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Defined Contribution Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2018
Defined Contribution Plan [Abstract]
Total matching contributions to saving plans	$ 4.3	$ 4.0	$ 3.9

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- References

No definition available.

+ Details

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- Definition

Amount of cost for defined contribution plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

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