CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
OPERATING ACTIVITIES:
Net income	$ 33,611	$ 9,765
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,775	4,622
Deferred income tax expense (benefit)	(7,240)	625
Share-based compensation	5,833	1,192
Tax benefits on stock options exercised	(5,234)
Loss (gain) on sale of assets	55	(51)
Gain on investment securities	(1,765)	(843)
JSP contract renewal cost	20,100
Other noncash expenses	175	12
Changes in assets and liabilities which provided (used) cash:
Accounts receivable, net	(32,823)	920
Inventories	(8,834)	(5,783)
Prepaid income taxes/income taxes payable	2,489	1,907
Prepaid expenses and other assets	(210)	(395)
Accounts payable	(1,398)	(2,280)
Accrued expenses	6,063	1,528
Accrued payroll and payroll related	172	2,149
Net cash provided by operating activities	15,769	13,368
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(20,194)	(5,889)
Proceeds from sale of property, plant and equipment	48	279
Proceeds from sale of investment securities	20,640	17,646
Purchase of investment securities	(49,778)	(16,041)
Net cash used in investing activities	(49,284)	(4,005)
FINANCING ACTIVITIES:
Repayments of debt	(5,345)	(379)
Proceeds from issuance of stock in connection with share-based compensation plans	4,671	1,995
Tax benefits on stock options exercised	5,234
Proceeds from stock offering	71,478
Deferred financing fees	(402)
Purchase of treasury stock	(695)	(440)
Distribution to noncontrolling interest		(19)
Net cash provided by financing activities	74,941	1,157
Effect on cash and cash equivalents of changes in foreign exchange rates	(2)	(16)
NET INCREASE IN CASH AND CASH EQUIVALENTS	41,424	10,504
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	42,689	22,562
CASH AND CASH EQUIVALENTS, END OF PERIOD	84,113	33,066
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest paid	117	194
Income taxes paid	$ 23,589	$ 2,821