Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Number of shares that have been repurchased and retired during the period.

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- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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Repurchase of Common Stock - Summary of share repurpose activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Nov. 30, 2021	Aug. 31, 2021	May 31, 2021	Nov. 30, 2020	Aug. 31, 2020	May 31, 2020	Nov. 30, 2021	Nov. 30, 2020
Repurchase of common stock
Aggregate value of shares	$ 2,829	$ 116	$ 110,074	$ 192,800	$ 148	$ 10,013
Stock Compensation Plan
Repurchase of common stock
Number of shares (in shares)	12,059			6,115,000			78,206	67,740,000
Aggregate value of shares	$ 2,829			$ 1,194			$ 17,535	$ 11,355
Average price per share (in dollars per share)	$ 234.56			$ 195.26			$ 224.22	$ 167.63
Open Market
Repurchase of common stock
Number of shares (in shares)	0			960,829			436,842	960,829
Aggregate value of shares	$ 0			$ 191,606			$ 95,484	$ 191,606
Average price per share (in dollars per share)	$ 0			$ 199.42			$ 218.58	$ 199.42