Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Income Statement [Abstract]
Net sales (including related party sales of $2,893 and $2,835 in the three months ended September 30, 2012 and 2011, respectively	$ 270,707	$ 247,885
Cost of sales (including related party purchases of $49,257 and $37,393 in the three months ended September 30, 2012, and 2011, respectively)	235,692	208,259
Gross profit	35,015	39,626
Operating expenses:
Research and development	18,221	13,824
Sales and marketing	8,766	7,710
General and administrative	6,346	4,578
Total operating expenses	33,333	26,112
Income from operations	1,682	13,514
Interest and other income, net	15	17
Interest expense	(155)	(194)
Income before income tax provision	1,542	13,337
Income tax provision	643	4,845
Net income	$ 899	$ 8,492
Net income per common share:
Basic (Per Share)	$ 0.02	$ 0.21
Diluted (Per Share)	$ 0.02	$ 0.19
Weighted-average shares used in calculation of net income per common share:
Basic (Shares)	41,667	40,356
Diluted (Shares)	44,174	43,395