Acquisitions Acquisitions (Details) $ in Thousands	12 Months Ended
Feb. 28, 2019 USD ($)
Business Combinations (textual) [Abstract]
Payments to Acquire Businesses, Net of Cash Acquired	$ 8,000
Business Acquisition, Description of Acquired Entity	These acquisitions were not significant individually or in the aggregate for any fiscal year.

With respect to a business combination completed during the period, this element provides a description of the business, other than the name, which may include the industry, size, products and other important information.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

Name:	us-gaap_BusinessAcquisitionDescriptionOfAcquiredEntity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration