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CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Apr. 28, 2012
Apr. 30, 2011
May 01, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:      
Net income (loss) $ 8,489 $ 14,244 $ (6,989)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:      
Depreciation 17,273 19,354 21,945
Amortization 245 287 315
Amortization of premium/discount on marketable securities 183 48 0
Gain on sale of property and equipment (16) (62) (982)
Share-based compensation 3,262 3,370 3,762
Excess tax benefits from share-based compensation (48) (121) (71)
Equity in losses of affiliates 0 36 2,535
Impairment of goodwill 0 0 1,410
Loss on sale of equity investees 0 0 230
Provision for doubtful accounts (150) (37) 421
Deferred income taxes, net (68) 852 120
Change in operating assets and liabilities (9,132) 3,375 21,088
Net cash provided by operating activities 20,038 41,346 43,784
CASH FLOWS FROM INVESTING ACTIVITIES:      
Purchases of property and equipment (16,524) (9,386) (16,121)
Proceeds from sale of property and equipment 231 238 181
Purchases of marketable securities (18,870) (23,035) 0
Sales or maturities of marketable securities 16,410 0 0
Insurance recoveries on property and equipment 0 187 3,213
Other investing activities, net 0 2,110 (372)
Net cash used in investing activities (18,753) (29,886) (13,099)
CASH FLOWS FROM FINANCING ACTIVITIES:      
Borrowings on notes payable 782 2,316 0
Payments on notes payable (1,711) 0 0
Proceeds from exercise of stock options 547 1,352 365
Excess tax benefits from share-based compensation 48 121 71
Principal payments on long-term obligations 0 (26) (27)
Dividends paid (25,950) (24,795) (3,874)
Net cash used in financing activities (26,284) (21,032) (3,465)
EFFECT OF EXCHANGE RATE CHANGES ON CASH 114 277 (118)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS (24,885) (9,295) 27,102
CASH AND CASH EQUIVALENTS:      
Beginning of period 54,308 63,603 36,501
End of period $ 29,423 $ 54,308 $ 63,603