Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
OPERATING ACTIVITIES:
Net income	$ 67,369	$ 54,275
Reconciliation of net income to net cash provided by operating activities:
Depreciation and amortization	15,681	14,427
Stock-based compensation expense	16,191	13,623
Recovery of allowance for doubtful accounts	(636)	(476)
Provision for excess and obsolete inventories	3,691	1,740
Share of (income) loss from equity investee	(627)	145
Foreign currency exchange (gain) loss	(2,738)	2,905
Deferred income taxes, net	1,451	(883)
Other	1,045	(699)
Changes in operating assets and liabilities:
Accounts receivable, net (including changes in related party balances of $(25,854) and $(6,304) during the six months ended December 31, 2021 and 2020, respectively)	(33,491)	81,156
Inventories	(356,399)	42,327
Prepaid expenses and other assets (including changes in related party balances of $(11,165) and $7,629 during the six months ended December 31, 2021 and 2020, respectively)	(24,481)	27,426
Accounts payable (including changes in related party balances of $25,940 and $(24,112) during the six months ended December 31, 2021 and 2020, respectively)	83,188	(25,296)
Income taxes payable	1,723	5,855
Deferred revenue	50,235	(8,864)
Accrued liabilities (including changes in related party balances of $1,501 and $(4,867) during the six months ended December 31, 2021 and 2020, respectively)	(2,507)	(20,619)
Other long-term liabilities (including changes in related party balances of $0 and $(1,671) during the six months ended December 31, 2021 and 2020, respectively)	(7,417)	(3,240)
Net cash provided by (used in) operating activities	(187,722)	183,802
INVESTING ACTIVITIES:
Purchases of property, plant and equipment (including payments to related parties of $1,770 and $3,058 during the six months ended December 31, 2021 and 2020, respectively)	(23,206)	(25,551)
Investment in a privately-held company	(1,100)	0
Net cash used in investing activities	(24,306)	(25,551)
FINANCING ACTIVITIES:
Proceeds from borrowings, net of debt issuance costs	587,719	14,669
Repayment of debt	(367,295)	(537)
Proceeds from exercise of stock options, net of taxes	11,588	10,767
Payment of withholding tax on vesting of restricted stock units	(4,801)	(3,718)
Stock repurchases	0	(74,824)
Payments of obligations under finance leases	(38)	(54)
Net cash provided by (used in) by financing activities	227,173	(53,697)
Effect of exchange rate fluctuations on cash	(9)	540
Net increase in cash, cash equivalents and restricted cash	15,136	105,094
Cash, cash equivalents and restricted cash at the beginning of the period	233,449	212,390
Cash, cash equivalents and restricted cash at the end of the period	248,585	317,484
Supplemental disclosure of cash flow information:
Cash paid for interest	1,765	950
Cash paid for taxes, net of refunds	7,270	(698)
Non-cash investing and financing activities:
Unpaid property, plant and equipment purchases (including due to related parties of $2,312 and $3,056 as of December 31, 2021 and 2020, respectively)	11,140	11,596
Right of use ("ROU") assets obtained in exchange for operating lease commitments	7,379	2,693
Unpaid stock repurchases	$ 0	$ 2,164