Note 5 - Earnings Per Share (Details Textual) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	98 Months Ended
Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018	Nov. 02, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	16,667	0	16,667	0
Stock Repurchase Programs, 2011 and 2018 [Member]
Treasury Stock, Shares, Acquired	58,263	0	1,588,741	100,000	4,300,000
Treasury Stock, Value, Acquired, Cost Method					$ 109
Stock Repurchase Program, 2011 [Member]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	2,500,000		2,500,000		2,500,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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