CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 31,437	$ 19,381	$ (42,412)
Adjustments to reconcile net income (loss) to net cash provided by operating activities - net of acquisitions
Goodwill and other intangible impairment	0	0	52,951
Precision inventory impairment	0	0	13,800
Depreciation	3,510	3,744	4,260
Amortization	6,572	5,824	7,216
Deferred income taxes	2,081	2,914	(16,678)
Stock-based compensation expense	1,256	973	1,555
Tax benefit related to exercise of stock options and vesting of restricted stock	(198)	(215)	(266)
Gain on sale of property and equipment	0	(188)	0
Changes in operating assets and liabilities, net of assets and liabilities acquired in business combinations:
Trade accounts receivable	(21,548)	(14,528)	24,125
Inventories	(4,258)	2,028	32,716
Prepaid expenses and other assets	(2,617)	1,165	(1,665)
Accounts payable and accrued expenses	9,593	2,810	(24,027)
Net cash provided by operating activities	25,828	23,908	51,575
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(4,096)	(1,184)	(1,593)
Purchase of businesses, net of cash acquired	(18,434)	(18,394)	(491)
Proceeds from the sale of property and equipment	0	1,428	16
Long-term investment	(1,572)	0	0
Net cash used in investing activities	(24,102)	(18,150)	(2,068)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt	224,307	141,216	133,716
Principal payments on revolving line of credit, long-term debt and notes payable	(223,959)	(148,798)	(186,763)
Dividends paid in cash	(90)	(90)	(90)
Proceeds from exercise of stock options	0	125	10
Purchase of treasury stock	(1,445)	0	0
Tax benefit related to exercise of stock options and vesting of restricted stock	198	215	266
Net cash used in financing activities	(989)	(7,332)	(52,861)
INCREASE (DECREASE) IN CASH	737	(1,574)	(3,354)
CASH AT BEGINNING OF YEAR	770	2,344	5,698
CASH AT END OF YEAR	1,507	770	2,344
Cash paid for --
Interest	3,490	5,240	5,338
Income taxes	14,190	8,342	15,053
Income tax refunds	$ 293	$ 250	$ 73