Investment in ATC (Tables)

9 Months Ended

Sep. 30, 2013

Equity Method Investments and Joint Ventures [Abstract]

ATC's Summarized Financial Data

ATC's summarized financial data for the three and nine months endedSeptember 30, 2013 and 2012, is as follows:

		Three Months Ended				Nine Months Ended
		September 30,				September 30,
(In thousands)		2013		2012		2013		2012
Operating revenues	$	160,480	$	150,303	$	464,345	$	450,136
Operating expenses		(77,595)		(68,813)		(217,240)		(210,139)
Other income (expense), net		917		(5)		585		(832)
Interest expense, net		(21,136)		(20,983)		(63,232)		(61,260)
Earnings before members' income taxes	$	62,666	$	60,502	$	184,458	$	177,905