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

9 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended						Nine Months Ended
	03/31/2020			03/31/2019			03/31/2020			03/31/2019
Service cost	$	-		$	-		$	-		$	-
Interest cost		1,362			1,508			4,077			4,515
Expected return on plan assets		(1,305	)		(1,286	)		(3,908	)		(3,849	)
Amortization of net loss		9			5			28			19
	$	66		$	227		$	198		$	684

	Three Months Ended						Nine Months Ended
	03/31/2020			03/31/2019			03/31/2020			03/31/2019
Service cost	$	18		$	18		$	55		$	54
Interest cost		60			66			180			199
Amortization of prior service credit		(134	)		(134	)		(403	)		(403	)
Amortization of net loss		20			7			62			22
	$	(36	)	$	(43	)	$	(106	)	$	(128	)