EMPLOYEE BENEFITS (Tables)

3 Months Ended

Sep. 30, 2019

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
	Three Months Ended September 30,
	2019		2018
	(in millions)
Service cost	$	0.6	$	0.8
Interest cost		0.9		0.9
Expected return on plan assets		(1.3)		(1.4)
Amortization of service cost from earlier periods		0.2		0.2
Gain on curtailment(1)		—		(0.4)
Net periodic pension benefit cost	$	0.4	$	0.1

(1) During the three months ended September 30, 2018, the Company approved an amendment to the defined benefit pension plan freezing benefit accruals for certain members of the pension plan as of September 30, 2018. The plan freeze had an immaterial impact to the financial statements for the period ended September 30, 2018.

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
	Three Months Ended September 30,
	2019		2018
	(in millions)
Interest cost	$	0.1		0.1
Net periodic OPEB benefit cost	$	0.1	$	0.1