Long-Term Debt (Senior Secured Credit Facility) (Details)	1 Months Ended		3 Months Ended	12 Months Ended			0 Months Ended	12 Months Ended						12 Months Ended		2 Months Ended	3 Months Ended						5 Months Ended	12 Months Ended				12 Months Ended								12 Months Ended
	Sep. 23, 2012 USD ($)	Sep. 23, 2012 EUR (€)	Sep. 26, 2010 USD ($)	Dec. 30, 2012 USD ($)	Dec. 25, 2011 USD ($)	Dec. 26, 2010 USD ($)	Sep. 22, 2012 Senior Secured Credit Facility [Member] USD ($)	Dec. 30, 2012 Senior Secured Credit Facility [Member] USD ($)	Jul. 31, 2012 Senior Secured Credit Facility [Member] USD ($)	Jul. 22, 2010 Senior Secured Credit Facility [Member] USD ($)	Jul. 31, 2012 Swingline Loan [Member] USD ($)	Jul. 22, 2010 Swingline Loan [Member] USD ($)	Dec. 30, 2012 Letter of Credit [Member] USD ($)	Dec. 30, 2012 Minimum [Member] Senior Secured Credit Facility [Member]	Dec. 30, 2012 Maximum [Member] Senior Secured Credit Facility [Member]	Feb. 17, 2012 Debt Covenant Compliance February 2012 [Member]	Sep. 23, 2012 Debt Covenant Compliance February 2012 [Member]	Jun. 24, 2012 Debt Covenant Compliance February 2012 [Member]	Mar. 25, 2012 Debt Covenant Compliance February 2012 [Member]	Dec. 30, 2012 Debt Covenant Compliance July 2012 [Member] USD ($)	Sep. 23, 2012 Debt Covenant Compliance July 2012 [Member] USD ($)	Jun. 24, 2012 Debt Covenant Compliance July 2012 [Member]	Dec. 30, 2012 Debt Covenant Compliance July 2012 [Member] USD ($)	Dec. 30, 2012 Debt Covenant Compliance July 2012 [Member] USD ($)	Jul. 31, 2012 Debt Covenant Compliance July 2012 [Member] USD ($)	Dec. 30, 2012 Debt Covenant Compliance July 2012 [Member] Senior Secured Credit Facility [Member]	Jul. 31, 2012 Debt Covenant Compliance July 2012 [Member] Senior Secured Credit Facility [Member] USD ($)	Dec. 30, 2012 Debt Covenant Compliance July 2012 [Member] Maximum [Member] Senior Secured Credit Facility [Member]	Dec. 30, 2012 Debt Covenant Compliance July 2012, Base Rate [Member] Maximum [Member] Senior Secured Credit Facility [Member]	Dec. 30, 2012 Debt Covenant Compliance July 2012, LIBOR Rate [Member] Maximum [Member] Senior Secured Credit Facility [Member]	Dec. 30, 2012 Base Rate [Member] Minimum [Member] Senior Secured Credit Facility [Member]	Dec. 30, 2012 Base Rate [Member] Maximum [Member] Senior Secured Credit Facility [Member]	Dec. 30, 2012 LIBOR [Member] Minimum [Member] Senior Secured Credit Facility [Member]	Dec. 30, 2012 LIBOR [Member] Maximum [Member] Senior Secured Credit Facility [Member]	Jul. 22, 2010 $125 Million Variable Interest Rate Revolving Credit Facility Maturing In 2014 [Member] USD ($)	Dec. 30, 2012 July 2012 Amendment to the Senior Secured Credit Facility [Member] USD ($)	Dec. 30, 2012 Repayment of Senior Secured Credit Facility [Member] USD ($)	Dec. 30, 2012 Option 1 [Member] Senior Secured Credit Facility [Member]	Dec. 30, 2012 Option 2 [Member] Senior Secured Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount																																			$ 125,000,000
Secured credit facility paid down	7,400,000	5,700,000	102,200,000
Leverage ratio															2.75	2.75
Adjusted Leverage Ratio Q1 2012																			3.00
Adjusted Leverage Ratio Q2 2012																		3.35				5.25
Adjusted Leverage Ratio Q3 2012																	3.25				6.50
Adjusted leverage ratio Q4 2012																				5.50
Adjusted leverage ratio Q1 2013																							3.50
Adjusted leverage ratio Q2 2013																							2.75
Amended total commitment																											75,000,000
Original letters of credit sublimit										25,000,000
Letters of credit sublimit									5,000,000
Original swingline loans sublimit												25,000,000
Swingline loans sublimit											5,000,000
Cash restructuring excluded from EBITDA calculation																					25,000,000
Fixed charge covenant Q4 2012																				1.00
Fixed charge coverage ratio														1.25
Cash balance threshold for repayment				65,000,000
Spread over interest rate																										0.50%			4.25%	5.25%	1.25%	2.50%	2.25%	3.50%				0.50%	1.00%
Debt Instrument, Description of Variable Rate Basis																								a daily rate equal to the one-month LIBOR rate, plus 1.00%
Unused line fees														0.30%	0.75%													1.00%
Fees and expenses				2,085,000	0	1,991,000		1,300,000
Unamortized fees and expenses																																				800,000	200,000
Repayments of Debt, Maturing in More than Three Months							6,100,000
Line of Credit Facility, Current Borrowing Capacity																				68,900,000			68,900,000	68,900,000	75,000,000
Expansion option under credit facility								50,000,000
Potential total commitment with expansion option								118,900,000
Letters of credit outstanding													1,800,000
Base rate								The “Base Rate” is the highest of (a) our lender’s prime rate, (b) the Federal Funds rate, plus 0.50%, and (c) a daily rate equal to the one-month LIBOR rate, plus 1.0%. Swingline loans bear interest of (i) a spread ranging from 1.25% to 2.50% over the Base Rate with respect to swingline loans denominated in U.S. dollars, or (ii) a spread ranging from 2.25% to 3.50% over the LIBOR rate for one month U.S. dollar deposits, as of 11:00 a.m., London time.
Percentage of stock pledge of domestic subsidiaries								100.00%
Percentage of stock pledge of all first-tier foreign subsidiaries								65.00%
Line Of Credit Facility, Carrying Value Of Collateral								$ 143,000,000