Postretirement Benefits Schedule of Net Funded Status and APBO (Details) (USD $)	12 Months Ended
	Dec. 29, 2013 Rate	Dec. 30, 2012 Rate	Jan. 01, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]
Benefit obligation at beginning of year	$ 2,622,000	$ 2,055,000
Service cost	89,000	60,000	7,000
Interest cost	91,000	106,000	87,000
Plan participants' contributions	77,000	72,000
Actuarial loss (gain)	(285,000)	581,000
Benefits paid	(249,000)	(269,000)
Medicare part D prescription drug subsidy	25,000	17,000
Benefit obligation at end of year	2,370,000	2,622,000	2,055,000
Employer contributions	147,000	180,000
Fair value of plan assets at beginning of year	0	0
Fair value of plan assets at end of year	0	0	0
Funded status	$ (2,370,000)	$ (2,622,000)
Discount rate used to determine benefit obligations	4.48%	3.64%
Discount rate used to determine net periodic benefit cost	3.64%	4.40%