EMPLOYEE BENEFITS (Tables)

12 Months Ended

Jun. 30, 2018

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of changes in benefit obligations, fair value of plan assets and the unfunded status for the Company's defined benefit pension and postretirement benefit plans

The following tables provide a reconciliation of the changes in the benefit obligations, fair value of plan assets and the unfunded status for the Company’s defined benefit pension and OPEB, where applicable:

	Pension Plans
	(in millions)
Change in projected benefit obligation for defined benefit pension plans:
Projected benefit obligation at July 1, 2017	$	6.7
Service cost		2.7
Interest cost		2.5
Actuarial loss (gain)		9.3
Participant contributions		0.6
Benefits paid from plan assets		(3.3)
Acquisition transfer		97.6
Settlements		(2.5)
Foreign currency exchange rate changes		(0.1)
Projected benefit obligation at June 30, 2018	$	113.5

	OPEB Plans
	(in millions)
Change in projected benefit obligation for OPEB plans:
Projected benefit obligation at July 1, 2017	$	9.9
Service cost		0.1
Interest cost		0.3
Actuarial loss (gain)		0.4
Benefits paid by Company		(0.6)
Foreign currency exchange rate changes		(0.1)
Projected benefit obligation at June 30, 2018	$	10.0

The accumulated benefit obligation of the defined benefit plan and OPEB at June 30, 2018 are $103.9 million and $10.0 million, respectively.

	Pension Plans
	(in millions)
Change in pension plan assets:
Fair value of plan assets at July 1, 2017	$	3.7
Acquisition transfer		89.8
Return on plan assets		2.4
Employer contributions		2.9
Participant contributions		0.6
Benefits paid from plan assets		(3.3)
Settlements		(2.6)
Fair value of pension plan assets at June 30, 2018	$	93.5

The unfunded status of the projected benefit obligation at June 30, 2018 was $20.0 million, which was recorded as other long-term liabilities.

	Pension Plans
	As of June 30, 2018
	(in millions)
Projected benefit obligation	$	113.5
Fair value of plan assets		93.5
Unfunded status		20.0
Current portion of unfunded status	$	—
Non-current portion of unfunded status	$	20.0

Schedule of accumulated other comprehensive loss ("AOCI") that have not yet been recognized

	As of June 30, 2017		Recognition of Net Periodic Benefits Expense		Deferrals		Net Change in AOCI		As of June 30, 2018
	(in millions)
Accumulated other comprehensive loss:
Pension plans:
Net actuarial (loss)/gain	$	—	$	—	$	(11.2)	$	(11.2)	$	(11.2)
Prior service benefit/(cost)		—		0.4		(7.8)		(7.4)		(7.4)
Deferred income tax benefit/(expense)		—		(0.1)		5.6		5.5		5.5
Total pension plans		—		0.3		(13.4)		(13.1)		(13.1)
OPEB plans:
Net actuarial (loss)/gain		(1.2)		—		(0.4)		(0.4)		(1.6)
Prior service (cost)/benefit		—		—		—		—		—
Deferred income tax benefit/(expense)		0.4		—		—		—		0.4
Total OPEB plans		(0.8)		—		(0.4)		(0.4)		(1.2)
Total accumulated other comprehensive loss	$	(0.8)	$	0.3	$	(13.8)	$	(13.5)	$	(14.3)

Schedule of expected amortization

	Pension Plans
	(in millions)
Amortization of net prior service cost/(benefit)	$	0.7
Total expected amortization amounts during fiscal year 2019	$	0.7

Schedule of Expected Benefit Payments

	Pension Plans		OPEB Plans
	(in millions)
Year ended June 30,
2019	$	2.2	$	0.5
2020		2.4		0.5
2021		2.7		0.5
2022		2.9		0.5
2023		3.1		0.5
2024-2028		19.0		2.3

Schedule expected contributions

	Pension Plans		OPEB Plans
	(in millions)
Employer	$	2.9	$	0.5
Plan participants		0.5		—
Total expected contributions during fiscal year 2019	$	3.4	$	0.5

Schedule of assumptions used in determining benefit obligations

	Pension Plans		OPEB Plans
Actuarial assumptions:
Discount rate		3.25%		3.25%
Price inflation		1.75%		N/A
Expected long-term rate of return on plan assets		5.7%		N/A
Rate of compensation increase		2.5%		N/A

Schedule of targets for the allocation of invested defined benefit pension plan assets and fair value of plan assets

The following table presents the Company’s target for the allocation of invested defined benefit pension plan assets at June 30, 2018:

	As of June 30, 2018
Fixed income		40%
Equities		55%
Other		5%
Total		100%

The plans assets are invested in various fund categories utilizing multiple strategies and investment managers. Interests in funds are valued using the net asset value ("NAV") per unit of each fund. The NAV reported by the fund manager is based on the market value of the underlying investments owned by each fund, minus its liabilities, divided by the number of shares outstanding.  These funds can be redeemed at NAV, generally at any time.  As the funds do not publish publicly available prices, the NAV practical expedient is the most appropriate fair value classification for theplan asset investments. The value associated with these investments is disclosed in the reconciliation of the total investments measured at fair value shown below.

The table below presents the fair value of plan assets valued at NAV by category for the pension and OPEB plans at June 30, 2018.

	As of June 30, 2018
	(in millions)
Fixed income	$	33.1
Equities		55.2
Other		5.2
Total	$	93.5

Pension Plans

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of net periodic (benefit) cost of the defined benefit pension and OPEB is included in selling, general and administrative expenses

	Pension Plans
	Year ended June 30, 2018
	( in millions)
Service cost	$	2.7
Interest cost		2.5
Expected return on plan assets		(3.8)
Amortization of service cost from earlier periods		0.4
Cost of settlements		0.2
Net periodic pension benefit cost	$	2.0

OPEB Plans

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of net periodic (benefit) cost of the defined benefit pension and OPEB is included in selling, general and administrative expenses

	OPEB Plans
	Year ended June 30, 2018
	(in millions)
Service cost	$	0.1
Interest cost		0.3
Net periodic pension benefit cost	$	0.4