Note 4 Line of Credit Facility (Details) $ in Millions	3 Months Ended
	Dec. 31, 2022 USD ($)
Foreign Line of Credit
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity	$ 67
Long-term Line of Credit	0
Fifth Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Maximum Borrowing Capacity	800
Long-term Line of Credit	0
Letters of Credit Outstanding, Amount	9
Term Loan	350
Additional Credit Line	$ 200
Line of Credit Facility, Expiration Date	Sep. 27, 2027
Term Loan Due 2027 | Fifth Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Repayment Percentage for Long-term Debt	1.25%