CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net earnings	$ 1,884	$ 2,313
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	4,871	4,270
Stock-based compensation	934	897
(Gain) loss on disposal of property, plant and equipment	(13)	110
Impairment of investment	0	478
Other, net	471	449
Deferred income taxes	(958)	(1,030)
Changes in operating assets and liabilities (see page 6)	(11,050)	(7,258)
Net Cash (Used in) Provided by Operating Activities	(3,861)	229
Cash flows from investing activities:
Purchase of property, plant and equipment	(3,088)	(2,296)
Payment for acquisition, net of cash acquired (see page 6)	(20,932)	(2,695)
Purchase of marketable securities	0	(12)
Proceeds from disposal of property, plant and equipment	13	5
Net Cash Used in Investing Activities	(24,007)	(4,998)
Cash flows from financing activities:
Dividends paid to common shareholders	(1,512)	(1,565)
Increase in notes payable	149	0
Purchase and retirement of Class B common stock	(3,356)	0
Net Cash Used In Financing Activities	(4,719)	(1,565)
Effect of exchange rate changes on cash	(76)	(78)
Net Decrease in Cash and Cash Equivalents	(32,663)	(6,412)
Cash and Cash Equivalents - beginning of period	71,262	88,241
Cash and Cash Equivalents - end of period	38,599	81,829
Changes in operating assets and liabilities consist of:
Increase in accounts receivable	(7,894)	(4,446)
Increase in inventories	(4,886)	(4,152)
Increase in prepaid expenses and other current assets	(1,071)	(1,081)
Increase in other assets	(27)	(171)
Increase in accounts payable	2,487	1,257
(Decrease) increase in accrued expenses	(428)	135
Increase in other liabilities	29	0
Increase in accrued restructuring costs	1,069	0
(Decrease) increase in income taxes payable	(329)	1,200
Changes in operating assets and liabilities (see page 6)	(11,050)	(7,258)
Cash paid during the period for:
Income taxes, net of refunds received	651	864
Interest	6	0
Details of acquisitions:
Fair value of identifiable net assets acquired	21,913	157
Goodwill	8,193	2,577
Fair value of net assets acquired	30,106	2,734
Fair value of consideration transferred	30,106	2,734
Less: Cash acquired in acquisition	(8,338)	0
Deferred consideration	(786)	(39)
Cash paid for acquisitions	$ 20,932	$ 2,695