The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Primary Financing Facilities - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2012	Jun. 28, 2012	Sep. 29, 2011	Feb. 07, 2008 Revolving Credit Facility [Member]	Sep. 27, 2012 Mortgage Facility Tranche A [Member]	Feb. 07, 2008 Mortgage Facility Tranche A [Member]	Feb. 07, 2008 Mortgage Facility Tranche B [Member]	Feb. 07, 2008 Mortgage Facility [Member]
Line Of Credit Facility Covenant Compliance [Line Items]
Revolving loan commitment and letter of credit sub facility				$ 117,500
Available credit under the Credit Facility	71,876
Borrowings	38,067	45,848	39,105
Outstanding letters of credit	7,557
Amounts of term loans	48,214					36,000	9,000	45,000
Amounts classified as long-term debt					$ 23,200