PENSIONS AND OTHER POST-RETIREMENT BENEFITS (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2015 |
|
401(k) Retirement Savings Plan | |||
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% | ||
401(k) Retirement Savings Plan | Selling, General and Administrative Expenses | |||
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||
Plan expense | $ 9.2 | $ 8.5 | $ 6.6 |
Pension Plan | |||
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||
Monthly employee contributions (as a percent of compensation) | 5.00% | ||
Pension Plan | Selling, General and Administrative Expenses | |||
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | |||
Plan expense | $ 3.9 |