Net Receivables (Tables)

9 Months Ended

Dec. 31, 2015

Receivables [Abstract]

Schedule of receivables, including amounts due under long-term contracts (contract receivables)

Net receivables, including amounts due under long-term contracts consisted of the following:

	December 31, 2015			March 31, 2015
	As Restated			As Restated
Billed receivables
U.S. Government contracts	$	121,756		$	186,430
Commercial and other	95,766			88,601
Unbilled receivables
U.S. Government contracts	807,778			866,709
Commercial and other	646,549			559,481
Less allowance for doubtful accounts	(1,028		)	(4,692		)
Net receivables	$	1,670,821		$	1,696,529

Schedule of reconciliation of changes in allowance for doubtful accounts

Changes in the allowance for doubtful accounts were as follows:

Balance, March 31, 2013	$	4,801
Expense	609
Write-offs	(626		)
Other adjustments	107
Balance, March 31, 2014	4,891
Expense	599
Write-offs	(17		)
Other adjustments	(781		)
Balance, March 31, 2015	4,692
Expense	12
Write-offs	(3,737		)
Other adjustments	61
Balance, December 31, 2015	$	1,028