Long-term Debt	6 Months Ended
Long-term Debt	Feb. 25, 2012
Long-term Debt [Abstract]
Long-term Debt	11. Long-Term Debt On May 5, 2011, the Company entered into a $250.0 million unsecured revolving credit agreement (the "Credit Agreement") with a syndicate of banks, which matures on May 4, 2016. Under the Credit Agreement, the Company is able to borrow funds at variable interest rates based on, at the Company's election, the Eurodollar rate or a base rate, plus in each case a spread based on the Company's consolidated funded debt ratio. Availability of credit requires compliance with certain financial and other covenants, including a maximum consolidated funded debt ratio and minimum consolidated interest coverage ratio as defined in the Credit Agreement. The Company tests its compliance with these financial covenants on a fiscal quarterly basis. At February 25, 2012, the interest rates applicable to the Company's borrowings under the Credit Agreement would be calculated as LIBOR plus 100 basis points at the time of the respective borrowing. As of February 25, 2012, the Company had no outstanding borrowings, letters of credit amounting to $43.2 million and $206.8 million available for borrowing under the Credit Agreement. Prior to May 5, 2011, the Company had a $225.0 million unsecured revolving credit agreement (the "Prior Credit Agreement") with a syndicate of banks, which was scheduled to mature on September 13, 2011. In connection with the Company's entry into the Credit Agreement, the Company terminated the Prior Credit Agreement. On September 14, 2006, the Company issued $100.0 million of floating rates notes ("Floating Rate Notes") pursuant to a Note Purchase Agreement ("2006 Note Agreement"). The Floating Rate Notes mature on September 14, 2013, bear interest at LIBOR plus 50 basis points and may be repaid at face value two years from the date of issuance. As of February 25, 2012, the Company was in compliance with all covenants under the Credit Agreement and the 2006 Note Agreement.

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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