Employee Benefit Plans (Tables)

12 Months Ended

Dec. 25, 2011

Multiemployer Plans [Line Items]

Obligations and Funded Status

	Pension Plans						Post-retirement Benefit Plans
	2011			2010			2011			2010
	(In thousands)
Change in Benefit Obligation
Beginning obligations	$	(11,914	)	$	(10,771	)	$	(10,788	)	$	(8,925	)
Service cost		(415	)		(396	)		(383	)		(312	)
Interest cost		(712	)		(675	)		(643	)		(557	)
Amendments		—			—			—			—
Actuarial gain (loss)		449			(464	)		1,521			(1,223	)
Benefits paid		408			392			216			229
Ending obligations		(12,184	)		(11,914	)		(10,077	)		(10,788	)
Change in Plans’ Assets
Beginning fair value		8,128			7,064			—			—
Actual return on plans’ assets		(79	)		786			—			—
Employer contributions		917			670			—			—
Benefits paid		(408	)		(392	)		—			—
Ending fair value		8,558			8,128			—			—
Funded status at end of year	$	(3,626	)	$	(3,786	)	$	(10,077	)	$	(10,788	)

Net Periodic Benefit Cost

	Pension Plans						Post-retirement Benefit Plans
	2011			2010			2011			2010
	(In thousands)
Service cost	$	415		$	396		$	383		$	312
Interest cost		712			675			643			558
Expected return on plan assets		(624	)		(526	)		—			—
Amortization of prior service cost		255			255			103			103
Amortization of transition obligation		102			102			—			—
Amortization of (gain) loss		—			(23	)		(28	)		(26	)
Net periodic benefit cost	$	860		$	879		$	1,101		$	947

Rate Assumptions

	Pension Plans						Post-retirement Benefit Plans
	2011			2010			2011			2010
Weighted-average discount rate used in determining net periodic cost		6.1	%		6.4	%		6.1	%		6.4	%
Weighted-average expected long-term rate of return on plan assets in determination of net periodic costs		7.5	%		7.5	%		0.0	%		0.0	%
Weighted-average rate of compensation increase(1)		0.0	%		0.0	%		0.0	%		0.0	%
Weighted-average discount rate used in determination of projected benefit obligation		5.3	%		6.1	%		5.3	%		6.1	%
Assumed health care cost trend:
Initial trend		N/A			N/A			9.0			9.0
Ultimate trend rate		N/A			N/A			5.0			5.0

(1) The defined benefit plan benefit payments are not based on compensation, but rather on years of service.

Benefit payments reflecting expected future service

Fiscal Year Ending	Pension Plans		Post-retirement Benefit Plans
2012	$	482	$	329
2013		523		362
2014		554		354
2015		585		364
2016		602		380
2017-2021		3,790		2,228
	$	6,536	$	4,017

Company's pension plans investment policy and weighted average asset allocations

Asset Category	Pension Assets  at December 25, 2011			Pension Assets  at December 26, 2010
Cash		4	%		2	%
Equity		62	%		58	%
Debt securities		34	%		40	%
		100	%		100	%

Pension Fund [Member]

Multiemployer Plans [Line Items]

Multi-employer health and benefit plans

Pension Fund	EIN/Pension Plan Number		Pension Protection Act Zone Status		FIP/RP Status/ Pending/ Implemented	5% Contri- butor	Multi-employer Contribution (in thousands)						Sur- charge Imposed	Expiration Date of Collective Bargaining Agreement
			2011	2010			2011		2010		2009
ILA — PRSSA Pension Fund		51-0151862 - 001	Green	Green	No	Yes	$	2,391	$	2,015	$	1,724	No	September 30, 2012
MEBA Pension Trust		51-6029896 - 001	Green	Green	No	No		—		—		—	No	June 15, 2022
Masters, Mates and Pilots Pension Plan		13-6372630 - 001	Green	Red	No	Yes		4,457		5,023		4,710	No	June 15, 2017
Local 153 Pension Fund		13-2864289 - 001	Red	Orange	Implemented	Yes		330		341		301	No	November 9, 2012
Alaska Teamster-Employer Pension Plan		92-6003463 - 024	Red	Red	Implemented	Yes		3,210		2,529		2,449	Yes	June 30, 2011
All Alaska Longshore Pension Plan		91-6085352 - 001	Green	Green	No	Yes		846		693		598	No	June 30, 2012
Seafarers Pension Fund (1)		13-6100329 - 001	Green	Green	No	Yes		—		—		—	No	June 30, 2012
Western Conference of Teamsters Pension Plan		91-6145047 - 001	Green	Green	No	No		4,717		4,514		3,463	No	March 31, 2013
Western Conference of Teamsters Supplemental Benefit Trust		95-3746907 - 001	Green	Green	No	Yes		203		200		207	No	March 31, 2013
Western States Office and Professional Employees Pension Fund		94-6076144 - 001	Red	Red	Implemented	No		81		82		77	No	November 9, 2012
Hawaii Stevedoring Multiemployer Pension Plan		99-0314293 - 001	Yellow	Yellow	Implemented	Yes		2,631		2,940		2,523	No	June 30, 2014
Hawaii Terminals Multiemployer Pension Plan		20-0389370 - 001	Yellow	Yellow	Implemented	No		277		288		252	No	June 30, 2014
							$	19,143	$	18,625	$	16,304

(1) The Company does not make contributions directly to the Seafarers Pension Plan. Instead, contributions are made to the Seafarers Health and Benefits Plan and subsequently re-allocated to the Seafarers Pension Fund at the discretion of the plan Trustee.

Health and Benefits Fund [Member]

Multiemployer Plans [Line Items]

Multi-employer health and benefit plans

Health and Benefits Fund	EIN/Pension Plan Number		5% Contributor		Multi-employer Contribution (in thousands)						Surcharge Imposed		Expiration Date of Collective Bargaining Agreement
					2011		2010		2009
ILA — PRSSA Welfare Fund		66-0214500 - 501		Yes	$	3,159	$	3,571	$	3,359		No		September 30, 2012
MEBA Medical and Benefits Plan		13-5590515 - 501		Yes		2,876		2,981		3,837		No		June 15, 2022
MM&P Health and Benefit Plan		13-6696938 - 501		Yes		2,780		2,753		3,356		No		June 15, 2017
Alaska Teamster-Employer Welfare Trust		91-6034674 - 501		Yes		3,064		2,605		2,453		No		June 30, 2011
All Alaska Longshore Health and Welfare Trust Fund		91-6070467 - 501		Yes		2,112		1,752		1,510		No		June 30, 2012
Seafarers Health and Benefits Plan(1)		13-5557534 - 501		Yes		6,263		6,254		7,176		No		June 30, 2012
Western Teamsters Welfare Trust		91-6033601 - 501		No		2,731		2,996		2,865		No		March 31, 2013
Office and Professional Employees Welfare Fund		23-7120690 - 501		No		139		132		112		No		November 9, 2012
Stevedore Industry Committee Welfare Benefit Plan		99-0313967 - 501		Yes		3,265		3,448		3,044		No		June 30, 2014
					$	26,389	$	26,492	$	27,712

(1) Contributions made to the Seafarers Health and Benefits Plan are re-allocated to the Seafarers Pension Fund at the discretion of the plan Trustee.