Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2021

Compensation And Retirement Disclosure [Abstract]

Schedule of Costs of Retirement Plans

The following table presents the components of our Company-sponsored pension plans:

	Three Months						Nine Months
(in millions)	2021			2020			2021			2020
Interest cost	$	7.7		$	9.1		$	23.0		$	28.3
Expected return on plan assets		(12.0	)		(15.5	)		(36.0	)		(45.3	)
Amortization of prior service credit		(0.1	)		(0.1	)		(0.3	)		(0.3	)
Amortization of prior net pension loss		3.0			3.5			9.1			11.0
Settlement adjustment		3.1			1.9			3.4			1.9
Total net periodic pension expense (benefit)	$	1.7		$	(1.1	)	$	(0.8	)	$	(4.4	)