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Dividends (Narrative) (Details) - $ / shares		3 Months Ended		6 Months Ended
	Apr. 09, 2026	Mar. 28, 2026	Mar. 29, 2025	Mar. 28, 2026	Mar. 29, 2025
Class A Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock		$ 0.165	$ 0.165	$ 0.33	$ 0.33
Class B Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock		$ 0.150	$ 0.150	$ 0.30	$ 0.30
O2026 Q1 Dividends [Member]
Dividends Payable [Line Items]
Dividend payment date				Oct. 16, 2025
Dividend record date				Oct. 09, 2025
O2026 Q1 Dividends [Member] | Class A Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.165
O2026 Q1 Dividends [Member] | Class B Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.15
O2026 Q2 Dividends [Member]
Dividends Payable [Line Items]
Dividend payment date				Jan. 15, 2026
Dividend record date				Jan. 08, 2026
O2026 Q2 Dividends [Member] | Class A Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.165
O2026 Q2 Dividends [Member] | Class B Common Stock [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock				$ 0.15
O2026 Q3 Dividends [Member] | Subsequent Event [Member]
Dividends Payable [Line Items]
Dividend payment date	Apr. 16, 2026
Dividend record date	Apr. 09, 2026
O2026 Q3 Dividends [Member] | Class A Common Stock [Member] | Subsequent Event [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock	$ 0.165
O2026 Q3 Dividends [Member] | Class B Common Stock [Member] | Subsequent Event [Member]
Dividends Payable [Line Items]
Cash dividends per share of common stock	$ 0.15

X

- Definition

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

+ References

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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+ 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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