Guarantor Statements - SB/RH (Statement Of Cash Flows) (Details) - USD ($) $ in Millions	9 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations	$ (186.1)	$ (175.2)
Net cash (used) provided by operating activities from discontinued operations	(250.4)	118.8
Net cash used by operating activities	(436.5)	(56.4)
Cash flows from investing activities
Purchases of property, plant and equipment	(40.3)	(56.6)
Proceeds from sales of property, plant and equipment	0.1	2.8
Proceeds from sale of discontinued operations, net of cash	2,854.4	1,546.8
Other investing activities	(0.2)	(0.5)
Net cash provided (used) by investing activities from continuing operations	2,814.0	1,492.5
Net cash used by investing activities from discontinued operations	(5.4)	(194.3)
Net cash provided (used) by investing activities	2,808.6	1,298.2
Cash flows from financing activities
Proceeds from issuance of debt	54.0	556.8
Payment of debt, including premium on extinguishment	(2,475.1)	(1,010.6)
Payment of debt issuance costs	(0.1)	(0.4)
Other financing activities, net	(8.9)	20.7
Net cash (used) provided by financing activities from continuing operations	(2,767.0)	(774.2)
Net cash (used) provided by financing activities from discontinued operations	(2.2)	117.7
Net cash (used) provided by financing activities	(2,769.2)	(656.5)
Effect of exchange rate changes on cash and cash equivalents	(2.9)	(3.1)
Net change in cash, cash equivalents and restricted cash	(400.0)	582.2
Cash, cash equivalents, and restricted cash, beginning of period	561.4	254.8
Cash, cash equivalents, and restricted cash, end of period	161.4	799.3
Parent [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations	382.3
Net cash (used) provided by operating activities from discontinued operations	2.2
Net cash used by operating activities	384.5
Cash flows from investing activities
Purchases of property, plant and equipment	(20.2)
Proceeds from sale of discontinued operations, net of cash	2,854.4
Other investing activities	(0.2)
Net cash provided (used) by investing activities from continuing operations	2,834.0
Net cash used by investing activities from discontinued operations	(1.1)
Net cash provided (used) by investing activities	2,832.9
Cash flows from financing activities
Proceeds from issuance of debt	54.0
Payment of debt, including premium on extinguishment	(2,084.0)
Payment of debt issuance costs	(0.1)
Payment of cash dividends to parent	(696.9)
Advances related to intercompany transactions	(762.7)
Other financing activities, net	(8.9)
Net cash (used) provided by financing activities from continuing operations	(3,498.6)
Net cash (used) provided by financing activities from discontinued operations	(1.1)
Net cash (used) provided by financing activities	(3,499.7)
Net change in cash, cash equivalents and restricted cash	(282.3)
Cash, cash equivalents, and restricted cash, beginning of period	285.5
Cash, cash equivalents, and restricted cash, end of period	3.2
SB/RH [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations	(171.4)
Net cash (used) provided by operating activities from discontinued operations	(250.4)
Net cash used by operating activities	(421.8)
Cash flows from investing activities
Purchases of property, plant and equipment	(40.3)
Proceeds from sales of property, plant and equipment	0.1
Proceeds from sale of discontinued operations, net of cash	2,854.4
Other investing activities	(0.2)
Net cash provided (used) by investing activities from continuing operations	2,814.0
Net cash used by investing activities from discontinued operations	(5.4)
Net cash provided (used) by investing activities	2,808.6
Cash flows from financing activities
Proceeds from issuance of debt	54.0
Payment of debt, including premium on extinguishment	(2,087.9)
Payment of debt issuance costs	(0.1)
Payment of cash dividends to parent	(696.9)
Other financing activities, net	(8.9)
Net cash (used) provided by financing activities from continuing operations	(2,739.8)
Net cash (used) provided by financing activities from discontinued operations	(2.2)
Net cash (used) provided by financing activities	(2,742.0)
Effect of exchange rate changes on cash and cash equivalents	(2.9)
Net change in cash, cash equivalents and restricted cash	(358.1)
Cash, cash equivalents, and restricted cash, beginning of period	514.3
Cash, cash equivalents, and restricted cash, end of period	156.2
Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations	314.1
Net cash (used) provided by operating activities from discontinued operations	2.5
Net cash used by operating activities	316.6
Cash flows from investing activities
Purchases of property, plant and equipment	(10.6)
Net cash provided (used) by investing activities from continuing operations	(10.6)
Net cash used by investing activities from discontinued operations	(2.5)
Net cash provided (used) by investing activities	(13.1)
Cash flows from financing activities
Advances related to intercompany transactions	(304.8)
Net cash (used) provided by financing activities from continuing operations	(304.8)
Net cash (used) provided by financing activities	(304.8)
Net change in cash, cash equivalents and restricted cash	(1.3)
Cash, cash equivalents, and restricted cash, beginning of period	1.8
Cash, cash equivalents, and restricted cash, end of period	0.5
Nonguarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations	1,926.0
Net cash (used) provided by operating activities from discontinued operations	2.9
Net cash used by operating activities	1,928.9
Cash flows from investing activities
Purchases of property, plant and equipment	(9.5)
Proceeds from sales of property, plant and equipment	0.1
Net cash provided (used) by investing activities from continuing operations	(9.4)
Net cash used by investing activities from discontinued operations	(1.8)
Net cash provided (used) by investing activities	(11.2)
Cash flows from financing activities
Payment of debt, including premium on extinguishment	(3.9)
Advances related to intercompany transactions	(1,984.3)
Net cash (used) provided by financing activities from continuing operations	(1,988.2)
Net cash (used) provided by financing activities from discontinued operations	(1.1)
Net cash (used) provided by financing activities	(1,989.3)
Effect of exchange rate changes on cash and cash equivalents	(2.9)
Net change in cash, cash equivalents and restricted cash	(74.5)
Cash, cash equivalents, and restricted cash, beginning of period	227.0
