Long-Term Trade And Unbilled Receivables (Tables)

12 Months Ended

Dec. 31, 2015

Billed and Unbilled Contract Claims Subject to Uncertainty [Abstract]

Schedule Of Long-Term Trade And Unbilled Receivables

	December 31,
	2015		2014
Receivables	$	96	$	459
Unbilled receivables	152,367		212,266
	$	152,463	$	212,725