Share Based Compensation (Summary Of Activity Of The RSUs Granted) (Details) $ / shares in Units, shares in Millions, $ in Millions	6 Months Ended
Mar. 29, 2020 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.7
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 62.96
Granted, Fair Value at Grant Date \| $	$ 45.6
Time-Based RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.4
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 62.67
Granted, Fair Value at Grant Date \| $	$ 26.6
Time-Based RSUs [Member] \| Vesting In Less Than 24 Months [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.3
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 62.37
Granted, Fair Value at Grant Date \| $	$ 18.5
Time-Based RSUs [Member] \| Vesting In More Than 24 Months [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.1
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 63.38
Granted, Fair Value at Grant Date \| $	$ 8.1
Performance-Based RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.3
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 63.37
Granted, Fair Value at Grant Date \| $	$ 19.0
Performance-Based RSUs [Member] \| Vesting In More Than 24 Months [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.3
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 63.37
Granted, Fair Value at Grant Date \| $	$ 19.0
SB/RH [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.7
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 62.95
Granted, Fair Value at Grant Date \| $	$ 44.3
SB/RH [Member] \| Time-Based RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.4
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 62.63
Granted, Fair Value at Grant Date \| $	$ 25.3
SB/RH [Member] \| Time-Based RSUs [Member] \| Vesting In Less Than 24 Months [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.3
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 62.29
Granted, Fair Value at Grant Date \| $	$ 17.2
SB/RH [Member] \| Time-Based RSUs [Member] \| Vesting In More Than 24 Months [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.1
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 63.38
Granted, Fair Value at Grant Date \| $	$ 8.1
SB/RH [Member] \| Performance-Based RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.3
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 63.38
Granted, Fair Value at Grant Date \| $	$ 19.0
SB/RH [Member] \| Performance-Based RSUs [Member] \| Vesting In More Than 24 Months [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, Shares \| shares	0.3
Granted, Weighted Average Grant Date Fair Value \| $ / shares	$ 63.37
Granted, Fair Value at Grant Date \| $	$ 19.0

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Aggregate value of stock related to Restricted Stock Awards issued during the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
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