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Employee Benefit Plan
12 Months Ended
Jul. 31, 2011
Compensation and Retirement Disclosure [Abstract] 
Employee Benefit Plan
(18)
  Employee Benefit Plan

The Company sponsors a 401(k) defined contribution plan covering its eligible employees. The plan is available to all US employees who meet minimum age and service requirements and provides employees with tax deferred salary deductions and alternative investment options. The Company matches 20% of employee contributions up to 15% of employee salary deferral. The Company recognized an expense of $0.4 million, $0.5 million and $0.5 million for the fiscal years ended July 31, 2011, 2010 and 2009, respectively, related to this plan.

The Company also sponsors an additional defined contribution plan for most of its UK employees, which is available to all UK employees who meet minimum service requirements. The Company matches up to 5% of employee contributions. The Company recognized an expense of $0.2 million, $0.3 million, and $0.7 million for the fiscal years ended July 31, 2011, 2010 and 2009, respectively, related to this plan.