TBG DISCONTINUED OPERATIONS AND RESTRUCTURING - Smartstyle Restructuring (Details) $ in Thousands		3 Months Ended	12 Months Ended
		Mar. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Jan. 31, 2018 salon
Restructuring Cost and Reserve [Line Items]
Negative cash flow			$ 56,396	$ 61,211		$ (22,208)
Long-lived fixed asset impairment	[1]		4,587	11,092		11,366
TBG restructuring		$ 20,700	$ 21,816	0		$ 0
Facility Closing
Restructuring Cost and Reserve [Line Items]
Lease termination and other related closure costs				27,300
Deferred rent				(3,300)
Facility Closing | Smartstyle Restructuring
Restructuring Cost and Reserve [Line Items]
Number of non-performing stores | salon							597
Negative cash flow					$ 15,000
Inventory reserves, cost of service				656
Inventory reserve, cost of product				586
Severance				897
Long-lived fixed asset impairment				5,460
Asset retirement obligation				7,680
Lease termination and other related closure costs				27,290
Deferred rent				(3,291)
Total				39,278
TBG restructuring				$ 1,900

[1] In fiscal year 2017, $3.4 million of salon asset impairments were classified as discontinued operations. There were no other significant non-cash activities related to discontinued operations in the years presented.