Note 3 Financial Instruments (Tables)

9 Months Ended

Jun. 30, 2018

Financial Instruments, Owned, at Fair Value [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]

	As of
	June 30, 2018		September 30, 2017
Derivatives Designated as Accounting Hedges:
Notional amount (in thousands)	$	106,106	$	105,523
Number of contracts	57		58
Derivatives Not Designated as Accounting Hedges:
Notional amount (in thousands)	$	315,259	$	302,944
Number of contracts	51		46