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Consolidated Statements of Shareholders' Equity (USD $) In Millions, except Share data, unless otherwise specified | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income | Treasury Stock | Retained Earnings | Non-Controlling Interest | Eetrex | Eetrex Additional Paid-in Capital | Eetrex Non-Controlling Interest
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Apr. 30, 2011 | $ 261.1 | $ 19.2 | $ 72.1 | $ 23.1 | $ (11.4) | $ 156.0 | $ 2.1 |  |  |
Balance, shares at Apr. 30, 2011 |  | 38,312,243 |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Earned portion of restircted stock awards, shares |  | 32,860 |  |  |  |  |  |  |  |
Earned portion of restricted stock awards | 0 | 0 | 0 |  |  |  |  |  |  |
Stock award and stock option amortization expense | 4.0 |  | 4.0 |  |  |  |  |  |  |
Vested stock awards withheld for payroll taxes, shares |  | (1,400) |  |  |  |  |  |  |  |
Vested stock awards withheld for payroll taxes | 0 | 0 | 0 |  |  |  |  |  |  |
Exercise of options, shares |  | 31,975 |  |  |  |  |  |  |  |
Exercise of options | 0.2 | 0 | 0.2 |  |  |  |  |  |  |
Purchase of non-controlling interest |  |  |  |  |  |  |  | 0 | 1.3 | (1.3)
Noncontrolling Interest, Increase from Sale of Parent Equity Interest | (0.4) |  |  |  |  |  | (0.4) |  |  |
Foreign currency translation adjustments | (7.5) |  |  | (7.5) |  |  | 0 |  |  |
Net income/(loss) for year | 8.2 |  |  |  |  | 8.4 | (0.2) |  |  |
Cash dividends on common stock | (10.4) |  |  |  |  | (10.4) |  |  |  |
Balance at Apr. 28, 2012 | 255.2 | 19.2 | 77.6 | 15.6 | (11.4) | 154.0 | 0.2 |  |  |
Balance, shares at Apr. 28, 2012 |  | 38,375,678 |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Earned portion of restircted stock awards, shares |  | 27,000 |  |  |  |  |  |  |  |
Earned portion of restricted stock awards | 0 | 0 | 0 |  |  |  |  |  |  |
Stock award and stock option amortization expense | 3.3 |  | 3.3 |  |  |  |  |  |  |
Exercise of options, shares |  | 53,175 |  |  |  |  |  |  |  |
Exercise of options | 0.6 | 0 | 0.6 |  |  |  |  |  |  |
Foreign currency translation adjustments | 0.1 |  |  | 0.1 |  |  | 0 |  |  |
Net income/(loss) for year | 40.7 |  |  |  |  | 40.7 | 0 |  |  |
Cash dividends on common stock | (10.3) |  |  |  |  | (10.3) |  |  |  |
Balance at Apr. 27, 2013 | 289.6 | 19.2 | 81.5 | 15.7 | (11.4) | 184.4 | 0.2 |  |  |
Balance, shares at Apr. 27, 2013 |  | 38,455,853 |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Earned portion of restircted stock awards, shares |  | 27,000 |  |  |  |  |  |  |  |
Earned portion of restricted stock awards | 0 | 0 | 0 |  |  |  |  |  |  |
Stock award and stock option amortization expense | 3.3 |  | 3.3 |  |  |  |  |  |  |
Exercise of options, shares |  | 779,315 |  |  |  |  |  |  |  |
Exercise of options | 5.0 | 0.4 | 4.6 |  |  |  |  |  |  |
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation | 0.4 |  | 0.4 |  |  |  |  |  |  |
Foreign currency translation adjustments | 9.0 |  |  | 9.0 |  |  | 0 |  |  |
Net income/(loss) for year | 96.2 |  |  |  |  | 96.1 | 0.1 |  |  |
Cash dividends on common stock | (11.3) |  |  |  |  | (11.3) |  |  |  |
Balance at May. 03, 2014 | $ 392.2 | $ 19.6 | $ 89.8 | $ 24.7 | $ (11.4) | $ 269.2 | $ 0.3 |  |  |
Balance, shares at May. 03, 2014 |  | 39,262,168 |  |  |  |  |  |  |  |

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