Customer Advances In Excess Of Costs Incurred On Contracts In Progress (Tables)

12 Months Ended

Dec. 31, 2015

Costs in Excess of Billings on Uncompleted Contracts or Programs [Abstract]

Schedule Of Customer Advances

	December 31,
	2015		2014
Advances received	$	753,708	$	686,408
Less -
Advances presented under long-term liabilities	167,601		120,299
Advances deducted from inventories	70,282		72,555
	515,825		493,554
Less -
Costs incurred on contracts in progress (See Note 5)	78,623		80,331
	$	437,202	$	413,223