Goodwill and Asset Impairments (Tables)

12 Months Ended

Dec. 31, 2013

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Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the year ended Dec. 31, 2012 are represented in the following table:

(millions)	TPS GO			TPS SJI			Total
Balance as of Jan. 1, 2012	$	3.1		$	52.3		$	55.4
Impairment losses, pretax		(3.1	)		(12.1	)		(15.2	)
Goodwill written off upon sale, pretax		0.0			(40.2	)		(40.2	)
Balance as of Dec. 31, 2012	$	0.0		$	0.0		$	0.0