Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 167,584	$ 174,965
Restricted cash	4,130	2,075
Receivables, net of allowances of $16,748 and $19,307, respectively	223,249	227,481
Retainage	38,210	38,318
Costs and estimated earnings in excess of billings	108,426	94,045
Inventories	53,579	59,192
Prepaid expenses and other current assets	58,799	42,046
Total current assets	653,977	638,122
Property, plant & equipment, less accumulated depreciation	160,203	168,213
Other assets
Goodwill	293,149	293,023
Identified intangible assets, less accumulated amortization	177,307	182,273
Deferred income tax assets	2,899	3,334
Other assets	9,250	10,708
Total other assets	482,605	489,338
Total Assets	1,296,785	1,295,673
Current liabilities
Accounts payable	82,696	83,285
Accrued expenses	111,706	111,617
Billings in excess of costs and estimated earnings	73,734	43,022
Current maturities of long-term debt and line of credit	28,586	26,399
Total current liabilities	296,722	264,323
Long-term debt, less current maturities	327,931	351,076
Deferred income tax liabilities	26,113	22,913
Other non-current liabilities	11,282	12,276
Total liabilities	$ 662,048	$ 650,588
Commitments and contingencies
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 36,247,231 and 37,360,515, respectively	362	374
Additional paid-in capital	203,298	217,289
Retained earnings	458,434	433,641
Accumulated other comprehensive loss	(44,544)	(24,669)
Total stockholders’ equity	617,550	626,635
Non-controlling interests	17,187	18,450
Total equity	634,737	645,085
Total Liabilities and Equity	$ 1,296,785	$ 1,295,673