Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

Components of net periodic benefit cost

The components of net periodic benefit cost follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(in millions)	2021		2020		2021		2020
Service cost	$	0.7	$	0.7	$	1.4	$	1.4
Interest cost	0.7		1.2		1.4		2.3
Expected return on plan assets	(2.5)		(2.5)		(4.9)		(4.9)
Amortization of unrecognized loss(1)	1.6		1.3		3.2		2.7
Settlement expense	0.5		—		0.9		—
Net periodic benefit cost	$	1.0	$	0.7	$	2.0	$	1.5

(1)Includes amortization of unrecognized actuarial (gain) loss and prior service credits and excludes provision for income tax of $(0.4) million and $(0.8) million for the three and six months ended June 30, 2021, respectively, and $(0.3) million and $(0.6) million for the three and six months ended June 30, 2020, respectively.