v2.4.0.6
Condensed Consolidated Statements Of Operations (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Mar. 31, 2012
Mar. 31, 2011
Condensed Consolidated Statements Of Operations [Abstract]        
Net sales (including related party sales of $3,347 and $2,916 in the three months ended March 31, 2012 and 2011, respectively, and $8,825 and $7,574 in the nine months ended March 31, 2012 and 2011, respectively) $ 240,178 $ 234,288 $ 737,978 $ 682,279
Cost of sales (including related party purchases of $40,166 and $39,965 in the three months ended March 31, 2012 and 2011, respectively, and $115,899 and $122,702 in the nine months ended March 31, 2012 and 2011, respectively) 199,449 196,432 615,009 571,207
Gross profit 40,729 37,856 122,969 111,072
Operating expenses:        
Research and development 17,162 12,202 46,643 34,945
Sales and marketing 8,175 6,538 23,917 19,447
General and administrative 5,802 3,958 15,587 12,589
Total operating expenses 31,139 22,698 86,147 66,981
Income from operations 9,590 15,158 36,822 44,091
Interest and other income, net 9 21 46 56
Interest expense (189) (161) (556) (489)
Income before income tax provision 9,410 15,018 36,312 43,658
Income tax provision 2,333 4,322 11,969 14,176
Net income $ 7,077 $ 10,696 $ 24,343 $ 29,482
Net income per common share:        
Basic $ 0.17 $ 0.28 $ 0.59 $ 0.77
Diluted $ 0.16 $ 0.25 $ 0.55 $ 0.69
Weighted-average shares used in calculation of net income per common share:        
Basic 41,126 38,269 40,679 37,647
Diluted 44,610 42,854 43,957 41,979