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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jun. 02, 2012
May 28, 2011
May 29, 2010
Operating activities:      
Net income $ 8,526 $ 87,948 $ 16,095
Adjustments to reconcile net income to cash provided by (used in) operating activities:      
Pre-tax gain on sale of RFPD   (111,432)  
Depreciation and amortization 1,112 1,964 4,052
Inventory provisions 512 1,926 1,260
Settlement from SSD transaction     1,173
Loss on retirement of short-term debt   60 204
Gain on sale of investments   (6) (35)
(Gain) Loss on disposal of assets (77) (11) 19
Income tax receivable (6,572)    
Stock compensation expense 481 1,188 657
Deferred income taxes 2,855 252 (146)
Accounts receivable 4,112 (6,611) (8,002)
Inventories (4,941) (17,491) 444
Prepaid expenses 5,058 (6,108) 556
Accounts payable (4,712) 2,043 9,070
Accrued liabilities (50,115) 37,612 663
Long-term income tax liabilities (5,205) 12,091 (1,298)
Other 243 (1,291) (416)
Net cash provided by operating activities (48,723) 2,134 24,296
Investing activities:      
Cash consideration paid for acquired business (2,291)    
Capital expenditures (218) (533) (1,332)
Settlement from SSD transaction     (1,000)
Proceeds from sale of assets 25 3 6
Proceeds from sale of RFPD, less costs to sell   228,973  
proceeds from maturity of investments 376,633 776,541  
purchases of investments (423,585) (844,907)  
Proceeds from sales of available-for-sale securities 208 186 186
Purchases of available-for-sale securities (208) (186) (186)
Other 39 (64) 7
Net cash provided by (used in) investing activities (49,397) 160,013 (2,319)
Financing activities:      
Proceeds from borrowings   181,800 45,100
Payments on debt   (181,800) (45,100)
Payments on retirement of short-term debt   (19,517) (32,807)
Repurchase of common stock (23,991) (8,838) (2,192)
Proceeds from issuance of common stock 807 5,434 680
Tax benefit from stock option exercises   346  
Cash dividends paid (3,315) (1,946) (1,399)
Other (75)   (1)
Net cash used in financing activities (26,574) (24,521) (35,719)
Effect of exchange rate changes on cash and cash equivalents (2,388) 4,311 (1,107)
Increase (decrease) in cash and cash equivalents (127,082) 141,937 (14,849)
Cash and cash equivalents at beginning of period 170,975 29,038 43,887
Cash and cash equivalents at end of period 43,893 170,975 29,038
Cash paid during the fiscal year for:      
Interest 1 1,229 5,001
Income taxes $ 40,143 $ 3,356 $ 1,468