Summary of Significant Accounting Policies (Tables)

9 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Schedule of sales concentration

Sales by customer were as follows:

	Percentage of Sales
	Nine Months Ended December 31, 2015		Years Ended
			March 31, 2015		March 31, 2014
	As Restated		As Restated		As Restated
Sales to:
U.S. Army	15	%	26	%	32	%
U.S. Navy	11		15		17
NASA	23		13		14
U.S. Air Force	4		7		7
Other U.S. Government customers	17		14		14
Total U.S. Government customers	70		75		84
Commercial and foreign customers	30		25		16
Total	100	%	100	%	100	%

Schedule of classification of inventories

Net inventories consisted of the following:

	December 31, 2015		March 31, 2015
	As Restated
Raw materials	$	88,365	$	69,112
Work/contracts in process	124,315		126,038
Finished goods	532		964
Net inventories	$	213,212	$	196,114

Schedule Of Valuation And Qualifying Accounts Disclosure

Changes in allowances for excess and obsolete inventory were as follows (as restated):

Balance, March 31, 2014	$	13,257
Expense	993
Write-offs	652
Other adjustments	2,110
Balance, March 31, 2015	17,012
Expense	3,082
Other adjustments	3,613
Balance, December 31, 2015	$	23,707

Schedule of weighted-average outstanding shares used in calculation of basic earnings per share to diluted earnings per share

Weighted-average shares outstanding were determined as follows:

	Nine Months Ended December 31, 2015	Years Ended
In thousands		March 31, 2015	March 31, 2014
Basic	59,358	35,469	31,671
Dilutive effect of stock-based awards	557	377	376
Dilutive effect of contingently issuable shares	—	294	676
Diluted	59,915	36,140	32,723
Anti-dilutive stock options excluded from the calculation of diluted earnings per share	91	73	45

Schedule of components of accumulated OCI, net of income taxes

Changes in AOCI, net of income taxes, were as follows:

	Nine Months Ended December 31, 2015											Year Ended March 31, 2015
	Derivatives			Pension and Other Post- retirement Benefits			Available-for-sale Securities		Total			Derivatives			Pension and Other Post- retirement Benefits			Available-for-sale Securities		Cumulative Translation Adjustment			Total
Beginning of period unrealized gain (loss) in AOCI	$	(2,073	)	$	(846,645	)	$	1,070	$	(847,648	)	$	(5,022	)	$	(675,114	)	$	832	$	(1,505	)	$	(680,809	)
Net decrease in fair value of derivatives	(5,654		)	—			—		(5,654		)	(8,097		)	—			—		—			(8,097		)
Net losses reclassified from AOCI, offsetting the price paid to suppliers (1)	4,668			—			—		4,668			11,046			—			—		—			11,046
Net losses reclassified from AOCI, due to ineffectiveness (1)	—			—			—		—			—			—			—		—			—
Net actuarial losses reclassified from AOCI (2)	—			70,550			—		70,550			—			13,841			—		—			13,841
Prior service costs reclassified from AOCI (2)	—			(13,004		)	—		(13,004		)	—			(18,906		)	—		—			(18,906		)
Valuation adjustment for pension and postretirement benefit plans (2)	—			4,805			—		4,805			—			(224,389		)	—		—			(224,389		)
Net change in cumulative translation adjustment	—			—			—		—			—			—			—		(36,796		)	(36,796		)
Other	—			—			375		375			—			—			238		—			238
Distribution of Sporting (3)	—			—			—		—			—			57,923			—		38,301			96,224
End of period unrealized gain (loss) in AOCI	$	(3,059	)	$	(784,294	)	$	1,445	$	(785,908	)	$	(2,073	)	$	(846,645	)	$	1,070	$	—		$	(847,648	)

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(1) Amounts related to derivative instruments that were reclassified from AOCI and recorded as a component of cost of sales or interest expense for each period presented.

(2) Amounts related to pension and other postretirement benefits that were reclassified from AOCI and recorded as a component of net periodic benefit cost for each period presented (Note 11).

(3) Amounts related to Sporting Group prior to the Distribution (Note 5).