Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net income	$ 6,655	$ 13,909
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,000	14,293
Deferred income taxes	3,828	1,808
Income from discontinued operations	(639)
Restructuring charges	2,903	1,475
Gains on disposition of property and other assets	(129)	(8)
Share-based compensation expense	2,854	2,293
Excess tax benefit from share-based compensation arrangements	(269)	(54)
Other non-cash items, net	2,566	2,411
Change in operating assets and liabilities (excluding the impact of acquisitions):
Receivables	(23,267)	(43,590)
Inventories	(13,139)	8,538
Accounts payable	17,098	14,334
Restructuring liabilities	(1,938)	(2,377)
Accrued compensation	(4,091)	7,267
Customer deposits	15,006	(7,390)
Income taxes payable	107	3,141
Other assets and liabilities, net	(5,560)	(10,083)
Net cash provided by operating activities	16,985	5,967
Cash flows from investing activities:
Capital expenditures	(14,088)	(12,795)
Acquisition of businesses, net of cash acquired	(23,546)	(25,800)
Proceeds from dispositions of property and other assets	168	264
Proceeds from sale of land	1,041
Net cash used in investing activities	(36,425)	(38,331)
Cash flows from financing activities:
Payments on debt and capital lease obligations	(1,444)	(5,631)
Dividends paid on common stock	(1,623)	(1,630)
Debt issuance costs		(1,001)
Common stock purchased for treasury	(1,000)	(679)
Excess tax benefit from share-based compensation arrangements	269	54
Proceeds from exercise of stock options	89	163
Net cash used in financing activities	(3,709)	(8,724)
Effect of exchange rate changes on cash and cash equivalents	797	2,595
Net decrease in cash and cash equivalents	(22,352)	(38,493)
Cash and cash equivalents, beginning of year	100,376	145,841
Cash and cash equivalents, end of period	78,024	107,348
Supplemental disclosure of cash flow information
Cash paid for income taxes	5,103	5,541
Cash paid for interest	511	490
Equipment acquired under capital leases	$ 363	$ 897