Defined Benefit Plan (Tables)

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Components of net periodic benefit cost

The components of net periodic benefit cost follows:

	Three Months Ended March 31,
(in millions)	2020		2019
Service cost	$	0.7	$	0.7
Interest cost	1.1		1.5
Expected return on plan assets	(2.4)		(2.4)
Amortization of unrecognized loss(1)	1.4		0.9
Net periodic benefit cost	$	0.8	$	0.7

⁽¹⁾Includes amortization of unrecognized actuarial (gain) loss and prior service credits and excludes provision for income tax of $(0.3) million and $(0.2) million for the three months ended March 31, 2020, and 2019, respectively.