Restructuring - Narrative (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2019 showroom	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Restructuring Expense and Other Related Items
Restructuring expense		$ 10,727	$ 8,489	$ 937
Number of closed showrooms | showroom	4
Transformation Restructuring Plan
Restructuring Expense and Other Related Items
Restructuring expense		1,902	$ 8,489	$ 937
Annual pre-tax operating income savings		16,000
Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring expense		$ 8,825
Percentage of restructuring costs expected in cash		65.00%
Minimum | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Expected restructuring costs		$ 16,000
Expected restructuring costs for fiscal 2022		6,000
Restructuring and related cost expected after fiscal year 2022		2,000
Minimum | Transformation Restructuring Plan Phase 2 | Severance and other employee related costs
Restructuring Expense and Other Related Items
Expected restructuring costs		5,000
Minimum | Transformation Restructuring Plan Phase 2 | Facility exit and other costs
Restructuring Expense and Other Related Items
Expected restructuring costs		5,000
Minimum | Transformation Restructuring Plan Phase 2 | Lease asset impairment
Restructuring Expense and Other Related Items
Expected restructuring costs		6,000
Maximum | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Expected restructuring costs		18,000
Maximum | Transformation Restructuring Plan Phase 2 | Severance and other employee related costs
Restructuring Expense and Other Related Items
Expected restructuring costs		5,500
Maximum | Transformation Restructuring Plan Phase 2 | Facility exit and other costs
Restructuring Expense and Other Related Items
Expected restructuring costs		6,000
Maximum | Transformation Restructuring Plan Phase 2 | Lease asset impairment
Restructuring Expense and Other Related Items
Expected restructuring costs		$ 6,500