Note 10 - Employee Benefit Plans (Tables)

9 Months Ended

Mar. 31, 2013

Pension Plans, Defined Benefit [Member]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended March 31						Nine Months Ended March 31
	2013			2012			2013			2012
(amounts in thousands)
Service cost	$	118		$	94		$	354		$	282
Interest cost		210			225			630			675
Expected return on plan assets		(240	)		(264	)		(720	)		(792	)
Amortization of the unrecognized loss		203			80			609			240
Net periodic benefit cost	$	291		$	135		$	873		$	405

Postretirement Health Benefit Plan [Member]

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended March 31						Nine Months Ended March 31
	2013			2012			2013			2012
(amounts in thousands)
Service cost	$	3		$	8		$	9		$	24
Interest cost		6			17			18			51
Amortization of the unrecognized loss		(52	)		(18	)		(156	)		(54	)
Amortization of the prior service cost		(18	)		(5	)		(54	)		(15	)
Net periodic benefit cost (benefit)	$	(61	)	$	2		$	(183	)	$	6