Note 6 - Pension and Post Retirement Benefits (Tables)

3 Months Ended

Sep. 30, 2012

Pension Plans, Defined Benefit [Member]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended
	9/30/2012			9/30/2011
Service cost	$	738		$	575
Interest cost		1,494			1,664
Expected return on plan assets		(1,602	)		(1,652	)
Amortization of prior service cost		59			59
Amortization of net gain		-			(1	)
	$	689		$	645

Postretirement Medical Plan [Member]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended
	9/30/2012			9/30/2011
Service cost	$	128		$	96
Interest cost		136			156
Amortization of prior service credit		(279	)		(226	)
Amortization of accumulated loss		40			5
	$	25		$	31