Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2022

Compensation And Retirement Disclosure [Abstract]

Components of Net Pension Expense

The following information details the components of net pension expense for the Company’s defined benefit plans:

	Three Months Ended						Nine Months Ended
	September 30						September 30
	2022			2021			2022			2021
Service cost	$	37.7		$	37.6		$	113.5		$	113.0
Interest on projected benefit obligation		21.0			16.7			63.9			50.0
Expected return on assets		(53.2	)		(51.1	)		(162.0	)		(153.4	)
Amortization of prior service costs		.2			.2			.5			.6
Recognized actuarial loss		7.1			14.7			21.7			44.2
Net pension expense	$	12.8		$	18.1		$	37.6		$	54.4