Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Net sales (including related party sales of $19,453, $58,013 and $14,576 in fiscal years 2016, 2015 and 2014, respectively)	$ 2,215,573	$ 1,991,155	$ 1,467,202
Cost of sales (including related party purchases of $241,836, $227,562 and $201,848 in fiscal years 2016, 2015 and 2014, respectively)	1,884,048	1,670,924	1,241,657
Gross profit	331,525	320,231	225,545
Operating expenses:
Research and development	123,994	100,257	84,257
Sales and marketing	62,841	48,851	38,012
General and administrative	37,840	24,377	23,017
Total operating expenses	224,675	173,485	145,286
Income from operations	106,850	146,746	80,259
Interest and other income, net	171	115	92
Interest expense	(1,594)	(965)	(757)
Income before income tax provision	105,427	145,896	79,594
Income tax provision	33,406	44,033	25,437
Net income	$ 72,021	$ 101,863	$ 54,157
Net income per common share:
Basic (in dollars per share)	$ 1.50	$ 2.19	$ 1.24
Diluted (in dollars per share)	$ 1.39	$ 2.03	$ 1.16
Weighted-average shares used in calculation of net income per common share:
Basic (in shares)	47,917	46,434	43,599
Diluted (in shares)	51,836	50,094	46,512