XML 24 R12.htm IDEA: XBRL DOCUMENT

Employee 401(k) Savings Plan	12 Months Ended
Employee 401(k) Savings Plan	Apr. 30, 2016
Compensation and Retirement Disclosure [Abstract]
Employee 401(k) Savings Plan	Employee 401(k) Savings Plan We have an employee 401(k) Savings Plan covering substantially all U.S. employees to which we make contributions equal to 3% of eligible compensation. Our contributions to the employee 401(k) Savings Plan were $1.3 million, $1.3 million and $1.4 million in fiscal year 2016, 2015 and 2014, respectively.