Note 15 - Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	May 02, 2020		Feb. 01, 2020	May 04, 2019
Reported Value Measurement [Member]
Borrowings under revolving credit agreement	$ 438.5	[1]	$ 275.0	$ 318.0
Long-term debt	200.0	[1]	200.0	200.0
Total debt	638.5	[1]	475.0	518.0
Estimate of Fair Value Measurement [Member]
Borrowings under revolving credit agreement	438.5		275.0	318.0	[1]
Long-term debt	178.0		205.0	208.0	[1]
Total debt	$ 616.5		$ 480.0	$ 526.0	[1]

[1] Excludes unamortized debt issuance costs and debt discount