Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Components of net periodic benefit cost

The components of net periodic benefit cost follows:

	Three Months Ended March 31,
(in millions)	2021		2020
Service cost	$	0.7	$	0.7
Interest cost	0.7		1.1
Expected return on plan assets	(2.4)		(2.4)
Amortization of unrecognized loss(1)	1.6		1.4
Settlement expense	0.4		—
Net periodic benefit cost	$	1.0	$	0.8

(1)Includes amortization of unrecognized actuarial (gain) loss and prior service credits and excludes provision for income tax of $(0.4) million and $(0.3) million for the three months ended March 31, 2021, and 2020, respectively.