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Note 9 - Pension and Retirement Plans (Detail) - Weighted average actuarial assumptions used to determine net periodic benefit cost	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Domestic [Member]
Discount rate:	4.75%	5.25%
International [Member]
Discount rate:	5.04%	4.66%
Expected return on plan assets:	5.40%	6.20%
Rate of compensation increase:	1.12%	1.20%

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

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