Bankruptcy Accounting - Schedule of Restructuring, Impairment and Abandonment Charges (Details) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Restructuring costs:
Professional fees			$ 5,212,000
Severance and compensation related costs		$ 3,557,000	3,122,000
Total restructuring costs		3,557,000	8,334,000
Impairment costs:
Store long-lived assets			11,656,000
Distribution center long-lived assets			16,794,000
Operating lease right-of-use assets			51,626,000
Intangible asset		1,639,000
Total impairment costs	$ 80,100,000	1,639,000	80,076,000
Abandonment costs:
Accelerated recognition of operating lease right-of-use assets		5,638,000	25,082,000
Total abandonment costs		5,638,000	25,082,000
Total restructuring, impairment and abandonment costs		$ 10,834,000	$ 113,492,000	$ 0