Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,983	$ 2,854
Depreciation	1,780	1,909
Amortization	250	363
Deferred income taxes	598	105
Equity-based compensation	902	1,050
Changes in operating assets and liabilities:
Receivables	338	(3,906)
Inventories	(1,332)	(411)
Prepaid expenses and other assets	(2)	400
Accounts payable	(678)	(989)
Accrued expenses	(1,557)	659
Customer advance payments	12	(101)
Other liabilities	87	63
Pension and postretirement benefit obligation	129	67
Net cash provided by operating activities	3,510	2,063
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(2,485)	(1,309)
Proceeds from sale of property, plant, and equipment		200
Purchase of Cellular Machines, LLC	(350)
Maturities of held to maturity securities	1,940	5,415
Net cash (used in) provided by investing activities	(895)	4,306
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from long-term debt obligation		8,000
Stock options exercised	354	1,352
Excess tax benefit from equity-based compensation	406	453
Purchase of treasury stock	(1,531)	(8,897)
Net cash (used in) provided by financing activities	(771)	908
Effect of exchange rates on cash	85	(31)
Net increase in cash and cash equivalents	1,929	7,246
Cash and cash equivalents, beginning of period	44,308	21,012
Cash and cash equivalents, end of period	46,237	28,258
Cash paid during the period for:
Interest	26	13
Income tax payments	$ 400