Debt (Schedule Of Long-Term Debt) (Details)															3 Months Ended		3 Months Ended		3 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 2013 EUR (€)	Dec. 30, 2012 USD ($)		Mar. 31, 2013 Senior Secured Credit Facility [Member] USD ($)		Dec. 30, 2012 Senior Secured Credit Facility [Member] USD ($)		Mar. 31, 2013 Senior Secured Notes [Member] USD ($)		Dec. 30, 2012 Senior Secured Notes [Member] USD ($)		Mar. 31, 2013 $69 Million Variable Interest Rate Revolving Credit Facility Maturing In 2014 [Member] Senior Secured Credit Facility [Member] USD ($)	Dec. 30, 2012 $69 Million Variable Interest Rate Revolving Credit Facility Maturing In 2014 [Member] Senior Secured Credit Facility [Member] USD ($)	Mar. 31, 2013 $22 Million 4.00% Fixed Interest Rate Series A Senior Secured Notes Maturing In 2015 [Member] Senior Secured Notes [Member] USD ($)	Dec. 30, 2012 $22 Million 4.00% Fixed Interest Rate Series A Senior Secured Notes Maturing In 2015 [Member] Senior Secured Notes [Member] USD ($)	Mar. 31, 2013 $22 Million 4.38% Fixed Interest Rate Series B Senior Secured Notes Maturing In 2016 [Member] Senior Secured Notes [Member] USD ($)	Dec. 30, 2012 $22 Million 4.38% Fixed Interest Rate Series B Senior Secured Notes Maturing In 2016 [Member] Senior Secured Notes [Member] USD ($)	Mar. 31, 2013 $22 Million 4.75% Fixed Interest Rate Series C Senior Secured Notes Maturing In 2017 [Member] Senior Secured Notes [Member] USD ($)	Dec. 30, 2012 $22 Million 4.75% Fixed Interest Rate Series C Senior Secured Notes Maturing In 2017 [Member] Senior Secured Notes [Member] USD ($)
Debt Instrument [Line Items]
Long-term revolving credit facility					$ 40,064,000	[1]	$ 42,021,000	[1]					$ 40,064,000	$ 42,021,000
Full-recourse factoring liabilities	815,000	600,000	942,000
Other capital leases with maturities through 2016	414,000		482,000
Long-term debt	107,407,000		109,559,000						66,114,000	[1]	66,114,000	[1]			22,038,000	22,038,000	22,038,000	22,038,000	22,038,000	22,038,000
Less current portion	510,000		638,000
Total long-term portion	106,897,000		108,921,000	[2]
Face value													$ 69,000,000		$ 22,000,000		$ 22,000,000		$ 22,000,000
Interest rate															4.00%		4.38%		4.75%
Maturity date															2015		2016		2017

[1] The carrying amounts are reported on the balance sheet under the indicated captions.

[2] Derived from the Company’s audited Consolidated Financial Statements at December 30, 2012.