Sales-Type Leases - Estimated Future Minimum Lease Payments Receivable Related to Sales-Type Leases (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014
Leases [Abstract]
2014 (remaining)	$ 1,987
2015	5,592
2016	1,365
2017	185
2018	1
Total intangible assets	$ 9,130

Amount of minimum lease payments to be received by the lessor for capital leases.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738

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- Definition

Amount of minimum lease payments to be received by the lessor in the fifth fiscal year following the latest fiscal year for capital leases.

+ References

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- Definition

Amount of minimum lease payments to be received by the lessor in the fourth fiscal year following the latest fiscal year for capital leases.

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- Definition

Amount of minimum lease payments to be received by the lessor in the third fiscal year following the latest fiscal year for capital leases.

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- Definition

Amount of minimum lease payments to be received by the lessor in the second fiscal year following the latest fiscal year for capital leases.

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- Definition

Amount of minimum lease payments to be received by the lessor in the remainder of the fiscal year following the latest fiscal year ended for capital leases.

+ References

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