Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2017

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures

Net periodic benefit cost (income) for pension and other postretirement benefits was as follows:

	Three Months Ended March 31,
	2017			2016
Pension Benefits
Service cost	$	0.7		$	0.7
Interest cost	27.0			32.0
Expected return on assets	(37.6		)	(42.9		)
Amortization of prior service cost	1.2			1.3
Amortization of loss	2.7			7.0
Net periodic benefit cost (income)	$	(6.0	)	$	(1.9	)
Other Postretirement Benefits
Service cost	$	1.2		$	1.2
Interest cost	4.3			5.0
Amortization of prior service cost (credit)	(14.6		)	(15.1		)
Amortization of (gain) loss	(1.1		)	(1.1		)
Net periodic benefit cost (income)	$	(10.2	)	$	(10.0	)