Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2011

Notes to Financial Statements [Abstract]

Schedule Of Comprehensive Income Loss Table Text Block

			Years Ended December 31,
			2011		2010		2009
				(In thousands)
Net Earnings			$	255,424	$	224,548	$	179,580
	Change in fair value of interest rate hedges, net of tax of $(27,589),
		$(5,237) and $(3,051), respectively		(46,470)		(7,790)		(4,538)
	Reclassification of unrealized loss (gain) on interest rate hedges
		into earnings, net of tax of $9,012, $9,019 and $8,222, respectively		13,443		13,463		12,350
	Change in fair value of commodity hedges, net of tax of $2,598,
		$14,093 and $3,773, respectively		4,610		25,012		6,696
	Reclassification of unrealized (gain) loss on commodity hedges into
		earnings, net of tax of $(8,536), $(6,787) and $(16,231), respectively		(15,149)		(12,046)		(28,804)
	Actuarial gain (loss) relating to pension and other postretirement
		benefits, net of tax of $(24,240), $(4,472) and $6,535, respectively		(38,786)		(5,319)		8,185
	Prior service cost relating to pension and other postretirement
		benefit plan amendments, net of tax of $0, $0 and $(151),
		respectively		-		-		(186)
	Reclassification of net actuarial loss and prior service credit
		relating to pension and other postretirement benefits into
		earnings, net of tax of $2,234, $2,205 and $2,814, respectively		3,174		2,886		4,035
	Change in other comprehensive income (loss) from equity
		investments, net of tax of $88, $88 and $(1,744), respectively		143		142		(2,820)
Total other comprehensive income (loss)				(79,035)		16,348		(5,082)
Total comprehensive income			$	176,389	$	240,896	$	174,498

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The table below presents the components in Accumulated other comprehensive loss as of the
dates indicated.
		December 31,
		2011		2010
			(In thousands)
Interest rate hedges, net		$	(50,259)	$	(17,232)
Commodity hedges, net			(11)		10,528
Benefit plans:
	Net actuarial loss and prior service costs, net - pensions		(51,845)		(32,982)
	Net actuarial gain and prior service credit, net - other postretirement benefits		(14,542)		2,207
Equity investments, net			(2,535)		(2,678)
Total Accumulated other comprehensive loss, net of tax		$	(119,192)	$	(40,157)