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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Apr. 29, 2017
Apr. 30, 2016
May 02, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:      
Net income $ 10,342 $ 2,061 $ 20,882
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 18,562 16,943 15,136
Impairment of intangible assets 830 0 0
Loss (gain) on sale of property, equipment and other assets 36 (71) (1,207)
Share-based compensation 2,914 2,958 3,038
Gain on sale of equity investee 0 (119) 0
Provision for doubtful accounts 1,426 481 (222)
Deferred income taxes, net (2,043) 911 2,146
Change in operating assets and liabilities 7,322 (9,583) 13,740
Net cash provided by operating activities 39,389 13,581 53,513
CASH FLOWS FROM INVESTING ACTIVITIES:      
Purchases of property and equipment (8,502) (17,056) (21,837)
Proceeds from sales of property, equipment and other assets 199 152 4,037
Purchases of marketable securities (24,159) (21,286) (15,653)
Proceeds from sales or maturities of marketable securities 15,928 21,862 15,532
Proceeds from sale of equity method investments 0 377 0
Acquisitions, net of cash acquired (1,646) (7,867) (6,306)
Net cash used in investing activities (18,180) (23,818) (24,227)
CASH FLOWS FROM FINANCING ACTIVITIES:      
Payments on notes payable (8) (38) (81)
Principal payments on long-term obligations (921) (467) (1,163)
Dividends paid (13,651) (17,556) (17,377)
Proceeds from exercise of stock options 343 610 2,513
Payments for common shares repurchased (1,825) 0 0
Tax payments related to RSU issuances (261) (303) (307)
Net cash used in financing activities (16,323) (17,754) (16,415)
EFFECT OF EXCHANGE RATE CHANGES ON CASH (591) (965) (641)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 4,295 (28,956) 12,230
CASH AND CASH EQUIVALENTS:      
Beginning of period 28,328 57,284 45,054
End of period $ 32,623 $ 28,328 $ 57,284