Basis of Presentation and Conventions Used in this Report (Details)	9 Months Ended
Nov. 30, 2016 segment $ / shares	Feb. 29, 2016 $ / shares
Basis of Presentation and Conventions Used in this Report
Common shares, par value (in dollars per share) \| $ / shares	$ 0.10	$ 0.10
Number of segments \| segment	4

Face amount or stated value per share of common stock.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant