Note 9 - Pension and Post-retirement Benefits (Tables)

6 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended						Six Months Ended
	12/31/2019			12/31/2018			12/31/2019			12/31/2018
Service cost	$	-		$	-		$	-		$	-
Interest cost		1,366			1,500			2,715			3,006
Expected return on plan assets		(1,309	)		(1,279	)		(2,603	)		(2,563	)
Amortization of net loss		9			7			19			14
	$	66		$	228		$	131		$	457

	Three Months Ended						Six Months Ended
	12/31/2019			12/31/2018			12/31/2019			12/31/2018
Service cost	$	19		$	18		$	37		$	36
Interest cost		60			67			120			133
Amortization of prior service credit		(135	)		(135	)		(269	)		(269	)
Amortization of net loss		21			8			42			15
	$	(35	)	$	(42	)	$	(70	)	$	(85	)