CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
OPERATING ACTIVITIES:
Net income	$ 57,163	$ 13,382	$ 4,018
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,984	6,198	5,735
Deferred income tax expense (benefit)	(12,886)	783	1,082
Share-based compensation	9,026	1,477	2,162
Excess tax benefits on share-based compensation awards	(7,017)	(240)
Loss (gain) on sale of assets	142	(111)	(4)
Loss (gain) on investment securities	(1,907)	(699)	103
JSP contract renewal cost	20,100
Other noncash expenses	111	16	15
Changes in assets and liabilities which provided (used) cash:
Trade accounts receivable	(34,912)	173	(6,285)
Inventories	(12,313)	(5,467)	(161)
Income taxes payable	11,432	2,514	1,516
Prepaid expenses and other assets	154	317	(110)
Rebates payable	3,491	(345)	1,012
Accounts payable	(1,686)	4,679	(389)
Accrued expenses	2,271	111	164
Accrued payroll and payroll related	5,950	3,712	2,263
Net cash provided by operating activities	45,103	26,500	11,121
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(26,082)	(7,788)	(5,237)
Proceeds from sale of property, plant and equipment	48	279	7
Proceeds from sale of investment securities	23,374	22,456	35,910
Purchase of investment securities	(53,699)	(23,550)	(23,301)
Net cash provided by (used in) investing activities	(56,359)	(8,603)	7,379
FINANCING ACTIVITIES:
Repayments of debt	(5,376)	(647)	(661)
Proceeds from issuance of stock in connection with share-based compensation plans	5,369
Excess tax benefits on share-based compensation awards	7,017	240
Proceeds from issuance of stock	71,478	3,083	272
Deferred financing fees	(402)
Purchase of treasury stock	(3,925)	(440)	(722)
Distribution to noncontrolling interest		(22)	(19)
Net cash provided by (used in) financing activities	74,161	2,214	(1,130)
Effect on cash and cash equivalents of changes in foreign exchange rates	(7)	16	(85)
NET INCREASE IN CASH AND CASH EQUIVALENTS	62,898	20,127	17,285
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	42,689	22,562	5,277
CASH AND CASH EQUIVALENTS, END OF PERIOD	105,587	42,689	22,562
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest paid	130	251	272
Income taxes paid	$ 34,311	$ 4,006	$ 1