Investment In FC Organizational Products (Narrative) (Details) - FCOP [Member] - USD ($) $ in Millions	Nov. 30, 2018	Aug. 31, 2018
Related Party Transaction [Line Items]
Percent ownership interest in related party	19.50%
Discount on receivable from related party	$ 0.2	$ 0.3

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant