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Basis of Presentation (Narrative) (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Aug. 31, 2019	Nov. 30, 2018
Basis Of Presentation [Line Items]
Right of use asset	$ 25,764	$ 0	$ 0
Lease liability	29,523
ASU 2016-02 [Member]
Basis Of Presentation [Line Items]
Right of use asset	26,200
Lease liability	$ 29,500

X

- Definition

Basis of presentation.

+ References

No definition available.

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

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Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

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