Restructuring Expenses (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 0		$ 0
Restructuring expenses	$ 0	$ 8,673	$ 0
Portable Oxygen Concentrator Business Closure
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		13,900
Inventory write-downs		5,200
Accelerated amortization		5,100
Asset impairments		2,300
Employee-related costs		700
Contract cancellation costs		600
Cost of sales		5,200
Restructuring expenses		$ 8,700