Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2020

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
	2020			2019			2020			2019
Service cost	$	32.8		$	25.3		$	98.0		$	77.1
Interest on projected benefit obligation		20.8			23.7			62.1			71.7
Expected return on assets		(47.6	)		(43.8	)		(142.3	)		(132.3	)
Amortization of prior service costs		.4			.4			1.1			1.1
Recognized actuarial loss		11.1			5.0			33.1			15.3
Settlement loss		.5						8.5
Net pension expense	$	18.0		$	10.6		$	60.5		$	32.9