CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Operating activities:
Net income	$ 22,328	$ 16,981	$ 8,968
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,944	6,942	5,502
Provision for doubtful accounts	409	211	172
Non-cash stock compensation	1,788	1,168	854
Unrealized gain on trading securities	0	0	(140)
Deferred income taxes	(2,649)	(1,777)	(675)
Earnings on equity investment in joint venture	(1,790)	(1,598)	(1,624)
Contingent consideration	3,244	761
Changes in assets and liabilities:
Trade receivables	(14,985)	5,711	1,915
Other receivables	(2,685)	1,446	7,659
Inventory	1,632	(9,926)	2,224
Prepaid expenses and other current assets	(694)	(594)	500
Other assets	610	756	(325)
Accounts payable	(3,228)	(978)	2,473
Accrued expenses and other liabilities	12,807	(5,834)	(13,465)
Net cash provided by operating activities	23,731	13,269	14,038
Investing activities:
Payment for net assets of business acquired			(64,211)
Purchases of investments	(2,698)	(1,155)	(468)
Sales of investments	2,029	475
Distributions from joint venture	1,745	1,712	1,807
Payments received on notes receivable		350	750
Proceeds from sale of intangible assets		400	400
Payments for intangible assets	(1,505)	(726)	(2,053)
Purchases of property and equipment, net	(1,022)	(1,098)	(5,425)
Net cash used in investing activities	(1,451)	(42)	(69,200)
Financing activities:
Proceeds from exercise of stock options	6,257	620	616
Excess income tax benefit on stock option exercises and restricted stock	619	148	117
Payment of cash dividends	(6,016)	(5,331)	(5,206)
Payment of deferred consideration	(1,470)	(1,500)
Proceeds from mortgage			3,947
Borrowings of bank loans	10,000		65,050
Repayment of bank loans	(23,696)	(9,232)	(14,550)
Net cash (used in) provided by financing activities	(14,306)	(15,295)	49,974
Effect of foreign exchange rate changes on cash	395	(1,734)	3,002
Net increase (decrease) in cash and cash equivalents	8,369	(3,802)	(2,186)
Cash and cash equivalents at beginning of period	24,862	28,664	30,850
Cash and cash equivalents at end of period	$ 33,231	$ 24,862	$ 28,664