Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,703	$ 8,760
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	4,166	4,193
Amortization	972	972
Deferred income taxes	511	(34)
Equity-based compensation	1,946	2,164
Changes in operating assets and liabilities:
Receivables	3,444	2,408
Inventories	(3,258)	(3,836)
Prepaid expenses and other assets	(961)	(3,163)
Accounts payable	(510)	(2,019)
Accrued expenses	(3,288)	(724)
Customer advance payments	315	(620)
Other liabilities	771	405
Pension and postretirement benefit obligation	41	243
Net cash provided by operating activities	7,852	8,749
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(4,371)	(3,713)
Maturities of held to maturity securities and sale of available-for-sale security	3,269	3,011
Purchases of held to maturity securities	(3,172)	(1,057)
Net cash used in investing activities	(4,274)	(1,759)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment on long-term debt obligation	(30,000)	(10,000)
Stock options exercised	4,229	2,895
Excess tax benefit	684	179
Purchase of treasury stock	(6,573)	(885)
Net cash used in financing activities	(31,660)	(7,811)
Effect of exchange rates on cash	207	331
Net decrease in cash and cash equivalents	(27,875)	(490)
Cash and cash equivalents, beginning of period	58,388	50,521
Cash and cash equivalents, end of period	30,513	50,031
Supplemental disclosures of cash flow information:
Interest	214	261
Income tax payments, net	$ 1,476	$ 5,280