Restructuring - Narrative (Details) $ in Thousands	3 Months Ended				9 Months Ended
	Mar. 31, 2021 USD ($)	Sep. 30, 2020	Mar. 31, 2020 USD ($)	Sep. 30, 2019 showroom	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)
Restructuring Expense and Other Related Items
Restructuring expense	$ 2,617		$ 818		$ 8,473	$ 6,564
Number of closed showrooms | showroom				4
Restructuring period (in years)		2 years
Transformation Restructuring Plan Phase 1
Restructuring Expense and Other Related Items
Restructuring expense	148		$ 818		1,272	$ 6,564
Restructuring and related expected costs	11,300				$ 11,300
Percentage of restructuring costs expected in cash					55.00%
Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring expense	2,469				$ 7,201
Percentage of restructuring costs expected in cash					70.00%
Effect on future earnings, amount					$ 16,000
Severance and other employee related costs | Transformation Restructuring Plan Phase 1
Restructuring Expense and Other Related Items
Restructuring and related expected costs	3,600				3,600
Facility exit costs and other cash charges | Transformation Restructuring Plan Phase 1
Restructuring Expense and Other Related Items
Restructuring and related expected costs	3,600				3,600
Impairment of assets and accelerated depreciation | Transformation Restructuring Plan Phase 1
Restructuring Expense and Other Related Items
Restructuring and related expected costs	4,100				4,100
Minimum | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring and related expected costs	15,000				15,000
Restructuring and related cost expected cost, fiscal 2021	9,000				9,000
Minimum | Severance and other employee related costs | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring and related expected costs	6,000				6,000
Minimum | Facility exit costs and other cash charges | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring and related expected costs	3,800				3,800
Minimum | Impairment of assets and accelerated depreciation | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring and related expected costs	5,200				5,200
Maximum | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring and related expected costs	16,000				16,000
Restructuring and related cost expected cost, fiscal 2021	10,000				10,000
Maximum | Severance and other employee related costs | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring and related expected costs	6,300				6,300
Maximum | Facility exit costs and other cash charges | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring and related expected costs	4,400				4,400
Maximum | Impairment of assets and accelerated depreciation | Transformation Restructuring Plan Phase 2
Restructuring Expense and Other Related Items
Restructuring and related expected costs	$ 5,300				$ 5,300