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INCOME TAXES - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Income Tax Disclosure [Abstract]      
Effective tax rate, increase (decrease) (1.30%)    
Effective tax rate 9.70% 11.00% 11.00%
Valuation allowance, deferred tax asset, increase (decrease) $ 0.3    
Undistributed earnings of foreign subsidiaries that the Company intends to reinvest indefinitely 811.5    
Amount of unrecognized tax benefits that would affect the effective tax rate if recognized 27.4    
Interest accrued related to uncertain tax matters $ 2.4    
Settlement with taxing authority of statute lapses      
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]      
Decrease in unrecognized tax benefits is reasonably possible     $ 3.4