XML 47 R31.htm IDEA: XBRL DOCUMENT v3.6.0.2
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]  
Schedule of costs and estimated earnings on uncompleted contracts and related amounts billed
Costs and estimated earnings on uncompleted contracts and related amounts billed as of December 31, 2016 and 2015 were as follows (in thousands):  
 
2016
 
2015
Costs incurred on uncompleted contracts
$
7,223,436

 
$
7,582,108

Estimated earnings, thereon
827,799

 
862,987

 
8,051,235

 
8,445,095

Less: billings to date
8,409,780

 
8,756,596

 
$
(358,545
)
 
$
(311,501
)
Such amounts were included in the accompanying Consolidated Balance Sheets at December 31, 2016 and 2015 under the following captions (in thousands):  
 
2016
 
2015
Costs and estimated earnings in excess of billings on uncompleted contracts
$
130,697

 
$
117,734

Billings in excess of costs and estimated earnings on uncompleted contracts
(489,242
)
 
(429,235
)
 
$
(358,545
)
 
$
(311,501
)