Pension Plans And Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2012

Pension Plans And Other Postretirement Benefits [Abstract]

Components Of Net Periodic Benefit Costs

					Pension Benefits
		Six Months Ended						Three Months Ended
		June 30,						June 30,
		2012			2011			2012			2011
Service cost	$	2,536		$	2,087		$	1,287		$	1,044
Interest cost		6,523			5,928			3,258			2,964
Expected return on plan assets		(6,732	)		(5,191	)		(3,482	)		(2,596	)
Amortization of prior service cost		119			87			72			43
Amortization of actuarial loss		3,516			2,033			1,654			1,016
Capitalized costs		(1,808	)		(1,808	)		(924	)		(951	)
Settlement charge		4,980			-			4,980			-
Curtailment credit		(480	)		-			(480	)		-
		8,654			3,136			6,365			1,520
Less discontinued operations		4,876			574			4,594			287
Net periodic benefit cost	$	3,778		$	2,562		$	1,771		$	1,233

					Other
					Postretirement Benefits
		Six Months Ended						Three Months Ended
		June 30,						June 30,
		2012			2011			2012			2011
Service cost	$	659		$	751		$	322		$	376
Interest cost		1,316			1,623			616			812
Expected return on plan assets		(1,067	)		(1,243	)		(529	)		(621	)
Amortization of transition obligation		18			69			-			34
Amortization of prior service cost		(104	)		(178	)		(36	)		(89	)
Amortization of actuarial loss		536			411			268			206
Amortization of regulatory asset		68			68			34			34
Capitalized costs		(330	)		(343	)		(167	)		(188	)
Settlement charge		325			-			325			-
		1,421			1,158			833			564
Less discontinued operations		390			98			337			49
Net periodic benefit cost	$	1,031		$	1,060		$	496		$	515