Condensed Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 6,366	$ 3,703
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	3,830	4,166
Amortization	680	972
Deferred income taxes	693	511
Equity-based compensation	2,047	1,946
Changes in operating assets and liabilities:
Receivables	(2,762)	3,444
Inventories	(1,745)	(3,258)
Prepaid expenses and other assets	(1,010)	(961)
Accounts payable	(2,041)	(510)
Accrued expenses	224	(3,288)
Customer advance payments	(139)	315
Other liabilities	732	771
Pension and postretirement benefit obligation	48	41
Net cash provided by operating activities	6,923	7,852
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(2,184)	(4,371)
Proceeds from sale of Salem facility	5,230
Maturities of held to maturity securities	9,065	3,269
Purchases of held to maturity securities		(3,172)
Net cash provided by (used in) investing activities	12,111	(4,274)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from long-term debt obligation	8,000
Payment on long-term debt obligation		(30,000)
Stock options exercised	1,476	4,229
Excess tax benefit	554	684
Purchase of treasury stock	(20,111)	(6,573)
Net cash used in financing activities	(10,081)	(31,660)
Effect of exchange rates on cash	14	207
Net increase (decrease) in cash and cash equivalents	8,967	(27,875)
Cash and cash equivalents, beginning of period	21,012	58,388
Cash and cash equivalents, end of period	29,979	30,513
Cash paid during the period for:
Interest	66	214
Income tax payments, net	$ 2,543	$ 1,476