Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Assets
Cash and cash equivalents	$ 133,676		$ 106,129
Restricted cash	1,574		82
Receivables, net	237,234		228,313
Retainage	30,172		33,933
Costs and estimated earnings in excess of billings	70,515		67,683
Inventories	59,509		54,540
Prepaid expenses and other current assets	27,981		27,305
Total current assets	560,661		517,985
Property, plant & equipment, less accumulated depreciation	185,966		168,945
Goodwill (in Dollars)	273,661	[1]	249,888
Identified intangible assets, less accumulated amortization	162,278		157,021
Investments	19,181		19,314
Deferred income tax assets	7,989		5,418
Other assets	8,158		6,393
Total other assets	471,267		438,034
Total Assets	1,217,894		1,124,964
Liabilities and Equity
Accounts payable	77,949		72,326
Accrued expenses	81,240		69,417
Billings in excess of costs and estimated earnings	31,552		24,435
Current maturities of long-term debt and line of credit	33,775		26,541
Total current liabilities	224,516		192,719
Long-term debt, less current maturities	221,848		222,868
Deferred income tax liabilities	39,790		38,167
Other non-current liabilities	15,620		22,221
Total liabilities	501,774		475,975
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 38,952,561 and 39,352,375, respectively	390		394
Additional paid‑in capital	257,209		260,680
Retained earnings	426,457		373,796
Accumulated other comprehensive income	15,260		5,862
Total stockholders’ equity	699,316		640,732
Non-controlling interests	16,804		8,257
Total equity	716,120		648,989
Total Liabilities and Equity	$ 1,217,894		$ 1,124,964

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