Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2013

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Components Of Net Periodic Benefit Costs

The components of net periodic benefit (credit) cost included in the consolidated statements of income for the three months ended September 30, 2013 and 2012 are as follows:

	Pension Benefits						Other Benefits
	2013			2012			2013			2012
Service cost	$	3.5		$	4.1		$	1.6		$	1.7
Interest cost	17.2			19.1			5.6			6.8
Expected return on assets	(33.2		)	(33.7		)	(5.5		)	(5.2		)
Recognized actuarial loss	6.1			7.6			2.8			3.5
Settlement loss	2.6			4.0			—			—
Amortization of prior service credit	(0.2		)	(0.2		)	(3.3		)	(3.3		)
Net periodic benefit (credit) cost	$	(4.0	)	$	0.9		$	1.2		$	3.5

The components of net periodic benefit (credit) cost included in the consolidated statements of income for the nine months ended September 30, 2013 and 2012 are as follows:

	Pension Benefits						Other Benefits
	2013			2012			2013			2012
Service cost	$	10.8		$	12.3		$	5.0		$	5.1
Interest cost	50.6			57.4			16.8			20.6
Expected return on assets	(99.8		)	(101.0		)	(16.5		)	(15.7		)
Recognized actuarial loss	23.2			22.8			8.4			10.6
Settlement loss	9.7			10.6			—			—
Amortization of prior service credit	(0.6		)	(0.6		)	(10.0		)	(10.0		)
Net periodic benefit (credit) cost	$	(6.1	)	$	1.5		$	3.7		$	10.6