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Summary Of Major Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Schedule of Temporary Differences Using the Percentage-of-Completion Method
Revenue in Excess of Amounts Billed on uncompleted fixed-price contracts accounted for using the percentage-of-completion method is summarized as follows:
 
 
December 31,
(in thousands)
 
2015
 
2014
Revenue recognized
 
$
694,690

 
$
368,888

Less: Billings to customers
 
(649,550
)
 
(312,968
)
Revenue in excess of amounts billed
 
$
45,140

 
$
55,920


Billings in Excess of Revenue Recognized on uncompleted fixed-price contracts accounted for using the percentage-of-completion method are summarized as follows: 
 
 
December 31,
(in thousands)
 
2015
 
2014
Amounts billed to customers
 
$
302,904

 
$
196,501

Less: Revenue recognized
 
(190,812
)
 
(109,547
)
Billings in excess of revenue recognized
 
$
112,092

 
$
86,954
Schedule of Earnings Per Share, Basic and Diluted
Earnings per Share. For each year presented, the only difference between our annual calculated weighted average basic and diluted number of shares outstanding is the effect of outstanding restricted stock units.