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Receivables (Tables)

3 Months Ended

Aug. 31, 2013

Summary of Accounts Receivable

A summary of accounts receivable as of August 31, 2013 and May 31, 2013 is as follows (in thousands):

		August 31, 2013				May 31, 2013
		(unaudited)
Trade accounts receivable		$	145,962			$	152,030
Unbilled revenues			26,795				25,516
Allowance for doubtful accounts			(5,742	)			(5,438	)
Total		$	167,015			$	172,108

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- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3,4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3, 4

-Article 5

+ Details

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Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration