EMPLOYEE BENEFIT PLANS - Reconciliations of Level 3 Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets - beginning balance	$ 262.2	$ 234.6
Return on plan assets	3.5	18.8
Effect of exchange rates	0.1	2.5
Fair value of plan assets - ending balance	268.9	262.2
International \| Pension Plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets - beginning balance	261.8	234.2
Return on plan assets	3.5	18.8
Effect of exchange rates	0.1	2.5
Fair value of plan assets - ending balance	268.5	261.8
International \| Pension Plans \| Insurance contracts and other \| Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets - beginning balance	143.7	130.2
Plan assets from acquisitions	0.0	0.0
Return on plan assets	(0.2)	14.0
Purchases, sales and settlements, net	(2.5)	3.9
Effect of exchange rates	2.2	(4.4)
Fair value of plan assets - ending balance	$ 143.2	$ 143.7

Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.

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- Definition

Amount of increase in plan assets of defined benefit plan from business combination.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan.

+ References

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- Definition

Amount, measured using unobservable input, of increase (decrease) in plan asset of defined benefit plan from purchase, sale and settlement of trade associated with underlying investment.

+ References

+ Details

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