Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 105,331	$ 129,500
Restricted cash	1,625	4,892
Receivables, net of allowances of $4,661 and $6,098, respectively	205,125	186,016
Retainage	32,926	33,643
Costs and estimated earnings in excess of billings	85,746	62,401
Inventories	71,332	63,953
Prepaid expenses and other current assets	25,426	51,832
Total current assets	527,511	532,237
Property, plant & equipment, less accumulated depreciation	158,966	156,747
Other assets
Goodwill	304,357	298,619
Identified intangible assets, less accumulated amortization	188,864	194,911
Deferred income tax assets	1,627	1,848
Other assets	10,612	9,220
Total other assets	505,460	504,598
Total Assets	1,191,937	1,193,582
Current liabilities
Accounts payable	63,954	63,058
Accrued expenses	81,223	85,010
Billings in excess of costs and estimated earnings	32,411	62,698
Current maturities of long-term debt	27,210	19,835
Total current liabilities	204,798	230,601
Long-term debt, less current maturities	352,071	350,785
Deferred income tax liabilities	23,951	23,339
Other non-current liabilities	12,737	12,674
Total liabilities	593,557	617,399
(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 33,120,494 and 33,956,304, respectively	331	340
Additional paid-in capital	152,310	166,598
Retained earnings	472,033	455,062
Accumulated other comprehensive loss	(36,922)	(53,500)
Total stockholders’ equity	587,752	568,500
Non-controlling interests	10,628	7,683
Total equity	598,380	576,183
Total Liabilities and Equity	$ 1,191,937	$ 1,193,582