LEASES - Lease Costs and Other Information (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2020 USD ($)
Business Acquisition [Line Items]
Operating lease cost	$ 68,705
Short-term lease cost	1,178
Variable lease cost	3,536
Sublease income	(6,035)
Total lease cost	$ 67,384
Weighted-average remaining lease term	6 years 2 months 4 days
Weighted-average discount rate	3.12%
Supplemental Cash Flow Information
Cash paid for amounts included in the measurement of operating lease liabilities:	$ 71,900
Right of use assets obtained in exchange for new operating lease liabilities:	32,328
Carbonite
Supplemental Cash Flow Information
ROU assets acquired	60,100
XMedius
Supplemental Cash Flow Information
ROU assets acquired	$ 2,900