Subsequent events	12 Months Ended
Jul. 31, 2014
Subsequent events	21. Subsequent events On September 4, 2014, we entered into an asset purchase agreement with Pathfinder Therapeutics, Inc., or Pathfinder, pursuant to which we agreed to purchase certain assets and assume certain liabilities relating to Pathfinder’s surgical planning and guidance business, for an aggregate consideration of $1.5 million. Subject to satisfaction of certain closing conditions enumerated in the asset purchase agreement, we expect the transaction to close in the first quarter of fiscal year 2015. On September 9, 2014, our Board of Directors declared a dividend of $0.10 per common share payable on October 10, 2014 to stockholders of record on September 25, 2014.

Subsequent events

12 Months Ended

Jul. 31, 2014

21. Subsequent events

On September 4, 2014, we entered into an asset purchase agreement with Pathfinder Therapeutics, Inc., or Pathfinder, pursuant to which we agreed to purchase certain assets and assume certain liabilities relating to Pathfinder’s surgical planning and guidance business, for an aggregate consideration of $1.5 million. Subject to satisfaction of certain closing conditions enumerated in the asset purchase agreement, we expect the transaction to close in the first quarter of fiscal year 2015.

On September 9, 2014, our Board of Directors declared a dividend of $0.10 per common share payable on October 10, 2014 to stockholders of record on September 25, 2014.