Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands | Preferred Stock [Member]Series C Preferred Stock [Member] | Preferred Stock [Member]Series D Preferred Stock [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Treasury Stock [Member]Series C Preferred Stock [Member] | Treasury Stock [Member]Common Treasury Stock [Member] | Series C Preferred Stock [Member] | Series D Preferred Stock [Member] | Common Treasury Stock [Member] | Total |
Beginning and end of period at Jan. 31, 2015 | $ 150 | $ 120 | | | | | | | | | | |
Beginning of period at May. 03, 2014 | | 240 | | | | | | | | | | |
Series D preferred redeemed | | (120) | | | | | | | | | | |
Beginning of period at May. 03, 2014 | | | $ 504 | | | | | | | | | |
Stock options exercised | | | | $ 144 | | | | | | | | |
End of period at Jan. 31, 2015 | | | $ 504 | | | | | | | | | |
Beginning of period at May. 03, 2014 | | | | 42,775 | | | | | | | | |
Series D preferred redeemed | | | | (5,791) | | | | | | | | |
Stock-based compensation | | | | 212 | | | | | | | | |
Stock-based tax benefits | | | | 171 | | | | | | | | |
End of period at Jan. 31, 2015 | | | | 37,511 | | | | | | | | |
Beginning of period at May. 03, 2014 | | | | | $ 80,737 | | | | | | | |
Net income | | | | | 37,129 | | | | | | | $ 37,129 |
Preferred stock dividends and accretion | | | | | (238) | | | | | | | |
End of period at Jan. 31, 2015 | | | | | 117,628 | | | | | | | |
Beginning of period at May. 03, 2014 | | | | | | $ (205) | | | | | | |
Cash flow hedges, net of tax | | | | | | (235) | | | | | | (235) |
End of period at Jan. 31, 2015 | | | | | | (440) | | | | | | |
Beginning and end of period at Jan. 31, 2015 | | | | | | | $ (5,100) | $ (12,900) | | | | |
Total Shareholders' Equity at Jan. 31, 2015 | | | | | | | | | | | | 137,473 |
Beginning and end of period at Jan. 31, 2016 | $ 150 | 120 | | | | | | | | | | |
Beginning of period at May. 02, 2015 | | 120 | | | | | | | $ 150 | $ 120 | | |
Beginning of period at May. 02, 2015 | | | 504 | | | | | | | | | 504 |
Stock options exercised | | | 1 | 681 | | | | | | | | |
End of period at Jan. 31, 2016 | | | 505 | | | | | | | | | |
Beginning of period at May. 02, 2015 | | | | 37,759 | | | | | | | | 37,759 |
Stock-based compensation | | | | 182 | | | | | | | | |
Stock-based tax benefits | | | | 1,027 | | | | | | | | |
End of period at Jan. 31, 2016 | | | | 39,649 | | | | | | | | |
Beginning of period at May. 02, 2015 | | | | | 129,773 | | | | | | | 129,773 |
Net income | | | | | 43,661 | | | | | | | |
Preferred stock dividends and accretion | | | | | (112) | | | | | | | |
End of period at Jan. 31, 2016 | | | | | 173,322 | | | | | | | |
Beginning of period at May. 02, 2015 | | | | | | (2,524) | | | | | | (2,524) |
Cash flow hedges, net of tax | | | | | | (274) | | | | | | |
End of period at Jan. 31, 2016 | | | | | | (2,798) | | | | | | |
Beginning and end of period at Jan. 31, 2016 | | | | | | | $ (5,100) | $ (12,900) | | | | |
Total Shareholders' Equity at Jan. 31, 2016 | | | | | | | | | | | | 192,948 |
Beginning and end of period at Jan. 30, 2016 | | | | | | | | | 150 | 120 | | |
Beginning of period at May. 02, 2015 | | $ 120 | | | | | | | 150 | $ 120 | | |
Beginning of period at May. 02, 2015 | | | $ 504 | | | | | | | | | 504 |
End of period at Jan. 30, 2016 | | | | | | | | | | | | 505 |
Beginning of period at May. 02, 2015 | | | | $ 37,759 | | | | | | | | 37,759 |
End of period at Jan. 30, 2016 | | | | | | | | | | | | 39,649 |
Beginning of period at May. 02, 2015 | | | | | $ 129,773 | | | | | | | 129,773 |
Net income | | | | | | | | | | | | 43,661 |
End of period at Jan. 30, 2016 | | | | | | | | | | | | 173,322 |
Beginning of period at May. 02, 2015 | | | | | | $ (2,524) | | | | | | (2,524) |
Cash flow hedges, net of tax | | | | | | | | | | | | (274) |
End of period at Jan. 30, 2016 | | | | | | | | | | | | (2,798) |
Beginning and end of period at Jan. 30, 2016 | | | | | | | | | $ (5,100) | | $ (12,900) | |
Total Shareholders' Equity at Jan. 30, 2016 | | | | | | | | | | | | $ 192,948 |