Aggregate dividends paid during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

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Date the declared dividend will be paid, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-3

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Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

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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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Dividends (Narrative) (Details) - $ / shares		3 Months Ended		9 Months Ended
Dividends (Narrative) (Details) - $ / shares	Jul. 17, 2025	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Class A Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock		$ 0.165	$ 0.165	$ 0.495	$ 0.495
Class B Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock		$ 0.150	$ 0.150	$ 0.450	$ 0.450
O2025 Q1 Dividends [Member]
Dividends Payable [Line Items]
Dividend payment date				Oct. 17, 2024
Dividend record date				Oct. 10, 2024
O2025 Q1 Dividends [Member] \| Class A Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.165
O2025 Q1 Dividends [Member] \| Class B Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.15
O2025 Q2 Dividends [Member]
Dividends Payable [Line Items]
Dividend payment date				Jan. 16, 2025
Dividend record date				Jan. 09, 2025
O2025 Q2 Dividends [Member] \| Class A Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.165
O2025 Q2 Dividends [Member] \| Class B Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.15
O2025 Q3 Dividends [Member]
Dividends Payable [Line Items]
Dividend payment date				Apr. 17, 2025
Dividend record date				Apr. 10, 2025
O2025 Q3 Dividends [Member] \| Class A Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.165
O2025 Q3 Dividends [Member] \| Class B Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.15
O2025 Q4 Dividends [Member] \| Subsequent Event [Member]
Dividends Payable [Line Items]
Dividend payment date	Jul. 17, 2025
Dividend record date	Jul. 10, 2025
O2025 Q4 Dividends [Member] \| Class A Common Stock [Member] \| Subsequent Event [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock	$ 0.165
O2025 Q4 Dividends [Member] \| Class B Common Stock [Member] \| Subsequent Event [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock	$ 0.15