Pension and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2016

Pension and Other Postretirement Benefit Plans [Abstract]

Components of Net Periodic Pension Cost

	Three Months Ended September 30,
	2016		2015		2016		2015
(in millions)	Pension Plans				Postretirement Plans
Service cost - benefits earned during the period	$	0.2	$	0.2	$	-	$	-
Interest cost		7.4		7.4		0.2		0.1
Expected return on plan assets		(7.4)		(8.0)		-		-
Recognized net actuarial loss		2.8		3.1		-		-
Amortization of prior service cost		-		-		(0.3)		(0.3)
Net periodic pension cost (benefit)	$	3.0	$	2.7	$	(0.1)	$	(0.2)
	Nine Months Ended September 30,
	2016		2015		2016		2015
(in millions)	Pension Plans				Postretirement Plans
Service cost - benefits earned during the period	$	0.6	$	0.9	$	-	$	-
Interest cost		22.2		22.0		0.4		0.4
Expected return on plan assets		(22.4)		(23.7)		-		-
Recognized net actuarial loss		8.4		10.9		0.1		0.1
Amortization of prior service cost		-		-		(1.0)		(1.0)
Curtailment gain		-		(1.8)		-		-
Net periodic pension cost (benefit)	$	8.8	$	8.3	$	(0.5)	$	(0.5)