Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Net sales (including related party sales of $85,759, $69,906, and $68,637 in fiscal years 2020, 2019 and 2018, respectively)	$ 3,339,281	$ 3,500,360	$ 3,360,492
Cost of sales (including related party purchases of $283,056, $276,843 and $262,747 in fiscal years 2020, 2019 and 2018, respectively)	2,813,071	3,004,838	2,930,498
Gross profit	526,210	495,522	429,994
Operating expenses:
Research and development	221,478	179,907	165,104
Sales and marketing	85,137	77,154	71,579
General and administrative	133,941	141,228	98,597
Total operating expenses	440,556	398,289	335,280
Income from operations	85,654	97,233	94,714
Other income (expense), net	1,410	(1,020)	(773)
Interest expense	(2,236)	(6,690)	(5,726)
Income before income tax provision	84,828	89,523	88,215
Income tax provision	(2,922)	(14,884)	(38,443)
Share of income (loss) from equity investee, net of taxes	2,402	(2,721)	(3,607)
Net income	$ 84,308	$ 71,918	$ 46,165
Net income per common share:
Basic (in dollars per share)	$ 1.65	$ 1.44	$ 0.94
Diluted (in dollars per share)	$ 1.60	$ 1.39	$ 0.89
Weighted-average shares used in calculation of net income per common share:
Basic (in shares)	50,987	49,917	49,345
Diluted (in shares)	52,838	51,716	52,151