Other Accrued Liabilities (Schedule of Other Accrued Liabilities) (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Sep. 30, 2023
Accounts Payable and Accrued Liabilities, Current [Abstract]
Employee benefits	$ 57,677	$ 47,653
Contract reserves	54,553	45,257
Warranty accrual	24,096	22,939
Accrued income taxes	42,011	29,631
Other	60,534	66,289
Other accrued liabilities	$ 238,871	$ 211,769