Employee benefit plan (Tables)
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12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jul. 31, 2014
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Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Substantially Funded [Table Text Block] | The status of the Swiss Plan, which is substantially funded as of December 31, 2013, the latest plan year end, is as follows:
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Schedule of Contributions Plan [Table Text Block] |
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