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Debt and Credit Agreements (Details) (USD $)
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3 Months Ended | |||||||||||||
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Jul. 28, 2012
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Jan. 28, 2012
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Nov. 04, 2010
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Jul. 28, 2012
Maximum [Member]
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Jul. 28, 2012
Short Term Debt October 2012 Notes [Member]
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Sep. 30, 2002
Short Term Debt October 2012 Notes [Member]
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Jan. 28, 2012
Long Term Debt October 2012 Notes [Member]
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Jul. 28, 2012
Long Term Debt January 2014 Notes, including Unamortized Gain [Member]
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Jan. 28, 2012
Long Term Debt January 2014 Notes, including Unamortized Gain [Member]
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Jul. 28, 2012
Commercial paper program
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Jul. 28, 2012
Lines of Credit
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Jan. 28, 2012
Lines of Credit
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Jul. 28, 2012
Capital lease obligations and other notes payable
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Jan. 28, 2012
Capital lease obligations and other notes payable
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| Debt and credit agreements | ||||||||||||||
| Maximum Borrowing Capacity of Commercial Paper Program | $ 1,000,000,000 | |||||||||||||
| Commercial Paper Notes Maximum Maturity Period | P397D | |||||||||||||
| Short-term Debt | 50,000,000 | |||||||||||||
| Weighted Average Remaining Maturity Of Commerical Paper | 3 days | |||||||||||||
| Debt, Weighted Average Interest Rate | 0.40% | |||||||||||||
| Short-term Debt, Maximum Amount Outstanding During Period | 100,000,000 | |||||||||||||
| Outstanding debt | ||||||||||||||
| Total long-term debt | 2,041,537,000 | 2,038,180,000 | 326,904,000 | 325,000,000 | 332,617,000 | 1,518,620,000 | 1,525,003,000 | 12,033,000 | 9,815,000 | |||||
| Commercial Paper | 49,998,000 | 0 | ||||||||||||
| Lines of Credit | 133,982,000 | 170,745,000 | ||||||||||||
| Less: Current portion | (498,987,000) | (439,143,000) | ||||||||||||
| Net long-term debt | 1,542,550,000 | 1,599,037,000 | ||||||||||||
| Other debt and credit agreement disclosures | ||||||||||||||
| Maximum borrowing capacity | 1,000,000,000 | 307,800,000 | ||||||||||||
| Maximum borrowing capacity upon agreement of participating lenders | $ 1,500,000,000 | |||||||||||||