EMPLOYEE BENEFITS (Tables)

12 Months Ended

Jun. 30, 2019

Defined Benefit Plans and Other Postretirement Benefit Plans [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
	As of June 30,
	2019		2018
		(in millions)
Change in projected benefit obligation for defined benefit pension plans:
Projected benefit obligation at beginning of period	$	113.5	$	6.7
Service cost		2.8		2.7
Interest cost		3.7		2.5
Actuarial loss		3.8		9.3
Participant contributions		0.6		0.6
Benefits paid from plan assets		(1.5)		(3.3)
Acquisition transfer		—		97.6
Curtailments		(2.3)		—
Settlements		(8.3)		(2.5)
Foreign currency exchange rate changes		0.4		(0.1)
Projected benefit obligation at end of period	$	112.7	$	113.5

	OPEB Plans
	As of June 30,
	2019		2018
		(in millions)
Change in projected benefit obligation for OPEB plans:
Projected benefit obligation at beginning of period	$	10.0	$	9.9
Service cost		0.1		0.1
Interest cost		0.3		0.3
Actuarial loss		0.8		0.4
Benefits paid by Company		(0.6)		(0.6)
Foreign currency exchange rate changes		—		(0.1)
Projected benefit obligation at end of period	$	10.6	$	10.0

The accumulated benefit obligation of the defined benefit plan at June 30, 2019 and June 30, 2018 is $106.6 million and $103.9 million, respectively.  The accumulated benefit obligation of the OPEB plan at June 30, 2019 and June 30, 2018 is $10.6 million and $10.0 million, respectively.

	Pension Plans
	As of June 30,
	2019		2018
		(in millions)
Change in pension plan assets:
Fair value of plan assets at beginning of period	$	93.5	$	3.7
Acquisition transfer		—		89.8
Return on plan assets		5.7		2.4
Employer contributions		3.1		2.9
Participant contributions		0.6		0.6
Benefits paid from plan assets		(1.5)		(3.3)
Settlements		(8.3)		(2.6)
Foreign currency exchange rate changes		0.3		—
Fair value of pension plan assets at end of period	$	93.4	$	93.5

The unfunded status of the projected benefit obligation at June 30, 2019 and June 30, 2018 was $19.3 million and $20.0 million, respectively, which was recorded as other long-term liabilities.

	Pension Plans
	As of June 30,
		2019		2018
	(in millions)
Projected benefit obligation	$	112.7	$	113.5
Fair value of plan assets		93.4		93.5
Unfunded status		19.3		20.0
Current portion of unfunded status	$	—	$	—
Non-current portion of unfunded status	$	19.3	$	20.0

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

	As of June 30, 2018		Recognition of Net Periodic Benefits Expense		Deferrals		Net Change in AOCI		As of June 30, 2019
	(in millions)
Accumulated other comprehensive loss:
Pension plans:
Net actuarial loss	$	(11.2)	$	—	$	(0.4)	$	(0.4)	$	(11.6)
Prior service cost		(7.4)		(0.2)		—		(0.2)		(7.6)
Deferred income tax benefit		5.5		—		0.2		0.2		5.7
Total pension plans		(13.1)		(0.2)		(0.2)		(0.4)		(13.5)
OPEB plans:
Net actuarial loss		(1.6)		—		(0.8)		(0.8)		(2.4)
Deferred income tax benefit		0.4		—		—		—		0.4
Total OPEB plans		(1.2)		—		(0.8)		(0.8)		(2.0)
Total accumulated other comprehensive loss	$	(14.3)	$	(0.2)	$	(1.0)	$	(1.2)	$	(15.5)

	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	$	—	$	—	$	(11.2)	$	(11.2)	$	(11.2)
Prior service benefit/(cost)		—		0.4		(7.8)		(7.4)		(7.4)
Deferred income tax (expense)/benefit		—		(0.1)		5.6		5.5		5.5
Total pension plans		—		0.3		(13.4)		(13.1)		(13.1)
OPEB plans:
Net actuarial loss		(1.2)		—		(0.4)		(0.4)		(1.6)
Deferred income tax benefit		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	$	0.9
Amortization of net loss		0.1
Total expected amortization amounts during Fiscal 2020	$	1.0

Schedule of expected benefit payments

	Pension Plans		OPEB Plans
	(in millions)
Year ended June 30,
2020	$	2.4	$	0.5
2021		2.7		0.5
2022		3.0		0.5
2023		3.3		0.5
2024		3.5		0.5
2025-2029		21.9		2.4

Schedule of expected contributions

	Pension Plans		OPEB Plans
	(in millions)
Employer	$	3.3		0.5
Plan participants		0.6		—
Total expected contributions during Fiscal 2020	$	3.9	$	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, 2019 and June 30, 2018:

	As of June 30,
	2019		2018
Fixed income		40%		40%
Equities		55%		55%
Other		5%		5%
Total		100%		100%

Schedule of the fair value of plan assets valued at NAV by category for the pension and OPEB plans

The table below presents the fair value of plan assets valued at NAV by category for the pension and OPEB plans at June 30, 2019 and June 30, 2018

	As of June 30,
	2019		2018
	(in millions)
Fixed income	$	37.4	$	33.1
Equities		50.6		55.2
Other		5.4		5.2
Total	$	93.4	$	93.5

Pension Plans

Defined Benefit Plans and Other Postretirement Benefit Plans [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, 2019		Year Ended June 30, 2018
	( in millions)
Service cost	$	2.8	$	2.7
Interest cost		3.7		2.5
Expected return on plan assets		(5.3)		(3.8)
Amortization of service cost from earlier periods		0.8		0.4
Cost of curtailment		(1.0)		—
Cost of settlements		0.8		0.2
Net periodic pension benefit cost	$	1.8	$	2.0

OPEB Plans

Defined Benefit Plans and Other Postretirement Benefit Plans [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, 2019		Year Ended June 30, 2018
	(in millions)
Service cost	$	0.1	$	0.1
Interest cost		0.3		0.3
Net periodic pension benefit cost	$	0.4	$	0.4