Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows From Operating Activities:
Net income (loss)	$ (9,890)	$ 9,506
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	3,166	3,865
Amortization of intangible assets	131
Provision for doubtful accounts	(212)	51
Amortization of debt issuance costs	134	158
Loss on impairment	25
Deferred income taxes	3,108	649
Gain on disposal of property and equipment		(177)
Loss on sale of business	12,083
Stock based compensation expense	354	526
Unrealized gain on foreign currency forward contracts	(36)	(94)
Changes in operating assets and liabilities:
Trade and other receivables, net	9,725	(23,968)
Costs and estimated earnings in excess of billings on uncompleted contracts, net	20,987	(390)
Inventories	14,477	4,085
Refundable income taxes	(10,401)
Prepaid expenses and other assets	(2)	387
Accounts payable	577	10,728
Accrued and other liabilities	(4,087)	(1,482)
Net cash provided by operating activities	40,139	3,844
Cash Flows From Investing Activities:
Additions to property and equipment	(4,964)	(9,781)
Proceeds from sale of business	31,609
Proceeds from the sale of property and equipment		1,669
Restricted cash
Other investing activities	13
Net cash provided by (used in) investing activities	26,658	(8,112)
Cash Flows From Financing Activities:
Tax withholdings related to net share settlements of restricted stock awards and performance shares	(1,283)	(802)
Payments on long-term debt	(2,786)	(2,786)
Borrowings under note payable to financial institution	23,831	37,471
Payments on note payable to financial institution	(86,559)	(28,768)
Payments on capital lease obligations	(539)	(846)
Net cash provided by (used in) financing activities	(67,336)	4,269
Change in cash and cash equivalents	(539)	1
Cash and cash equivalents, beginning of period	588	46
Cash and cash equivalents, end of period	49	47
Non-Cash Investing Activity:
Escrow account related to capital lease financing		898
Accrued property and equipment purchases	$ 1,127	$ 4,605