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Condensed Consolidated Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Cash Flows From Operating Activities:    
Net income (loss) $ 7,909 $ (2,650)
Adjustments to reconcile net income (loss) to net cash used in operating activities:    
Depreciation and amortization 7,047 6,655
Amortization of intangible assets 50 126
Allowance on notes receivable 3,171  
Provision for doubtful accounts (909) (60)
Equity in earnings of unconsolidated subsidiary, net of dividends received 394 (506)
Amortization of debt issuance costs 1,021 519
Deferred income taxes 654 (314)
Loss on disposal of property and equipment 292 348
Gain on sale of business (2,887)  
Stock based compensation expense 449 546
Tax benefit from stock option plans   (123)
Unrealized loss (gain) on foreign currency forward contracts 290 (924)
Changes in operating assets and liabilities:    
Trade and other receivables, net (29,164) (16,169)
Costs and estimated earnings in excess of billings on uncompleted contracts, net (10,202) (7,082)
Inventories 3,072 (7,067)
Refundable income taxes 15,099 1,372
Prepaid expenses and other assets 904 728
Accounts payable (9,045) (2,937)
Accrued and other liabilities 7,061 482
Net cash used in operating activities (4,794) (27,056)
Cash Flows From Investing Activities:    
Additions to property and equipment (8,580) (11,320)
Proceeds from sale of business 13,727  
Proceeds from the sale of property and equipment 95 18
Issuance of note receivable   (300)
Other investing activities 567 320
Net cash provided by (used in) investing activities 5,809 (11,282)
Cash Flows From Financing Activities:    
Proceeds from issuance of common stock 90  
Tax withholdings related to net share settlements of restricted stock awards and performance shares (51) (83)
Payments on long-term debt (4,286) (4,287)
Borrowings under note payable to financial institution 88,050 105,536
Payments on note payable to financial institution (83,231) (62,109)
Borrowings from capital lease obligations   2,146
Payments on capital lease obligations (1,595) (1,177)
Payments of debt amendment costs   (1,675)
Net cash provided by (used in) financing activities (1,023) 38,351
Change in cash and cash equivalents (8) 13
Cash and cash equivalents, beginning of period 51 31
Cash and cash equivalents, end of period 43 44
Non-cash investing activity:    
Escrow account related to capital lease financing 2,726 3,445
Accrued property and equipment purchases $ 1,028 $ 1,660