BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Advertising, Income Taxes, Foreign Currency Translation (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Advertising
Advertising costs	$ 35.5	$ 38.7	$ 40.6
Advertising Funds
Total contributions to franchise brand advertising funds	17.5	18.0	18.6
Advertising funds, assets	23.3	24.1
Advertising funds, liabilities	23.3	24.1
Valuation and Qualifying Accounts [Abstract]
Establishment of valuation allowance against U.S. & U.K. deferred tax assets		2.1	86.6
Foreign Currency Translation
Foreign currency gain (loss)	$ 0.3	$ (1.3)	$ 0.1