Employee Benefit Plans (Tables)

6 Months Ended

Jun. 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						Six Months Ended
	June 30						June 30
	2022			2021			2022			2021
Service cost	$	43.3		$	39.4		$	75.8		$	75.4
Interest on projected benefit obligation		23.8			16.7			42.9			33.3
Expected return on assets		(60.1	)		(51.2	)		(108.8	)		(102.3	)
Amortization of prior service costs		.2			.2			.3			.4
Recognized actuarial loss		9.0			15.3			14.6			29.5
Net pension expense	$	16.2		$	20.4		$	24.8		$	36.3