Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2019

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
	2019			2018			2019			2018
Service cost	$	25.3		$	27.0		$	77.1		$	81.7
Interest on projected benefit obligation		23.7			21.3			71.7			64.3
Expected return on assets		(43.8	)		(43.9	)		(132.3	)		(133.2	)
Amortization of prior service costs		.4			.3			1.1			1.0
Recognized actuarial loss		5.0			8.7			15.3			26.5
Net pension expense	$	10.6		$	13.4		$	32.9		$	40.3