Long-Term Debt (Long-Term Debt) (Details)								12 Months Ended
	Dec. 25, 2011 USD ($)		Dec. 25, 2011 EUR (€)	May 16, 2011 USD ($)	Dec. 26, 2010 USD ($)		Dec. 27, 2009 USD ($)	Dec. 25, 2011 $125 Million Variable Interest Rate Revolving Credit Facility Maturing In 2014 [Member] USD ($)	Dec. 25, 2011 $25 Million 4.00% Fixed Interest Rate Series A Senior Secured Notes Maturing In 2015 [Member] USD ($)	Dec. 25, 2011 $25 Million 4.38% Fixed Interest Rate Series B Senior Secured Notes Maturing In 2016 [Member] USD ($)	Dec. 25, 2011 $25 Million 4.75% Fixed Interest Rate Series C Senior Secured Notes Maturing In 2017 [Member] USD ($)	Dec. 25, 2011 Senior Secured Credit Facility [Member] USD ($)		Dec. 26, 2010 Senior Secured Credit Facility [Member] USD ($)		Dec. 26, 2010 Senior Secured Credit Facility [Member] $125 Million Variable Interest Rate Revolving Credit Facility Maturing In 2014 [Member] USD ($)	Dec. 25, 2011 Senior Secured Notes [Member] USD ($)		Dec. 26, 2010 Senior Secured Notes [Member] USD ($)		Dec. 25, 2011 Senior Secured Notes [Member] $25 Million 4.00% Fixed Interest Rate Series A Senior Secured Notes Maturing In 2015 [Member] USD ($)	Dec. 26, 2010 Senior Secured Notes [Member] $25 Million 4.00% Fixed Interest Rate Series A Senior Secured Notes Maturing In 2015 [Member] USD ($)	Dec. 25, 2011 Senior Secured Notes [Member] $25 Million 4.38% Fixed Interest Rate Series B Senior Secured Notes Maturing In 2016 [Member] USD ($)	Dec. 26, 2010 Senior Secured Notes [Member] $25 Million 4.38% Fixed Interest Rate Series B Senior Secured Notes Maturing In 2016 [Member] USD ($)	Dec. 25, 2011 Senior Secured Notes [Member] $25 Million 4.75% Fixed Interest Rate Series C Senior Secured Notes Maturing In 2017 [Member] USD ($)	Dec. 26, 2010 Senior Secured Notes [Member] $25 Million 4.75% Fixed Interest Rate Series C Senior Secured Notes Maturing In 2017 [Member] USD ($)
Debt Instrument [Line Items]
Full-recourse factoring liabilities	$ 1,333,000		€ 1,000,000		$ 1,740,000
Other capital leases with maturities through 2016	1,013,000				2,313,000
Long-term debt	129,594,000	[1]			121,740,000	[1]											75,000,000	[2]	75,000,000	[2]	25,000,000	25,000,000	25,000,000	25,000,000	25,000,000	25,000,000
Long-term revolving credit facility												52,248,000	[2]	42,687,000	[2]	42,687,000
Revolving credit facility, current					1,808,000
Less current portion	910,000				2,016,000
Total long-term portion	128,684,000				119,724,000
Interest rate																					4.00%		4.38%		4.75%
Weighted average interest rate	4.00%		4.00%		3.90%
Face value								125,000,000	25,000,000	25,000,000	25,000,000
Senior secured credit facility, maturity year								2014	2015	2016	2017
Assumption of debt	$ 20,270,000			$ 4,200,000			$ 32,669,000

[1] The weighted average interest rates for 2011 and 2010 were 4.0% and 3.9%, respectively.

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