Facility Consolidation and Severance Expenses, Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 31, 2011
2008 Facilities Consolidation [Member]
Restructuring Cost and Reserve [Line Items]
Lease Termination Fee		$ 700
Gain on Settlement of Lease Termination		551
Total expenses by activity	7,410
Expected Cost	0
2009 Organization Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Incurred Cost for the Period		12
Total expenses by activity	1,450
Expected Cost	0
Equipment and Inventory Relocation [Member] | 2008 Facilities Consolidation [Member]
Restructuring Cost and Reserve [Line Items]
Total expenses by activity	3,192
Severance Pay and Employee Relocation [Member] | 2008 Facilities Consolidation [Member]
Restructuring Cost and Reserve [Line Items]
Total expenses by activity	1,095
Severance Pay and Employee Relocation [Member] | 2009 Organization Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Total expenses by activity	969
Computer Systems Conversion Costs [Member] | 2009 Organization Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Total expenses by activity	481
Asset Impairments [Member] | 2008 Facilities Consolidation [Member]
Restructuring Cost and Reserve [Line Items]
Total expenses by activity	1,459
Lease Obligations [Member] | 2008 Facilities Consolidation [Member]
Restructuring Cost and Reserve [Line Items]
Total expenses by activity	$ 1,664