CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 51,450	$ 41,353	$ 62,401
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	17,595	16,466	14,145
Amortization of deferred financing cost	893	1,161	1,477
Increase (decrease) to allowance for doubtful accounts	641	(728)	(484)
Increase to inventory reserves	4,636	4,921	4,504
Amortization of deferred gain on sale of buildings	(1,048)	(1,048)	(1,048)
Equity (income) loss from and gain on the sale of joint ventures	285	0	(2,826)
Employee Stock Ownership Plan allocation	4,376	3,865	2,514
Stock-based compensation	3,668	2,358	2,025
Excess tax benefits related to the exercise of employee stock grants	(1,264)	(343)	(501)
(Increase) decrease in deferred income taxes	(527)	6,098	9,311
Decrease in unrecognized tax benefit	0	0	(454)
Decrease in tax valuation allowance	(480)	(669)	(21,625)
Loss on discontinued operations, net of tax	1,593	1,616	1,926
Change in assets and liabilities:
(Increase) decrease in accounts receivable	(27,278)	15,393	9,595
(Increase) decrease in inventories	(6,094)	(1,556)	2,500
(Increase) decrease in prepaid expenses and other current assets	(4,048)	(659)	748
Increase (decrease) in accounts payable	12,497	3,287	(3,105)
Increase in sundry payables and accrued expenses	8,673	6,837	4,026
Net changes in other assets and liabilities	(7,952)	(4,792)	(9,822)
Net cash provided by operating activities	57,616	93,560	75,307
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions of and investments in businesses	(12,760)	(38,594)	(70,532)
Divestiture of European distribution business	0	0	1,317
Divestiture of joint ventures	0	0	4,317
Capital expenditures	(11,410)	(11,811)	(11,037)
Other investing activities	(592)	493	45
Net cash used in investing activities	(24,762)	(49,912)	(75,890)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings under (repayments of) line-of-credit agreements	(19,046)	(32,547)	20,113
Principal payments of long-term debt and capital lease obligations	(120)	(105)	(12,410)
Purchase of treasury stock	(6,864)	(4,999)	(4,136)
Increase (decrease) in overdraft balances	(3,312)	2,387	645
Payments of debt issuance costs	(1,261)	0	(329)
Proceeds from exercise of employee stock options	151	349	2,563
Excess tax benefits related to the exercise of employee stock grants	1,264	343	501
Dividends paid	(10,107)	(8,215)	(6,381)
Net cash provided by (used in) financing activities	(39,295)	(42,787)	566
Effect of exchange rate changes on cash	(1,074)	1,342	(1,247)
Net increase (decrease) in cash and cash equivalents	(7,515)	2,203	(1,264)
CASH AND CASH EQUIVALENTS at beginning of year	13,074	10,871	12,135
CASH AND CASH EQUIVALENTS at end of year	5,559	13,074	10,871
Cash paid during the year for:
Interest	1,050	1,636	2,775
Income taxes	$ 33,489	$ 16,087	$ 12,354