Note 7 - Pension and Post-retirement Benefits (Tables)

9 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended						Nine Months Ended
	03/31/2018			03/31/2017			03/31/2018			03/31/2017
Service cost	$	-		$	-		$	-		$	1,405
Interest cost		1,531			1,574			4,560			4,659
Expected return on plan assets		(1,300	)		(1,284	)		(3,876	)		(3,878	)
Amortization of net loss		5			6			17			102
	$	236		$	296		$	701		$	2,288

	Three Months Ended						Nine Months Ended
	03/31/2018			03/31/2017			03/31/2018			03/31/2017
Service cost	$	21		$	23		$	64		$	70
Interest cost		69			67			203			203
Amortization of prior service credit		(134	)		(168	)		(403	)		(505	)
Amortization of net loss		24			30			74			90
	$	(20	)	$	(48	)	$	(62	)	$	(142	)