Member]
Assets
Cash and cash equivalents	621.9	505.4
Trade receivables, net	356.7	317.1
Other receivables	140.1	95.1
Inventories	548.4	583.6
Prepaid expenses and other	53.5	62.9
Current assets of business held for sale		2,402.6
Total current assets	1,720.6	3,966.7
Property, plant and equipment, net	452.9	500.0
Deferred charges and other	51.7	74.2
Investment	230.8
Goodwill	1,328.1	1,454.7
Intangible assets, net	1,507.1	1,641.8
Total assets	5,291.2	7,637.4
Liabilities and Shareholders' Equity
Current portion of long-term debt	136.9	546.9
Accounts payable	463.8	584.7
Accrued wages and salaries	72.0	55.4
Accrued interest	29.3	55.0
Indemnification payable to Energizer	230.8
Income tax payable	240.5	15.5
Other current liabilities	182.7	136.8
Current liabilities of business held for sale		537.6
Total current liabilities	1,356.0	1,931.9
Long-term debt, net of current portion	2,139.1	3,686.4
Deferred income taxes	272.2	287.0
Other long-term liabilities	111.8	120.4
Total liabilities	3,879.1	6,025.7
Shareholders' equity
Other capital	2,113.3	2,073.0
Accumulated (deficit) earnings	(437.3)	(235.5)
Accumulated other comprehensive loss	(273.5)	(235.7)
Total shareholders' equity	1,402.5	1,601.8
Non-controlling interest	9.6	9.9
Total equity	1,412.1	1,611.7	$ 1,835.4	$ 1,829.4
Total liabilities and equity	$ 5,291.2	$ 7,637.4