Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 3,338	$ 7,149
Adjustments to reconcile to net cash provided by operating activities:
Depreciation and amortization	9,278	9,783
(Gain) loss on sale of fixed assets	(264)	13
Equity-based compensation expense	1,835	1,541
Deferred income taxes	365	836
Equity in earnings of affiliated companies	(902)	(652)
(Gain) loss on foreign currency transactions	129	(843)
Other	649	1,172
Changes in operating assets and liabilities (net of acquisitions):
Restricted cash	(73)	(677)
Receivables net, retainage and costs and estimated earnings in excess of billings	16,416	11,371
Inventories	(638)	126
Prepaid expenses and other assets	(1,544)	2,353
Accounts payable and accrued expenses	(26,379)	(13,308)
Other operating	1,381	319
Net cash provided by operating activities	3,591	19,183
Cash flows from investing activities:
Capital expenditures	(4,988)	(11,447)
Proceeds from sale of fixed assets	709	2,714
Patent expenditures	(211)	(219)
Receipt of cash from Hockway sellers due to final net working capital requirements		1,048
Net cash used in investing activities	(4,490)	(11,484)
Cash flows from financing activities:
Proceeds from issuance of common stock, including tax effects	638	671
Repurchase of common stock	(4,582)	(6,037)
Investments from noncontrolling interests		3,920
Proceeds on notes payable	1,359
Principal payments on notes payable		(633)
Proceeds from line of credit		26,000
Proceeds from long-term debt		983
Principal payments on long-term debt	(6,250)	(6,250)
Net cash provided by (used in) financing activities	(8,835)	18,654
Effect of exchange rate changes on cash	(4,985)	(2,032)
Net increase (decrease) in cash and cash equivalents for the period	(14,719)	24,321
Cash and cash equivalents, beginning of period	133,676	106,129
Cash and cash equivalents, end of period	118,957	130,450
Fyfe LA [Member]
Cash flows from investing activities:
Purchase of business, net of cash acquired		(3,048)
Fyfe NA [Member]
Cash flows from investing activities:
Purchase of business, net of cash acquired		$ (532)