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Consolidation, Noncontrolling Interests and Basis of Presentation - Additional Information (Detail) | Feb. 28, 2018
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Accounting Policies [Abstract] |
Percentage of controlled subsidiary's earnings | 100.00%

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- References No definition available. + Details
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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