Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2020

Retirement Benefits [Abstract]

Components of net periodic benefit cost

The components of net periodic benefit cost follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in millions)	2020		2019		2020		2019
Service cost	$	0.7	$	0.7	$	2.2	$	2.1
Interest cost	1.1		1.6		3.4		4.6
Expected return on plan assets	(2.4)		(2.4)		(7.3)		(7.2)
Amortization of unrecognized loss(1)	1.3		0.8		4.0		2.5
Net periodic benefit cost	$	0.7	$	0.7	$	2.3	$	2.0

⁽¹⁾Includes amortization of unrecognized actuarial loss and prior service credits and excludes provision for income tax of $(0.4) million and $(1.0) million for the three and nine months ended September 30, 2020, respectively, and $(0.2) million and $(0.6) million for the three and nine months ended September 30, 2019, respectively.