CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
OPERATING ACTIVITIES:
Net Income	$ 149,992	$ 57,163	$ 13,382
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,583	5,984	6,198
Deferred income tax expense (benefit)	(3,266)	(12,886)	783
Share-based compensation	6,397	9,026	1,477
Excess tax benefits on share-based compensation awards	(8,051)	(7,017)	(240)
Loss (gain) on sale of assets	(33)	142	(111)
Gain on investment securities	(705)	(1,907)	(699)
JSP contract renewal cost		20,100
Other noncash expenses	110	111	16
Changes in assets and liabilities which provided (used) cash; net of acquisitions:
Trade accounts receivable	(25,382)	(34,912)	173
Inventories	1,358	(12,313)	(5,467)
Prepaid income taxes/income taxes payable	5,127	11,432	2,514
Prepaid expenses and other assets	(1,673)	154	317
Rebates payable	2,995	3,491	(345)
Accounts payable	(2,498)	(1,686)	4,679
Accrued expenses	1,027	2,271	111
Accrued payroll and payroll-related expenses	(2,463)	5,950	3,712
Net cash provided by operating activities	128,518	45,103	26,500
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(31,676)	(26,082)	(7,788)
Proceeds from sale of property, plant and equipment	94	48	279
Purchases of intangible assets	(300)
Acquisition, net of cash acquired	(41,862)
Proceeds from sale of investment securities	75,770	23,374	22,456
Purchase of investment securities	(47,839)	(53,699)	(23,550)
Net cash used in investing activities	(45,813)	(56,359)	(8,603)
FINANCING ACTIVITIES:
Repayments of debt	(129)	(5,376)	(647)
Proceeds from issuance of stock	4,938	5,369	3,083
Excess tax benefits on share-based compensation awards	8,051	7,017	240
Proceeds from stock offering		71,478
Deferred financing fees	(435)	(402)
Purchase of treasury stock	(121)	(3,925)	(440)
Distributions to noncontrolling shareholders	(15)		(22)
Net cash provided by financing activities	12,289	74,161	2,214
Effect on cash and cash equivalents of changes in foreign exchange rates	(241)	(7)	16
NET INCREASE IN CASH AND CASH EQUIVALENTS	94,753	62,898	20,127
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	105,587	42,689	22,562
CASH AND CASH EQUIVALENTS, END OF PERIOD	200,340	105,587	42,689
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest paid	206	130	251
Income taxes paid	$ 75,569	$ 34,311	$ 4,006