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 Nov. 01, 2014 | $ 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 | | | | $ 39 | | | | | | | | |
End of period at Nov. 01, 2014 | | | $ 504 | | | | | | | | | |
Beginning of period at May. 03, 2014 | | | | 42,775 | | | | | | | | |
Series D preferred redeemed | | | | (5,791) | | | | | | | | |
Stock-based compensation | | | | 131 | | | | | | | | |
Stock-based tax benefits | | | | 16 | | | | | | | | |
End of period at Nov. 01, 2014 | | | | 37,170 | | | | | | | | |
Beginning of period at May. 03, 2014 | | | | | $ 80,737 | | | | | | | |
Net income | | | | | 28,321 | | | | | | | $ 28,321 |
Preferred stock dividends and accretion | | | | | (200) | | | | | | | |
End of period at Nov. 01, 2014 | | | | | 108,858 | | | | | | | |
Beginning of period at May. 03, 2014 | | | | | | $ (205) | | | | | | |
Cash flow hedges, net of tax | | | | | | 611 | | | | | | 611 |
End of period at Nov. 01, 2014 | | | | | | 406 | | | | | | |
Beginning and end of period at Nov. 01, 2014 | | | | | | | $ (5,100) | $ (12,900) | | | | |
Total Shareholders' Equity at Nov. 01, 2014 | | | | | | | | | | | | 129,208 |
Beginning and end of period at Oct. 31, 2015 | $ 150 | 120 | | | | | | | $ 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 | 441 | | | | | | | | |
End of period at Oct. 31, 2015 | | | $ 505 | | | | | | | | | 505 |
Beginning of period at May. 02, 2015 | | | | 37,759 | | | | | | | | 37,759 |
Stock-based compensation | | | | 128 | | | | | | | | |
Stock-based tax benefits | | | | 211 | | | | | | | | |
End of period at Oct. 31, 2015 | | | | $ 38,539 | | | | | | | | 38,539 |
Beginning of period at May. 02, 2015 | | | | | 129,773 | | | | | | | 129,773 |
Net income | | | | | 32,425 | | | | | | | 32,425 |
Preferred stock dividends and accretion | | | | | (75) | | | | | | | |
End of period at Oct. 31, 2015 | | | | | $ 162,123 | | | | | | | 162,123 |
Beginning of period at May. 02, 2015 | | | | | | (2,524) | | | | | | (2,524) |
Cash flow hedges, net of tax | | | | | | (2,029) | | | | | | (2,029) |
End of period at Oct. 31, 2015 | | | | | | $ (4,553) | | | | | | (4,553) |
Beginning and end of period at Oct. 31, 2015 | | | | | | | $ (5,100) | $ (12,900) | $ (5,100) | | $ (12,900) | |
Total Shareholders' Equity at Oct. 31, 2015 | | | | | | | | | | | | $ 178,884 |