Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
OPERATING ACTIVITIES:
Net income	$ 7,250,000	$ 10,950,000
Adjustment for loss (income) from discontinued operations	1,005,000	(402,000)
Income from continuing operations	8,255,000	10,548,000
Adjustments to reconcile income from continuing operations to net cash provided by (used in) operating activities:
Depreciation	1,500,000	1,138,000
Amortization	565,000	470,000
Amortization of deferred financing costs	119,000	65,000
Stock-based compensation	741,000	525,000
Excess tax benefit on stock compensation	(574,000)
Loss on foreign exchange contracts	88,000	167,000
Losses on (recoveries of) accounts receivable	77,000	(71,000)
Deferred compensation and supplemental retirement benefits	18,000	239,000
Deferred compensation and supplemental retirement benefit payments	(308,000)	(335,000)
Deferred income taxes	1,176,000	577,000
(Gain) on sale of available-for-sale securities		(1,691,000)
Loss on sale of equipment		79,000
Changes in operating assets and liabilities, excluding the effect of business combinations and dispositions:
Accounts receivable	3,018,000	(4,194,000)
Inventories	1,140,000	(1,442,000)
Other assets	(1,445,000)	1,245,000
Accounts payable	(2,464,000)	1,308,000
Other accrued liabilities	(139,000)	2,000
Accrued income taxes	(2,317,000)	2,888,000
Net cash provided by operating activities from continuing operations	9,450,000	11,518,000
Net cash (used in) operating activities from discontinued operations	(7,619,000)	(3,862,000)
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,831,000	7,656,000
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(2,243,000)	(1,647,000)
Proceeds from sale of available-for-sale securities		4,054,000
Acquisition of businesses	(29,207,000)	(3,973,000)
Purchases of other assets	(240,000)	(294,000)
Net cash (used in) investing activities from continuing operations	(31,690,000)	(1,860,000)
Net cash (used in) investing activities from discontinued operations	0	(182,000)
NET CASH (USED IN) INVESTING ACTIVITIES	(31,690,000)	(2,042,000)
FINANCING ACTIVITIES:
Proceeds from Senior Revolving Credit Facility	21,900,000
Payments of Senior Revolving Credit Facility	(8,400,000)	(1,000,000)
Payments of deferred financing costs	(182,000)	(45,000)
Repurchase and retirement of common stock	(6,796,000)
Treasury stock purchases	(3,511,000)	(106,000)
Proceeds from stock options exercised	140,000
Excess tax benefit on stock compensation	574,000
Net cash provided by (used in) financing activities from continuing operations	3,725,000	(1,151,000)
Net cash (used in) financing activities from discontinued operations		(36,000)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	3,725,000	(1,187,000)
Effect of exchange rate changes on cash	(157,000)	(17,000)
NET CHANGE IN CASH AND CASH EQUIVALENTS	(26,291,000)	4,410,000
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	31,950,000	7,163,000
CASH AND CASH EQUIVALENTS AT END OF PERIOD	5,659,000	11,573,000
Cash paid during the period for:
Interest	62,000	54,000
Income taxes	$ 5,431,000	$ 3,418,000