Long-Term Obligations (Details) (USD $) In Thousands	Jul. 31, 2011	Jul. 31, 2010
Schedule of Long-Term Debt
Long-term obligations	$ 393,178	$ 444,204
Less current maturities	(61,264)	(61,264)
Excluding Current Maturities	331,914	382,940
Euro-denominated notes payable in 2017 at a fixed rate of 3.71% [Member]
Schedule of Long-Term Debt
Long-term obligations	43,194	45,615
Euro-denominated notes payable in 2020 at a fixed rate of 4.24%[Member]
Schedule of Long-Term Debt
Long-term obligations	64,791	52,132
USD-denominated notes payable through 2014 at a fixed rate of 5.14% [Member]
Schedule of Long-Term Debt
Long-term obligations	56,250	75,000
USD-denominated notes payable through 2016 at a fixed rate of 5.30%[Member]
Schedule of Long-Term Debt
Long-term obligations	130,714	156,857
USD-denominated notes payable through 2017 at a fixed rate of 5.33% [Member]
Schedule of Long-Term Debt
Long-term obligations	$ 98,229	$ 114,600

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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. 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, and after deducting unamortized discount or premiums, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

+ Details

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- Definition

Total of the portions of the carrying amounts as of the balance sheet date of long-term debt, which may include notes payable, bonds payable, debentures, mortgage loans, and commercial paper, which are scheduled to be repaid within one year or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19
-Article 5

+ Details

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- Definition

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 (current maturities) or the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

+ Details

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