Goodwill, Net Intangibles and Other Noncurrent Assets (Tables)

9 Months Ended

Dec. 31, 2015

Goodwill and Deferred Charges and Other Non-Current Assets

Schedule of carrying amount of goodwill by operating segment

Changes in goodwill by segment were as follows:

	Flight Systems Group		Defense Systems Group		Space Systems Group			Total
	As Restated		As Restated		As Restated			As Restated
Balance, March 31, 2014	$	530,869	$	363,247	$	145,647		$	1,039,763
Merger	266,657		—		590,135			856,792
Impairment	—		—		(34,300		)	(34,300		)
Balance, March 31, 2015	$	797,526	$	363,247	$	701,482		$	1,862,255
Measurement period adjustments	125,465		—		(159,354		)	(33,889		)
Balance, December 31, 2015	$	922,991	$	363,247	$	542,128		$	1,828,366

Schedule of deferred charges and other non-current assets

Other noncurrent assets consisted of the following:

	December 31, 2015		March 31, 2015
	As Restated		As Restated
Parts inventory	$	10,303	$	9,973
Environmental remediation receivable	15,145		23,771
Derivative contracts	1,105		4,105
Tax refund receivable	42,555		38,392
Other noncurrent assets	70,354		66,220
Total other noncurrent assets	$	139,462	$	142,461

Schedule of amortizing assets

Net intangibles consisted of the following amortizing intangibles:

	December 31, 2015							March 31, 2015
	Gross Carrying Amount		Accumulated Amortization			Total		Gross Carrying Amount		Accumulated Amortization			Total
Contract Backlog	$	179,000	$	(36,696	)	$	142,304	$	164,000	$	(6,167	)	$	157,833
Patented technology	11,018		(6,206		)	4,812		10,700		(5,350		)	5,350
Customer relationships and other	24,294		(24,254		)	40		24,294		(22,270		)	2,024
Net intangibles	$	214,312	$	(67,156	)	$	147,156	$	198,994	$	(33,787	)	$	165,207

Schedule of expected future amortization expense

Scheduled amortization is as follows:

	Contract Backlog		Patents and Customer Relationships		Total
2016	$	42,495	$	1,220	$	43,715
2017	41,005		1,180		42,185
2018	33,045		1,120		34,165
2019	19,184		1,072		20,256
2020	6,575		260		6,835
Total	$	142,304	$	4,852	$	147,156