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Goodwill | 3 Months Ended
--- | ---
Apr. 30, 2016
Real Estate [Abstract] |
Goodwill Intangible and Other Assets Net and Goodwill Impairment [Text Block] |
13. | Goodwill
There was no impairment of goodwill during Q1 fiscal year 2017.

X
- Definition The entire disclosure for goodwill. + References No definition available. + Details
Name: | us-gaap_GoodwillDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_RealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration