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POST-RETIREMENT BENEFITS (Details) - 401(k) Retirement Savings Plan - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Monthly employee contributions (as a percent of compensation)	20.00%
Monthly matching employer contributions (as a percent of compensation)	4.00%
Selling, General and Administrative Expenses
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Plan expense	$ 9.7	$ 9.2	$ 8.5

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

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