Employee Benefit Plans (Tables)

9 Months Ended

Sep. 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						Nine Months Ended
	September 30						September 30
	2021			2020			2021			2020
Service cost	$	37.6		$	32.8		$	113.0		$	98.0
Interest on projected benefit obligation		16.7			20.8			50.0			62.1
Expected return on assets		(51.1	)		(47.6	)		(153.4	)		(142.3	)
Amortization of prior service costs		.2			.4			.6			1.1
Recognized actuarial loss		14.7			11.1			44.2			33.1
Settlement loss					.5						8.5
Net pension expense	$	18.1		$	18.0		$	54.4		$	60.5