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Condensed Consolidated Statements of Operations (Unaudited) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Jul. 31, 2013
Jul. 31, 2012
Revenue:        
Product leases and royalties $ 29,349 $ 27,830 $ 87,941 $ 80,730
Product sales and service 44,185 35,556 121,791 104,763
Total revenue 73,534 63,386 209,732 185,493
Costs and expenses:        
Cost of leases and royalties 10,484 9,475 30,938 27,853
Cost of sales and service 17,272 13,889 45,050 39,308
Gross profit 45,778 40,022 133,744 118,332
Selling, general and administrative 27,257 19,007 71,169 55,991
Research and development 10,052 7,622 27,400 23,074
Total costs and expenses 65,065 49,993 174,557 146,226
Income from operations 8,469 13,393 35,175 39,267
Other income (expense):        
Interest income 209 116 551 429
Interest expense (266) (367) (789) (1,222)
Other, net 228 180 498 209
Total other income (expense) 171 (71) 260 (584)
Income from operations before tax 8,640 13,322 35,435 38,683
Income tax provision 2,231 2,898 10,122 10,875
Net income $ 6,409 $ 10,424 $ 25,313 $ 27,808
Basic earnings per share: (in Dollars per share) $ 0.11 $ 0.19 $ 0.44 $ 0.50
Diluted earnings per share: (in Dollars per share) $ 0.11 $ 0.18 $ 0.44 $ 0.49
Weighted average shares outstanding:        
Basic (in Shares) 57,117 56,284 56,927 55,700
Diluted (in Shares) 57,789 57,029 57,623 56,445