Employee Benefit Plans (Other Postretirement Plans - Funded Status) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013 Rate	Dec. 29, 2012 Rate	Dec. 31, 2011
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	$ 694	$ 733
Service cost	7	7	7
Interest cost	23	26	33
Participant contributions	15	15
Actuarial gain	(137)	(80)
Benefits paid	(5)	(11)
Medicare Part D subsidy	1	4
Benefit obligation at end of year	598	694	733
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	0	0
Employer contributions	(11)	(8)
Participant contributions	15	15
Benefits paid	(5)	(11)
Medicare Part D subsidy	1	4
Fair value of plan assets at end of year	0	0	0
Unfunded amount	(598)	(694)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Accrued expenses	18	17
Other long-term liabilities	580	677
Total liability	598	694
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]
Expected Future Benefit Payments, Next Twelve Months	18
Expected Future Benefit Payments, Year Two	18
Expected Future Benefit Payments, Year Three	18
Expected Future Benefit Payments, Year Four	18
Expected Future Benefit Payments, Year Five	18
Expected Future Benefit Payments, Five Fiscal Years Thereafter	96
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Assumptions Used Calculating Benefit Obligation, Discount Rate	3.16%	2.81%
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]
Health care cost trend assumed for next year	8.00%	9.00%
Rate to which the cost trend is assumed to decline	5.00%	5.00%
Year that rate reaches the ultimate trend rate	2017	2017
Defined Benefit Plan, Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rates [Abstract]
Effect of one percentage point increase on accumulated postretirement benefit obligation	4	3
Effect of one percentage point decrease on accumulated postretirement benefit obligation	(3)	(3)
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service cost	7	7	7
Interest cost	23	26	33
Amortization of prior service credits	(88)	(88)	(88)
Recognized net actuarial gains	(35)	(45)	(29)
Settlement gain	(105)	(48)	(12)
Net periodic benefit cost (credit)	(198)	(148)	(89)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Accumulated other comprehensive income (loss), net prior service credits, before tax	(190)
Accumulated other comprehensive income (loss), unrecognized actuarial gains, before tax	(397)
Accumulated other comprehensive income (loss), before tax	(587)
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Income (Loss) in Next Fiscal Year [Abstract]
Amortization of prior service credits	(88)
Amortization of unrecognized actuarial gains	(39)
Amounts that will be amortized from accumulated other comprehensive income (loss) in next fiscal year	$ (127)