Note 7 - Derivative Financial Instruments - Foreign Currency Forward Contracts Outstanding (Details) - Sep. 30, 2023 - Not Designated as Hedging Instrument [Member] € in Thousands, ¥ in Thousands, SFr in Thousands, RM in Thousands, ₩ in Millions, $ in Millions	USD ($)	EUR (€)	JPY (¥)	CHF (SFr)	MYR (RM)	KRW (₩)
Euro Foreign Exchange Forward [Member] | Long [Member]
Contract amount	$ 62	€ 58,637
Swiss Franc Foreign Exchange Forward [Member] | Long [Member]
Contract amount	13			SFr 11,874
Malaysian Ringgit Foreign Exchange Forward [Member] | Long [Member]
Contract amount	2				RM 9,356
South Korean Won Forward Exchange Forward [Member] | Long [Member]
Contract amount	2					₩ 2,699.7
Japanese Yen Foreign Exchange Forward [Member] | Long [Member]
Contract amount	1		¥ 148,930
Foreign Exchange Forward [Member]
Contract amount	$ 80