Debt and Credit Agreements (Credit Facilities and Receivable Securitization Facility) (Details) (USD $)
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Dec. 28, 2012
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Accounts Receivable Securitization Credit Facility [Member]
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Line of Credit Facility [Line Item] | |
Line of credit facility, current borrowing capacity | $ 250,000,000 |
Line of credit facility, amount outstanding | 0 |
Unsecured Revolving Credit Facility, Current [Member]
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Line of Credit Facility [Line Item] | |
Line of credit facility, current borrowing capacity | 1,000,000,000 |
Line of credit facility, amount outstanding | $ 0 |