Pension Plans (Tables)

3 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The aggregate net pension expense relating to these two plans is as follows (in millions):

	Three Months Ended June 30,
	2019		2018
Service costs	$	0.4	$	0.4
Interest costs	0.2		0.3
Amortization of actuarial loss	0.2		0.3
Net pension period cost	$	0.8	$	1.0