Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Postretirement Benefits [Abstract]

Change In Benefit Obligation And Fair Value Of Plan Assets

		0000000			0000000
	2011			2010
	(Amounts are in thousands)
Change in benefit obligation:
Benefit obligation as of beginning of year	$	94,776			86,890
Service cost		163			175
Interest cost		5,301			5,291
Actuarial loss		10,530			5,046
Benefit payments		(3,146	)		(2,626	)
Benefit obligation as of end of year		107,624			94,776
Change in fair value of plan assets:
Fair value of plan assets as of beginning of year		---			---
Employer contributions		3,146			2,626
Benefit payments		(3,146	)		(2,626	)
Fair value of plan assets as of end of year		---			---
Unfunded status of the plan as of end of year	$	107,624			94,776
Current liability	$	4,029			3,841
Noncurrent liability		103,595			90,935
Total recognized liability	$	107,624			94,776

Estimated Benefit Payments

Year
(Amounts are in thousands)
2012	$	4,029
2013		4,291
2014		4,539
2015		4,776
2016		5,002
2017 through 2021		28,663
Thereafter		56,324
	$	107,624

Postretirement Benefit Cost Components

		00000		00000		00000
	2011		2010		2009
	(Amounts are in thousands)
Service cost	$	163		175		194
Interest cost		5,301		5,291		5,204
Amortization of actuarial losses		1,071		95		---
Net periodic postretirement benefit cost	$	6,535		5,561		5,398

Actuarial Assumptions In Calculation Of Year End Benefit Obligation

	2011		2010		2009
Discount rate		4.6%		5.7%		6.2%
Rate of compensation increase		4.0%		4.0%		4.0%

Actuarial Assumptions In Calculation Of Net Periodic Postretirement Benefit Cost

	2011		2010		2009
Discount rate		5.7%		6.2%		6.4%
Rate of compensation increase		4.0%		4.0%		4.0%