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Defined Contribution Benefit Plan	12 Months Ended
	May 31, 2013
Defined Contribution Benefit Plan	8. Defined Contribution Benefit Plan The Company maintains a defined contribution 401(k) benefit plan covering substantially all employees. Employees are permitted to defer up to IRS limits, with the Company matching 100% of the first 3% deferred and 50% of the next 2% deferred. The Company’s expense under this plan was $863,000, $760,000 and $733,000 in 2013, 2012 and 2011, respectively.

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- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-URI http://asc.fasb.org/topic&trid=2235017

+ Details

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