Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2019

Compensation And Retirement Disclosure [Abstract]

Components of Estimated Net Pension Plan Income

The components of the estimated net pension plan income for DFIN’s pension plans for the three months ended March 31, 2019 and 2018 were as follows:  

	Three Months Ended
	March 31,
	2019			2018
Pension expense (income)
Interest cost	$	2.8		$	2.6
Expected return on assets		(3.7	)		(4.0	)
Amortization, net		0.4			0.6
Net pension income	$	(0.5	)	$	(0.8	)