Revolving Credit Facility and Bank Letters of Credit	3 Months Ended
Revolving Credit Facility and Bank Letters of Credit	Mar. 24, 2013
Other Liabilities Disclosure [Abstract]
Bank Letters of Credit	7. Revolving Credit Facility and Bank Letters of Credit Revolving Credit Facility On October 25, 2012 (the "Closing Date"), the Company entered into a Credit Agreement (the "Credit Agreement"), as borrower, with Wells Fargo Bank, National Association, as Administrative Agent ("Agent"), and certain lenders (the "Lenders"), pursuant to which it established a new senior unsecured revolving credit facility (the "Facility") in an aggregate principal amount of $100 million with sublimits for swingline loans (of $25 million) and the issuance of letters of credit (of $10 million). The Credit Facility matures on October 25, 2016. The proceeds of the Credit Facility may be used by the Company to finance certain capital expenditures and acquisitions permitted thereunder, to provide for the working capital and general corporate needs as well as to pay fees, commissions and expenses associated with the Credit Facility. The terms of the Credit Agreement require the Company to comply with certain financial tests, and include various affirmative and negative covenants, and customary representations and warranties, conditions and events of default. Additionally, the Credit Facility is subject to a commitment fee on the unused portion at an initial rate equal to 0.25 percent per annum. As of March 24, 2013, the Company was in compliance with the financial tests and covenants, and there were no amounts outstanding under the Credit Facility. Bank Letters of Credit At March 24, 2013, the Company had $0.7 million of outstanding letters of credit. These letters of credit are secured by cash collateral provided by the Company equal to their face amount.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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