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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data | Total | common stock | capital contributed in excess of par value | Accumulated (deficit) earnings | accumulated other comprehensive income
--- | --- | --- | --- | --- | ---
balance at May. 03, 2009 | $ 48,031 | $ 638 | $ 47,728 | $ (355) | $ 20
balance (in shares) at May. 03, 2009 |  | 12,767,527 |  |  |
net income | 13,188 |  |  | 13,188 |
stock-based compensation | 834 |  | 834 |  |
gain (loss) on cash flow hedge, net of taxes | 83 |  |  |  | 83
restricted stock granted (in shares) |  | 80,000 |  |  |
restricted stock granted |  | 4 | (4) |  |
common stock issued in connection with performance based units (in shares) |  | 80,000 |  |  |
common stock issued in connection with performance based units |  | 4 | (4) |  |
common stock surrendered for withholding taxes payable and cost of option exercises | (191) | (1) | (190) |  |
common stock surrendered for withholding taxes payable and cost of option exercises (in shares) |  | (20,658) |  |  |
excess tax benefit related to stock options exercised | 429 |  | 429 |  |
common stock issued in connection with stock option plans (in shares) |  | 144,916 |  |  |
common stock issued in connection with stock option plans | 673 | 7 | 666 |  |
balance at May. 02, 2010 | 63,047 | 652 | 49,459 | 12,833 | 103
balance (in shares) at May. 02, 2010 |  | 13,051,785 |  |  |
net income | 16,164 |  |  | 16,164 |
stock-based compensation | 360 |  | 360 |  |
gain (loss) on cash flow hedge, net of taxes | (103) |  |  |  | (103)
common stock issued in connection with performance based units (in shares) |  | 40,000 |  |  |
common stock issued in connection with performance based units |  | 2 | (2) |  |
common stock surrendered for withholding taxes payable and cost of option exercises | (563) | (3) | (560) |  |
common stock surrendered for withholding taxes payable and cost of option exercises (in shares) |  | (60,415) |  |  |
excess tax benefit related to stock options exercised | 339 |  | 339 |  |
fully vested common stock award |  | 3,114 |  |  |
common stock issued in connection with stock option plans (in shares) |  | 229,974 |  |  |
common stock issued in connection with stock option plans | 1,097 | 12 | 1,085 |  |
balance at May. 01, 2011 | 80,341 | 663 | 50,681 | 28,997 |
balance (in shares) at May. 01, 2011 |  | 13,264,458 |  |  |
net income | 13,296 |  |  | 13,296 |
stock-based compensation | 349 |  | 349 |  |
unrealized gain on short-term investments | 16 |  |  |  | 16
excess tax benefit related to stock options exercised | 64 |  | 64 |  |
common stock repurchased | (5,384) | (31) | (5,353) |  |
common stock repurchased (in shares) |  | (624,127) |  |  |
fully vested common stock award |  | 3,075 |  |  |
common stock issued in connection with stock option plans (in shares) |  | 59,400 |  |  |
common stock issued in connection with stock option plans | 318 | 3 | 315 |  |
balance at Apr. 29, 2012 | $ 89,000 | $ 635 | $ 46,056 | $ 42,293 | $ 16
balance (in shares) at Apr. 29, 2012 |  | 12,702,806 |  |  |

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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
Name: | us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration