Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2021

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
	2021			2020			2021			2020
Service cost	$	39.4		$	32.3		$	75.4		$	65.2
Interest on projected benefit obligation		16.7			20.7			33.3			41.3
Expected return on assets		(51.2	)		(47.3	)		(102.3	)		(94.7	)
Amortization of prior service costs		.2			.3			.4			.7
Recognized actuarial loss		15.3			11.7			29.5			22.0
Settlement loss					1.0						8.0
Net pension expense	$	20.4		$	18.7		$	36.3		$	42.5