Pension Plans and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2013

Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure (Tables) Abstract

Schedule Of Defined Benefit Plans Disclosures Text Block

	Pension Benefits				Other Postretirement Benefits
	Three Months Ended				Three Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Service cost - benefits earned during the year	$	10.0	$	8.7	$	0.8	$	0.8
Interest cost on benefits earned in prior years		30.3		33.1		5.6		6.5
Expected return on plan assets		(43.8)		(45.3)		(0.1)		(0.2)
Amortization of prior service cost (credit)		0.7		1.6		(4.5)		(4.6)
Amortization of net actuarial loss		29.2		26.3		4.3		3.7
Total retirement benefit expense	$	26.4	$	24.4	$	6.1	$	6.2

	Pension Benefits				Other Postretirement Benefits
	Six Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Service cost - benefits earned during the year	$	20.0	$	17.5	$	1.6	$	1.6
Interest cost on benefits earned in prior years		60.6		66.2		11.2		13.0
Expected return on plan assets		(87.6)		(90.7)		(0.2)		(0.4)
Amortization of prior service cost (credit)		1.5		3.2		(9.1)		(9.1)
Amortization of net actuarial loss		58.4		52.6		8.6		7.3
Total retirement benefit expense	$	52.9	$	48.8	$	12.1	$	12.4