Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012		Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 15,056	$ 8,614		$ 16,401
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	7,508	8,265	[1]	8,337	[1]
Gain on disposal of fixed assets	(557)
Writedown of current asset	600
Amortization	1,259	1,894		1,935
Deferred income taxes	393	1,385		119
Equity-based compensation	3,784	3,853		4,097
Changes in operating assets and liabilities:
Receivables	(2,538)	1,410		(1,807)
Inventories	1,515	(2,710)		(2,372)
Prepaid expenses and other assets	779	793		(1,542)
Accounts payable	(1,285)	(931)		264
Accrued expenses	880	(2,414)		679
Customer advance payments	296	1,086		(666)
Other liabilities	(1,285)	(413)		(409)
Pension and postretirement benefit obligation	(154)	(223)		(105)
Net cash provided by operating activities	26,251	20,609		24,931
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(5,538)	(7,810)		(7,122)
Proceeds from sale of property, plant, and equipment	5,787
Maturities of held to maturity and sale of available-for-sale securities	13,285	9,130		3,511
Purchases of held to maturity securities		(9,954)		(3,478)
Net cash provided by (used in) investing activities	13,534	(8,634)		(7,089)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from long-term debt obligation	8,000
Payment on long-term debt obligation	(8,000)	(30,000)		(10,000)
Stock options exercised	3,084	4,512		3,728
Excess tax benefit from exercise of stock options	459	494		164
Purchase of treasury stock	(20,316)	(24,651)		(4,422)
Net cash used in financing activities	(16,773)	(49,645)		(10,530)
Effect of exchange rates on cash	284	294		555
Net increase (decrease) in cash and cash equivalents	23,296	(37,376)		7,867
Cash and cash equivalents, beginning of year	21,012	58,388		50,521
Cash and cash equivalents, end of year	$ 44,308	$ 21,012		$ 58,388

[1] Depreciation expense related to acquisition-specific property, plant, and equipment are included in the segment classification of the acquired business. An allocation for common equipment is performed on an annual basis.