Stock repurchase program authorization date.

No definition available.

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- Definition

Stock repurchase program, extended expiration date.

+ References

No definition available.

+ Details

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- Definition

Stock repurchase program, extended expiration period.

+ References

No definition available.

+ Details

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- Definition

Stock repurchase program inception month and year.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The cash outflow to reacquire common stock during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

+ Details

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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- Definition

Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
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-Publisher FASB
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Capital Stock - Additional Information (Detail) - USD ($)					12 Months Ended			56 Months Ended
	May 29, 2020	Mar. 16, 2020	May 29, 2019	Jun. 30, 2016	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2021
Class Of Stock [Line Items]
Preference shares, shares authorized					20,000,000	20,000,000		20,000,000
Preference shares, par value					$ 0.00045	$ 0.00045		$ 0.00045
Preference shares, shares issued					0	0		0
Preference shares, shares outstanding					0	0		0
Amount authorized under stock repurchase program					$ 275,000,000.0			$ 275,000,000.0
Stock repurchase program, inception period				2016-06
Stock repurchased, shares								4,011,595
Stock repurchased during period, cash					$ 1,000,000	$ 0	$ 99,904,000	$ 175,800,000
Stock Repurchase Program $50.0 Million Authorization [Member]
Class Of Stock [Line Items]
Stock repurchase program, authorization date			May 29, 2019
Stock repurchase program, expiration date			Jun. 30, 2020		Jun. 30, 2021
Stock repurchased, shares		25,719
Stock repurchased during period, cash		$ 1,000,000.0
Amount available under stock repurchase program					$ 49,000,000.0			$ 49,000,000.0
Stock repurchase program, extended expiration period	12 months
Stock repurchase program, extended expiration date	Jun. 30, 2021
Stock Repurchase Program $50.0 Million Authorization [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Amount authorized under stock repurchase program			$ 50,000,000.0