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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Feb. 29, 2016	May. 31, 2015
Statement of Financial Position [Abstract]
Accounts receivable, allowances for doubtful accounts	$ 621	$ 468
Allowance for doubtful other receivables, current	$ 3,902	$ 2,684
Preferred stock, shares authorized (shares)	5,000,000	5,000,000
Preferred stock, shares issued (shares)	0	0
Common stock, shares authorized (shares)	200,000,000	200,000,000
Common stock, shares issued (shares)	129,258,574	130,557,676
Common stock, shares outstanding (shares)	129,258,574	130,557,676

X

- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

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