An alternative minimum tax rate based on financial income imposed by the inflation Reduction Act of 2022.

No definition available.

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- Definition

An excise tax rate on the fair market value of stock repurchases by a publicly traded corporation per Inflation Reduction Act of 2022.

+ References

No definition available.

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- Definition

Income taxes.

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No definition available.

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- Definition

Minimum corporate tax average annual financial statement income amount per Inflation Reduction Act of 2022.

+ References

No definition available.

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- Definition

Minimum corporate tax average annual financial statement income amount for us and non us parented group.

+ References

No definition available.

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- Definition

Minimum corporate tax average annual financial statement income amount for U.S. member of non-U.S. parented group.

+ References

No definition available.

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- Definition

Tax year that remains open to examination under enacted tax laws, in CCYY format.

+ References

No definition available.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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- Definition

Amount of unrecognized tax benefits.

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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Income Taxes [Line Items]
Income tax provision	$ 1,112,000	$ (1,560,000)	$ 4,958,000	$ 1,129,000
Unrecognized tax benefits	$ 31,500,000		$ 31,500,000
Corporate Alternative Minimum Tax			15.00%
Excise tax rate on stock repurchases			1.00%
Adjusted [Member]
Income Taxes [Line Items]
Minimum corporate tax average annual adjusted financial statement income amount			$ 1,000,000,000
Minimum corporate tax average annual financial statement income amount for U.S and non-U.S parented group			1,000,000,000
Minimum corporate tax average annual adjusted financial statement income amount for U.S. member of non-U.S. parented group			$ 100,000,000
U.S. federal tax authorities [Member] \| Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year			2013
U.S. federal tax authorities [Member] \| Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year			2021
U.S. state tax authorities [Member] \| Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year			2009
U.S. state tax authorities [Member] \| Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year			2021
Foreign tax authorities [Member] \| Earliest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year			2015
Foreign tax authorities [Member] \| Latest tax year [Member]
Income Taxes [Line Items]
Income tax examination, year			2021