Note 7 - Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

	Pension Benefits						Other Benefits
(In thousands)	2012			2011			2012			2011
Change in benefit obligation:
Benefit obligation at beginning of year	$	454,904		$	412,135		$	39,599		$	42,160
Service cost		-			-			101			226
Interest cost		21,162			22,426			1,547			1,910
Participant contributions		-			-			1,462			1,450
Plan amendments		-			-			(3,518	)		-
Actuarial loss (gain)		60,494			41,803			(812	)		(2,155	)
Benefit payments, net of subsidy		(23,658	)		(21,460	)		(3,758	)		(3,992	)
Curtailments		-			-			(7,183	)		-
Benefit obligation at end of year	$	512,902		$	454,904		$	27,438		$	39,599

Schedule of Changes in Fair Value of Plan Assets [Table Text Block]

	Pension Benefits						Other Benefits
(In thousands)	2012			2011			2012			2011
Change in plan assets:
Fair value of plan assets at beginning of year	$	273,549		$	286,208		$	-		$	-
Actual return on plan assets		35,213			(4,076	)					-
Employer contributions		11,930			12,877			2,591			2,915
Participant contributions		-			-			1,462			1,450
Benefit payments		(23,658	)		(21,460	)		(4,053	)		(4,365	)
Fair value of plan assets at end of year	$	297,034		$	273,549		$	-		$	-

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

	2012				2011
	Level 1		Level 2		Level 1		Level 2
U.S. Small/Mid Cap Equity	$	29,600	$	-	$	27,919	$	-
U.S. Large Cap Equity		42,456		69,810		38,208		63,108
International/Global Equity		12,993		44,920		11,902		39,403
Fixed Income		69,018		23,567		65,507		23,391

Schedule of Allocation of Plan Assets [Table Text Block]

	Asset allocation Range				Percentage of Plan Assets at Year End
Asset Category	2013				2012			2011
Equity securities		60%	-	75%		67	%		66	%
Fixed income securities/cash		25%	-	45%		33	%		34	%
Total						100	%		100	%

Schedule of Net Funded Status [Table Text Block]

	Pension Benefits						Other Benefits
(In thousands)	2012			2011			2012			2011
Amounts recorded in the balance sheet:
Current liabilities	$	(3,464	)	$	(2,931	)	$	(2,090	)	$	(3,276	)
Noncurrent liabilities		(212,404	)		(178,424	)		(25,348	)		(36,323	)
Net amount recognized	$	(215,868	)	$	(181,355	)	$	(27,438	)	$	(39,599	)

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

	Pension Benefits		Other Benefits
(In thousands)	Net Actuarial Loss		Net Actuarial Gain			Prior Service (Credit) Cost			Total
December 25, 2011	$	228,727	$	(10,902	)	$	8,385		$	(2,517	)
Current year change		43,340		374			(9,174	)		(8,800	)
December 31, 2012	$	272,067	$	(10,528	)	$	(789	)	$	(11,317	)

Expected Cash Flows Related to the Plans Determined By Actuarial Assumptions [Table Text Block]

(In thousands)	Pension Benefits		Other Benefits
Employer Contributions
2013 (expectation) to participant benefits	$	7,949	$	2,090
Expected Benefit Payments / Receipts
2013		25,306		2,090
2014		25,589		2,109
2015		26,062		2,061
2016		26,555		2,103
2017		27,213		2,038
2018-2022		142,565		9,605

Schedule of Net Benefit Costs [Table Text Block]

	Pension Benefits									Other Benefits
(In thousands)	2012			2011			2010			2012			2011			2010
Service cost	$	-		$	-		$	38		$	101		$	226		$	202
Interest cost		21,162			22,426			22,910			1,547			1,910			2,319
Expected return on plan assets		(23,703	)		(23,996	)		(23,820	)		-			-			-
Amortization of prior-service (credit) cost		-			-			-			1,259			1,721			1,721
Amortization of net loss (gain)		5,647			3,794			2,671			(1,186	)		(1,026	)		(691	)
Curtailment gain		-			-			-			(2,785	)		-			-
Net periodic benefit cost	$	3,106		$	2,224		$	1,799		$	(1,064	)	$	2,831		$	3,551

Assumptions to Determine Benefit Obligations [Member]

Schedule of Assumptions Used [Table Text Block]

	Pension Benefits						Other Benefits
	2012			2011			2012			2011
Discount rate		3.75	%		4.80	%		3.40	%		4.50	%
Compensation increase rate		-			-			3.00			3.00

Assumptions to Determine Net Periodic Costs [Member]

Schedule of Assumptions Used [Table Text Block]

	Pension Benefits						Other Benefits
	2012			2011			2012			2011
Discount rate		4.80	%		5.60	%		4.50	%		5.20	%
Expected return on plan assets		8.00			8.00			-			-
Compensation increase rate		-			-			3.00			3.50