Cash, cash equivalents, and restricted cash, end of period	152.5
Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations	(2,793.8)
Net cash (used) provided by operating activities from discontinued operations	(258.0)
Net cash used by operating activities	(3,051.8)
Cash flows from financing activities
Advances related to intercompany transactions	3,051.8
Net cash (used) provided by financing activities from continuing operations	3,051.8
Net cash (used) provided by financing activities	$ 3,051.8
Nine Month Periods Ended July 1, 2018 [Member] \| Parent [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations		(155.7)
Net cash (used) provided by operating activities from discontinued operations		3.9
Net cash used by operating activities		(151.8)
Cash flows from investing activities
Purchases of property, plant and equipment		(27.6)
Proceeds from sales of property, plant and equipment		0.8
Net cash provided (used) by investing activities from continuing operations		(26.8)
Net cash used by investing activities from discontinued operations		(3.9)
Net cash provided (used) by investing activities		(30.7)
Cash flows from financing activities
Proceeds from issuance of debt		545.5
Payment of debt, including premium on extinguishment		(35.3)
Payment of debt issuance costs		(0.4)
Payment of cash dividends to parent		(351.8)
Advances related to intercompany transactions		20.9
Net cash (used) provided by financing activities from continuing operations		178.9
Net cash (used) provided by financing activities		178.9
Net change in cash, cash equivalents and restricted cash		(3.6)
Cash, cash equivalents, and restricted cash, beginning of period		21.3
Cash, cash equivalents, and restricted cash, end of period		17.7
Nine Month Periods Ended July 1, 2018 [Member] \| SB/RH [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations		(119.1)
Net cash (used) provided by operating activities from discontinued operations		21.6
Net cash used by operating activities		(97.5)
Cash flows from investing activities
Purchases of property, plant and equipment		(56.6)
Proceeds from sales of property, plant and equipment		2.8
Other investing activities		(0.5)
Net cash provided (used) by investing activities from continuing operations		(54.3)
Net cash used by investing activities from discontinued operations		(19.5)
Net cash provided (used) by investing activities		(73.8)
Cash flows from financing activities
Proceeds from issuance of debt		556.8
Payment of debt, including premium on extinguishment		(54.1)
Payment of debt issuance costs		(0.4)
Payment of cash dividends to parent		(351.8)
Net cash (used) provided by financing activities from continuing operations		150.5
Net cash (used) provided by financing activities from discontinued operations		2.6
Net cash (used) provided by financing activities		153.1
Effect of exchange rate changes on cash and cash equivalents		(3.1)
Net change in cash, cash equivalents and restricted cash		(21.3)
Cash, cash equivalents, and restricted cash, beginning of period		183.5
Cash, cash equivalents, and restricted cash, end of period		162.2
Nine Month Periods Ended July 1, 2018 [Member] \| Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations		(29.9)
Net cash (used) provided by operating activities from discontinued operations		4.3
Net cash used by operating activities		(25.6)
Cash flows from investing activities
Purchases of property, plant and equipment		(8.9)
Proceeds from sales of property, plant and equipment		0.1
Other investing activities		(0.2)
Net cash provided (used) by investing activities from continuing operations		(9.0)
Net cash used by investing activities from discontinued operations		(4.2)
Net cash provided (used) by investing activities		(13.2)
Cash flows from financing activities
Advances related to intercompany transactions		34.9
Net cash (used) provided by financing activities from continuing operations		34.9
Net cash (used) provided by financing activities from discontinued operations		(0.1)
Net cash (used) provided by financing activities		34.8
Net change in cash, cash equivalents and restricted cash		(4.0)
Cash, cash equivalents, and restricted cash, beginning of period		4.8
Cash, cash equivalents, and restricted cash, end of period		0.8
Nine Month Periods Ended July 1, 2018 [Member] \| Nonguarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations		94.5
Net cash (used) provided by operating activities from discontinued operations		8.8
Net cash used by operating activities		103.3
Cash flows from investing activities
Purchases of property, plant and equipment		(20.1)
Proceeds from sales of property, plant and equipment		1.9
Other investing activities		(0.3)
Net cash provided (used) by investing activities from continuing operations		(18.5)
Net cash used by investing activities from discontinued operations		(11.4)
Net cash provided (used) by investing activities		(29.9)
Cash flows from financing activities
Proceeds from issuance of debt		11.3
Payment of debt, including premium on extinguishment		(18.8)
Advances related to intercompany transactions		(79.2)
Net cash (used) provided by financing activities from continuing operations		(86.7)
Net cash (used) provided by financing activities from discontinued operations		2.7
Net cash (used) provided by financing activities		(84.0)
Effect of exchange rate changes on cash and cash equivalents		(3.1)
Net change in cash, cash equivalents and restricted cash		(13.7)
Cash, cash equivalents, and restricted cash, beginning of period		157.4
Cash, cash equivalents, and restricted cash, end of period		143.7
Nine Month Periods Ended July 1, 2018 [Member] \| Eliminations [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash (used) provided by operating activities from continuing operations		(28.0)
Net cash (used) provided by operating activities from discontinued operations		4.6
Net cash used by operating activities		(23.4)
Cash flows from financing activities
Advances related to intercompany transactions		23.4
Net cash (used) provided by financing activities from continuing operations		23.4
Net cash (used) provided by financing activities		$ 23.4

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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Amount of cash inflow (outflow) from financing activities classified as other.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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