Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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REVENUE AND CONTRACT COSTS (Contract Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Minimum
Contract Costs
Amortization period	12 months
Maximum
Contract Costs
Amortization period	48 months
Selling, general and administrative expenses
Contract Costs
Amortization of deferred contract costs	$ 7.8	$ 8.7	$ 8.3
Other current assets
Contract Costs
Short-term unamortized contract costs	5.7	7.1
Other assets
Contract Costs
Long term unamortized contract costs	$ 3.8	$ 5.6