Share-Based Compensation (Options Granted Under Stock Option Plans) (Details) shares in Thousands	9 Months Ended
Oct. 29, 2022 $ / shares shares
Number of Shares
Options outstanding at beginning of year	3,211
Granted	576
Exercised	(134)
Expired or cancelled	(282)
Options outstanding at end of period	3,371
Options exercisable at end of period	2,610
Weighted-Average Exercise Price
Options outstanding at beginning of year \| $ / shares	$ 48.84
Granted \| $ / shares	31.53
Exercised \| $ / shares	25.99
Expired or cancelled \| $ / shares	42.62
Options outstanding at end of period \| $ / shares	47.31
Options exercisable at end of period \| $ / shares	$ 51.82
Options outstanding, weighted-average remaining contractual life	4 years 9 months 18 days
Options exercisable at end of period, Weighted-average remaining contractual life	3 years 7 months 6 days
2007 Stock Plan [Member]
Number of Shares
Options available for future grant at end of period	2,822
Employment Inducement Plan [Member]
Number of Shares
Options available for future grant at end of period	546

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Net number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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