Restructuring Expenses (Narrative) (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 8,673	$ 8,673
Restructuring liability	2,600	2,600
Portable Oxygen Concentrator Business Closure [Member]
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
Restructuring expenses		$ 8,700