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Acquisitions - Additional Information (Detail) (WVS-Technology, USD $) In Millions, unless otherwise specified | Aug. 31, 2013 | Jul. 05, 2013
--- | --- | ---
WVS-Technology |  |
Business Acquisition [Line Items] |  |
Business Acquisition, Transaction Costs |  | $ 1.0
Working capital adjustment included in assets | 0.3 |
Inventory included in purchase price | $ 0.7 |

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- Definition Business acquisition cost of acquired entity working capital adjustment. + References No definition available. + Details
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- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References No definition available. + Details
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- Details
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Period Type: | duration

X
- Definition The amount of inventory recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
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