Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 135,925	$ 174,965
Restricted cash	3,156	2,075
Receivables, net of allowances of $18,331 and $19,307, respectively	225,379	227,481
Retainage	36,508	38,318
Costs and estimated earnings in excess of billings	107,525	94,045
Inventories	60,890	59,192
Prepaid expenses and other current assets	35,471	42,046
Total current assets	604,854	638,122
Property, plant & equipment, less accumulated depreciation	161,539	168,213
Other assets
Goodwill	293,197	293,023
Identified intangible assets, less accumulated amortization	182,600	182,273
Deferred income tax assets	3,025	3,334
Other assets	9,268	10,708
Total other assets	488,090	489,338
Total Assets	1,254,483	1,295,673
Current liabilities
Accounts payable	64,598	83,285
Accrued expenses	96,895	111,617
Billings in excess of costs and estimated earnings	59,319	43,022
Current maturities of long-term debt and line of credit	26,399	26,399
Total current liabilities	247,211	264,323
Long-term debt, less current maturities	345,189	351,076
Deferred income tax liabilities	23,554	22,913
Other non-current liabilities	12,583	12,276
Total liabilities	628,537	650,588
(See Commitments and Contingencies: Note 9)
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 37,018,955 and 37,360,515, respectively	370	374
Additional paid-in capital	212,448	217,289
Retained earnings	435,000	433,641
Accumulated other comprehensive loss	(39,328)	(24,669)
Total stockholders’ equity	608,490	626,635
Non-controlling interests	17,456	18,450
Total equity	625,946	645,085
Total Liabilities and Equity	$ 1,254,483	$ 1,295,673