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Commitments and Contingencies	9 Months Ended
Commitments and Contingencies	Jul. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies We have pledged approximately $11.3 million of our cash and cash equivalents as collateral and letters of credit for certain banking requirements and contracts. As of July 31, 2012, outstanding letters of credit totaled $9 million. These expire on various dates through April 2017.

The entire disclosure for commitments and contingencies.

+ References

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