Restructuring Expenses (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 0	$ 0	$ 0	$ 8,673
Portable Oxygen Concentrator Business Closure
Restructuring Cost and Reserve [Line Items]
Restructuring expenses		13,900		13,900
Inventory write-downs		5,200		5,200
Accelerated amortization		5,100		5,100
Asset impairments		2,300		2,300
Employee-related costs		700		700
Contract cancellation costs		600		600
Cost of sales		5,200		5,200
Restructuring expenses		$ 8,700		$ 8,700