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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Nov. 02, 2014
Oct. 27, 2013
Cash flows from operating activities:    
Net income $ 6,346 $ 6,326
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation 2,812 2,636
Amortization of other assets 94 81
Stock-based compensation 291 376
Excess tax benefit related to stock-based compensation (108) (143)
Deferred income taxes 2,061 2,140
Gain on sale of equipment (35) (74)
Foreign currency exchange (gains) losses (171) 203
Changes in assets and liabilities, net of effects of acquisition of assets:    
Accounts receivable 2,360 (1,419)
Inventories 2,467 (6,331)
Other current assets 34 (437)
Other assets (36) (47)
Accounts payable - trade (1,275) 5,923
Accrued expenses and deferred compensation (324) (158)
Income taxes 22 367
Net cash provided by operating activities 14,538 9,443
Cash flows from investing activities:    
Capital expenditures (5,087) (1,900)
Net cash paid for acquisition of assets   (2,640)
Proceeds from the sale of equipment 391 113
Proceeds from life insurance policies 320  
Payments on life insurance policies   (30)
Proceeds from the sale of short-term investments 1,628  
Purchase of short-term investments (1,675) (1,047)
Purchase of long-term investments (1,146)  
Net cash used in investing activities (5,569) (5,504)
Cash flows from financing activities:    
Payments on lines of credit (538)  
Payments on long-term debt (2,200) (2,200)
Proceeds from common stock issued 89 194
Common stock shares repurchased (745)  
Dividends paid (6,113) (979)
Debt issuance costs   (62)
Excess tax benefit related to stock-based compensation 108 143
Net cash used in financing activities (9,399) (2,904)
Effect of exchange rate changes on cash and cash equivalents 80 (298)
(Decrease) increase in cash and cash equivalents (350) 737
Cash and cash equivalents at beginning of period 29,303 [1] 23,530
Cash and cash equivalents at end of period $ 28,953 $ 24,267
[1] Derived from audited financial statements.