Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
OPERATING ACTIVITIES:
Net income	$ 48,388	$ 52,105
Reconciliation of net income to net cash provided by (used in) operating activities:
Depreciation and amortization	5,953	3,845
Stock-based compensation expense	7,882	6,161
Excess tax benefits from stock-based compensation	(355)	(2,782)
Allowance for doubtful accounts	805	(87)
Provision for inventory	3,780	4,175
Exchange gain	(1,539)	(1,305)
Deferred income taxes	(4,380)	121
Changes in operating assets and liabilities:
Accounts receivable, net (including changes in related party balances of $6,702 and $(517) during the six months ended December 31, 2015 and 2014, respectively)	7,613	(45,959)
Inventory	(26,818)	(97,543)
Prepaid expenses and other assets	(4,259)	793
Accounts payable (including changes in related party balances of $202 and $8,185 during the six months ended December 31, 2015 and 2014, respectively)	20,738	60,016
Income taxes payable, net	650	5,314
Accrued liabilities	9,715	4,795
Other long-term liabilities	18,749	1,664
Net cash provided by (used in) operating activities	86,922	(8,687)
INVESTING ACTIVITIES:
Restricted cash	(404)	(1)
Investment in a privately held company	0	(661)
Purchases of property, plant and equipment	(15,235)	(11,031)
Net cash used in investing activities	(15,639)	(11,693)
FINANCING ACTIVITIES:
Proceeds from exercise of stock options	2,439	12,745
Minimum tax withholding paid on behalf of employees for restricted stock units	(504)	0
Excess tax benefits from stock-based compensation	355	2,782
Proceeds from debt	14,400	5,200
Repayment of debt	(13,300)	(14,400)
Payment of obligations under capital leases	(86)	(58)
Advances (payments) under receivable financing arrangements	(18)	918
Net cash provided by financing activities	3,286	7,187
Effect of exchange rate fluctuations on cash	(119)	(478)
Net increase (decrease) in cash and cash equivalents	74,450	(13,671)
Cash and cash equivalents at beginning of period	95,442	96,872
Cash and cash equivalents at end of period	169,892	83,201
Supplemental disclosure of cash flow information:
Cash paid for interest	693	382
Cash paid for taxes, net of refunds	19,636	15,464
Non-cash investing and financing activities:
Equipment purchased under capital leases	127	336
Accrued costs for property, plant and equipment purchases	$ 5,366	$ 7,874