Pensions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Net Periodic Benefit Cost
Interest cost	$ 7	$ 15	$ 22	$ 45
Expected return on plan assets	(1)	(2)	(3)	(4)
Recognized actuarial loss	22	17	66	49
Net periodic benefit cost	$ 28	$ 30	$ 85	$ 90