CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net earnings	$ 9,689	$ 4,804
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Depreciation and amortization	7,636	6,637
Stock-based compensation	1,376	1,294
(Gain) loss on disposal of property, plant and equipment	0	111
Realized gain on sale of investment	(98)	0
Impairment of investment	0	775
Other, net	356	(275)
Deferred income taxes	(223)	(1,546)
Changes in operating assets and liabilities	(12,675)	(4,002)
Net Cash (Used in) Provided by Operating Activities	6,061	7,798
Cash flows from investing activities:
Purchase of property, plant and equipment	(5,127)	(3,374)
Purchase of intangible assets	(1,336)	0
Payment for acquisitions, net of cash acquired	(30,931)	(19,187)
Proceeds from sale of SERP investments	2,820	0
Purchase of company-owned life insurance	(2,820)	0
Purchase of marketable securities	0	(19)
Proceeds from disposal of property, plant and equipment	0	36
Net Cash Used in Investing Activities	(37,394)	(22,544)
Cash flows from financing activities:
Dividends paid to common shareholders	(2,264)	(2,350)
Borrowings under revolving credit line	12,314	(48)
Purchase and retirement of Class B common stock	(3,356)	(1,705)
Net Cash Used In Financing Activities	6,694	(4,103)
Effect of exchange rate changes on cash	297	133
Net Decrease in Cash and Cash Equivalents	(24,342)	(18,716)
Cash and Cash Equivalents - beginning of period	71,262	88,241
Cash and Cash Equivalents - end of period	46,920	69,525
Changes in operating assets and liabilities consist of:
Increase in accounts receivable	(13,015)	(3,562)
Increase in inventories	(7,180)	(1,718)
Increase in prepaid expenses and other current assets	(1,483)	(668)
Increase in other assets	(95)	(189)
Increase in accounts payable	6,920	288
(Decrease) increase in accrued expenses	2,640	1,174
Increase in other liabilities	274	0
Increase in accrued restructuring costs	(122)	1,159
(Decrease) increase in income taxes payable	(614)	(486)
Changes in operating assets and liabilities	(12,675)	(4,002)
Cash paid during the period for:
Income taxes, net of refunds received	1,152	1,234
Interest	75	2
Details of acquisitions:
Fair value of identifiable net assets acquired	25,689	13,282
Goodwill	13,630	8,903
Fair value of net assets acquired	39,319	22,185
Fair value of net assets acquired	39,319	22,185
Less: Cash acquired in acquisition	(8,388)	(2,991)
Deferred consideration	0	(7)
Cash paid for acquisitions, net of cash acquired	$ 30,931	$ 19,187