Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash Flows from Operating Activities
Net income (loss)	$ 23,128	$ (16,553)
Income (loss) from discontinued operations	7,058	(17,535)
Income from continuing operations	16,070	982
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	19,515	18,049
Stock compensation expense	3,895	3,599
Non-cash charges to interest expense	1,689	3,762
Other non-cash adjustments	1,437	1,167
Increase (decrease) in cash resulting from changes in the following (excluding the effects of acquisitions):
Accounts receivable	(35,041)	(23,419)
Inventories	(11,449)	(1,030)
Other current assets and other assets	9,606	7,348
Accounts payable	13,485	18,575
Accrued expenses and other non-current liabilities	11,331	3,670
Net cash provided by operating activities of continuing operations	30,538	32,703
Net cash (used in) provided by operating activities of discontinued operations	(3,491)	21,725
Net cash provided by operating activities	27,047	54,428
Cash Flows from Investing Activities
Cash paid for acquisitions, net of cash acquired	(107,605)
Purchases of property, plant, and equipment	(7,838)	(6,264)
Purchase of equity method investment	(250)	(1,000)
Net proceeds from sale of property and equipment	978	179
Net proceeds from sale of businesses	59,029	29,164
Net cash (used in) provided by investing activities of continuing operations	(55,686)	22,079
Net cash provided by (used in) investing activities of discontinued operations	2,089	(427)
Net cash (used in) provided by investing activities	(53,597)	21,652
Cash Flows from Financing Activities
Long-term debt payments	(74,260)	(58,967)
Proceeds from long-term debt	73,849	8,559
Purchase of treasury stock at market prices	(826)	(1,114)
Payment of deferred financing fees	(34)	(164)
Excess tax benefit from stock compensation		55
Net proceeds from issuance of common stock	10	270
Net cash used in financing activities	(1,261)	(51,361)
Net (decrease) increase in cash and cash equivalents	(27,811)	24,719
Cash and cash equivalents at beginning of year	60,866	23,596
Cash and cash equivalents at end of period	$ 33,055	$ 48,315