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

6 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended						Six Months Ended
	12/31/2017			12/31/2016			12/31/2017			12/31/2016
Service cost	$	-		$	614		$	-		$	1,405
Interest cost		1,518			1,533			3,029			3,085
Expected return on plan assets		(1,291	)		(1,288	)		(2,576	)		(2,594	)
Amortization of net loss		6			68			12			96
	$	233		$	927		$	465		$	1,992

	Three Months Ended						Six Months Ended
	12/31/2017			12/31/2016			12/31/2017			12/31/2016
Service cost	$	22		$	24		$	43		$	47
Interest cost		67			68			134			136
Amortization of prior service credit		(135	)		(169	)		(269	)		(337	)
Amortization of net loss		25			30			50			60
	$	(21	)	$	(47	)	$	(42	)	$	(94	)