Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2011

Commitments and Contingencies (Tables) [Abstract]

Purchase Contracts

(In thousands)		2012		2013		2014		2015		2016
Coal(a)	$	25,087	$	19,101	$	3,599	$	0	$	0
Natural Gas
Transportation and storage(b)		17,285		17,037		16,843		16,688		9,075
Supply(c)		16,062		0		0		0		0
Purchase Power(d)		37,507		45,739		43,056		40,717		41,357
Other		948		0		0		0		0
	$	96,889	$	81,877	$	63,498	$	57,405	$	50,432

Chattel Paper Principal Payments

(In thousands)		2012		2013		2014		2015		2016
Principal payments	$	563	$	633	$	447	$	758	$	682

Leases

(In thousands)		2012		2013		2014		2015		2016		Thereafter
Minimum lease payments	$	2,595	$	2,409	$	1,462	$	1,025	$	785	$	9,264