Derivatives and Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 30, 2024	Sep. 30, 2023
Estimated unrealized gains (losses), net of tax, expected to be reclassified in the next 12 months	$ 1,800
Derivatives designated as hedging instruments | Derivatives in cash flow hedging relationships | Foreign Exchange Forward [Member]
Notional amount of forward exchange contracts	275,000	$ 215,400
Fair value of derivative asset	1,800
Fair value of derivative liability		5,000
Derivatives not designated as hedging instruments | Foreign Exchange Forward [Member]
Notional amount of forward exchange contracts	220,700	145,500
Fair value of derivative liability	$ 300	$ 1,300