Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2020

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)	2020		2019		2020		2019
Service cost	$	0.8	$	0.7	$	1.5	$	1.4
Interest cost	1.2		1.5		2.3		3.0
Expected return on plan assets	(2.5)		(2.4)		(4.9)		(4.8)
Amortization of unrecognized loss(1)	1.3		0.8		2.7		1.7
Net periodic benefit cost	$	0.8	$	0.6	$	1.6	$	1.3

⁽¹⁾Includes amortization of unrecognized actuarial (gain) loss and prior service credits and excludes provision for income tax of $(0.3) million and $(0.6) million for the three and six months ended June 30, 2020, respectively, and $(0.2) million and $(0.4) million for the three and six months ended June 30, 2019, respectively.