BUSINESS COMBINATIONS - ghd Acquisition (Details) £ in Millions			3 Months Ended		9 Months Ended
	Nov. 21, 2016 USD ($)	Nov. 21, 2016 GBP (£)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Feb. 01, 2017 USD ($)
Business Acquisition [Line Items]
Acquisition-related costs			$ 57,700,000	$ 37,000,000	$ 275,100,000	$ 98,300,000
ghd
Business Acquisition [Line Items]
Net assets acquired (percent)	100.00%	100.00%
Goodwill to be tax deductible							$ 0
Total consideration to acquire business	$ 531,500,000	£ 430.2
Revenue since acquisition			45,200,000		89,600,000
Earnings (loss) of acquire since acquisition			(41,600,000)		(47,900,000)
Acquisition-related costs			3,100,000		4,900,000
ghd | Fair Value Purchase Price Adjustments
Business Acquisition [Line Items]
Earnings (loss) of acquire since acquisition			$ (26,000,000)		$ (39,800,000)