Debt (Details) (USD $)	9 Months Ended	3 Months Ended
Sep. 25, 2011	Sep. 25, 2011 Medium-Term 6.80% Notes Due In June 2018 [Member]
Debt Instrument [Line Items]
Medium-term notes, repurchased		$ 44,400,000
Medium-term notes, face amount		1,000,000,000
Medium-term notes, stated percentage		6.80%
Medium-term notes, maturity date		Jun. 01, 2018
Loss on extinguishment of debt	$ 8,671,000	$ 8,700,000

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Interest rate stated in the contractual debt agreement.

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The cash outflow to pay off borrowing used to receive debt funding on a regular basis with maturities ranging from 5-10 years.

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