Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011		Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 106,129		$ 114,829
Restricted cash	82		745
Receivables, net	228,313		178,994
Retainage	33,933		28,726
Costs and estimated earnings in excess of billings	67,683		69,544
Inventories	54,540		42,524
Prepaid expenses and other current assets	27,305		30,031
Current assets of discontinued operations			1,193
Total current assets	517,985		466,586
Property, plant & equipment, less accumulated depreciation	168,945		164,486
Other assets
Goodwill	249,888	[1]	190,120	[1],[2]
Identified intangible assets, less accumulated amortization	149,655		73,147
Investments	26,680		27,989
Deferred income tax assets	5,418		4,115
Other assets	6,393		4,260
Total other assets	438,034		299,631
Non-current assets of discontinued operations			2,607
Total Assets	1,124,964		933,310
Current liabilities
Accounts payable	72,326		74,820
Accrued expenses	69,417		73,035
Billings in excess of costs and estimated earnings	24,435		12,612
Current maturities of long-term debt and line of credit	26,541		13,028
Total current liabilities	192,719		173,495
Long-term debt, less current maturities	222,868		91,715
Deferred income tax liabilities	38,167		32,330
Other non-current liabilities	22,221		9,063
Total liabilities	475,975		306,603
Equity
Preferred stock, undesignated, $.10 par – shares authorized 2,000,000; none outstanding	0		0
Common stock, $.01 par – shares authorized 125,000,000; shares issued and outstanding 39,352,375 and 39,246,015, respectively	394		392
Additional paid‑in capital	260,680		251,578
Retained earnings	373,796		347,249
Accumulated other comprehensive income	5,862		18,113
Total stockholders' equity	640,732		617,332
Non-controlling interests	8,257		9,375
Total equity	648,989		626,707
Total Liabilities and Equity	$ 1,124,964		$ 933,310

[1] The Company does not have any accumulated impairment charges.

[2] During 2011, the Company revised previously reported goodwill balances related to foreign currency translation. As a result of this revision, goodwill as of January 1, 2010 was revised from the previously reported amount of $182.1 million to $188.6 million. See Note 2 for additional information.