Fair Value (Fair Value Of Outstanding Derivatives In Consolidated Balance Sheet) (Details) (USD $) In Thousands	Jul. 31, 2011	Jul. 31, 2010
Fair Value
Asset derivatives recorded under the caption Prepaids and other current assets, Foreign exchange contracts	$ 945	$ 807
Asset derivatives recorded under the caption Other assets, Interest rate swap asset		4,590
Liability derivatives recorded under the caption Other current liabilities, Foreign exchange contracts	$ 1,470	$ 2,127

Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities on the balance sheet.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959

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