Income Taxes (Tables)

12 Months Ended

Dec. 27, 2014

Income Taxes [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

(dollars in thousands)		2014		2013		2012
Current:
Federal	$	24,809	$	26,994	$	30,258
State		1,237		6,774		2,534
Deferred:
Federal		2,686		8,184		12,107
State		1,099		2,193		3,504
	$	29,831	$	44,145	$	48,403

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

(dollars in thousands)		2014		2013		2012
Income taxes at federal statutory rate	$	29,749	$	40,553	$	45,820
State income taxes, net of federal income tax benefit		1,519		5,828		3,925
Other		(1,437)		(2,236)		(1,342)
Provision for income taxes (effective tax rate 35.1%,  38.1% and 37.0%, respectively)	$	29,831	$	44,145	$	48,403

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

(dollars in thousands)		2014		2013
Deferred tax assets:
Accounts receivable	$	615	$	585
Compensated absences		362		403
Long term employment incentives		1,161		2,785
Employee benefit plans		3,771		4,221
General liability insurance		1,344		1,223
Postretirement benefit obligations		7,676		7,037
Net operating loss carryforwards		6,218		5,736
Other		1,358		-
Total deferred tax assets		22,505		21,990
Deferred tax liabilities:
Inventories		(7,459)		(6,809)
Unrealized gains on marketable securities		(3,371)		(2,753)
Nondeductible accruals and other		(6,522)		(4,745)
Depreciation		(111,709)		(109,836)
Total deferred tax liabilities		(129,061)		(124,143)
Net deferred tax liability	$	(106,556)	$	(102,153)
Current deferred liability - net	$	(5,800)	$	(4,219)
Noncurrent deferred liability - net		(100,756)		(97,934)
Net deferred tax liability	$	(106,556)	$	(102,153)

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

(dollars in thousands)		2014		2013
Unrecognized tax benefits at beginning of year	$	-	$	225
Increases based on tax positions related to the current year		-		-
Additions for tax positions of prior year		-		-
Reductions for tax positions of prior years		-		-
Settlements		-		(225)
Expiration of the statute of limitations for assessment of taxes		-		-
Unrecognized tax benefits at end of year	$	-	$	-