Debt and Capital Lease Obligations (Details) (USD $)	3 Months Ended
Oct. 29, 2011	Oct. 31, 2012	Jul. 31, 2012
Debt Instrument [Line Items]
Long-term Debt, Current and Noncurrent		$ 540,856	$ 591,095
Current portion of long-term debt and capital lease obligations		(453,611)	(488,460)
Long-term debt and capital lease obligations		87,245	102,635
Long-term Debt, by Maturity [Abstract]
November 2012 - October 2013		453,611
November 2013 - October 2014		69,945
November 2014 - October 2015		17,300
November 2015 - October 2016		0
November 2016 - October 2017		0
Thereafter		0
Long-term Debt, Total		540,856	591,095
Various Bank Loans and Advances [Member]
Debt Instrument [Line Items]
Long-term Debt, Current and Noncurrent		324,296	372,744
Interest rate, minimum (in hundredths)	5.00%
Interest rate, maximum (in hundredths)	14.00%
Long-term Debt, by Maturity [Abstract]
Long-term Debt, Total		324,296	372,744
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt, Current and Noncurrent		216,560	218,351
Average interest rate (in hundredths)		11.00%
Long-term Debt, by Maturity [Abstract]
Long-term Debt, Total		$ 216,560	$ 218,351

Interest rate stated in the contractual debt agreement.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

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Obligation related to long-term debt (excluding convertible debt) and capital leases, the portion which is due in one year or less in the future.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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