Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2017

Compensation And Retirement Disclosure [Abstract]

Components of Estimated Net Pension and Other Postretirement Benefit Plan Income

The components of the estimated net pension and other postretirement benefits plan income for the three months ended March 31, 2017 and 2016 were as follows:

	Three Months Ended
	March 31,
	2017			2016
Pension expense (income)
Service cost	$	0.2		$	0.3
Interest cost		7.8			35.1
Expected return on plan assets		(12.3	)		(57.7	)
Amortization, net		1.7			7.8
Less: income attributable to discontinued operations		—			11.2
Net pension income - continuing operations	$	(2.6	)	$	(3.3	)
Other postretirement benefits plan expense (income)
Service cost	$	0.3		$	1.0
Interest cost		2.8			3.0
Expected return on plan assets		(3.4	)		(3.4	)
Amortization, net		(0.7	)		(4.0	)
Net other postretirement benefit income - continuing operations	$	(1.0	)	$	(3.4	)