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Share-Based Compensation (Share-Based Compensation Valuation of Stock Options) (Details)	6 Months Ended
	Jul. 31, 2021 shares
Share-based Payment Arrangement, Noncash Expense [Abstract]
Stock options granted	0

X

- References

No definition available.

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X

- Definition

Number of shares of stock issued attributable to transactions classified as other.

+ References

No definition available.

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