Pension and Other Postretirement Benefits (Details) - Pension and Postretirement net periodic benefit cost (USD $) In Thousands, unless otherwise specified	4 Months Ended		9 Months Ended
	Oct. 05, 2013	Oct. 06, 2012	Oct. 05, 2013	Oct. 06, 2012
Pension Plan, Defined Benefit [Member]
Pension and Other Postretirement Benefits (Details) - Pension and Postretirement net periodic benefit cost [Line Items]
Interest cost	$ 564	$ 629	$ 1,410	$ 1,571
Expected return on plan assets	(635)	(620)	(1,588)	(1,549)
Amortization of prior service cost
Recognized actuarial loss (gain)	283	262	707	655
Net periodic benefit cost	212	271	529	677
Other Postretirement Benefit Plan, Defined Benefit [Member]
Pension and Other Postretirement Benefits (Details) - Pension and Postretirement net periodic benefit cost [Line Items]
Interest cost	6	9	15	22
Expected return on plan assets
Amortization of prior service cost
Recognized actuarial loss (gain)	(12)	(7)	(30)	(17)
Net periodic benefit cost	$ (6)	$ 2	$ (15)	$ 5