SEGMENTS (Tables)

9 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Schedule of selected financial information for each reportable segment and the reconciliation of EBITDA to operating income

	Three Months Ended December 31,						Nine Months Ended December 31,
	2017			2016			2017			2016
Net sales:
Integrated Systems	$	239,198		$	256,080		$	711,099		$	758,803
Aerospace Structures	282,495			304,235			807,754			956,114
Precision Components	219,675			226,294			685,701			740,354
Product Support	68,039			87,292			202,839			257,317
Elimination of inter-segment sales	(34,161		)	(29,038		)	(105,302		)	(99,703		)
	$	775,246		$	844,863		$	2,302,091		$	2,612,885

	Three Months Ended December 31,						Nine Months Ended December 31,
	2017			2016			2017			2016
(Loss) income before income taxes:
Operating income (expense):
Integrated Systems	$	42,667		$	51,596		$	132,171		$	145,379
Aerospace Structures	12,022			23,867			23,253			57,898
Precision Components	(186,225		)	2,942			(191,100		)	7,223
Product Support	12,399			14,662			32,069			42,986
Corporate	(567		)	(37,901		)	(78,840		)	(81,107		)
	(119,704		)	55,166			(82,447		)	172,379
Interest expense and other	25,836			19,698			72,229			55,721
	$	(145,540	)	$	35,468		$	(154,676	)	$	116,658
Depreciation and amortization:
Integrated Systems	$	8,318		$	9,766		$	27,857		$	30,228
Aerospace Structures	19,048			17,942			57,484			54,289
Precision Components	9,850			13,999			27,858			42,344
Product Support	1,663			2,294			5,068			7,230
Corporate	441			330			1,051			989
	$	39,320		$	44,331		$	119,318		$	135,080
Impairment charge of intangible assets:
Precision Components	$	190,227		$	—		$	190,227		$	—
Amortization of acquired contract liabilities, net:
Integrated Systems	$	11,634		$	7,628		$	28,235		$	27,101
Aerospace Structures	21,352			21,105			60,315			60,190
Precision Components	1,506			473			3,312			1,740
	$	34,492		$	29,206		$	91,862		$	89,031
Adjusted EBITDA:
Integrated Systems	$	39,351		$	53,734		$	131,793		$	148,506
Aerospace Structures	9,718			20,704			20,422			51,997
Precision Components	12,346			16,468			23,673			47,827
Product Support	14,062			16,956			37,137			50,216
Corporate	(15,225		)	(23,221		)	(71,994		)	(60,994		)
	$	60,252		$	84,641		$	141,031		$	237,552
Capital expenditures:
Integrated Systems	$	1,903		$	2,763		$	5,923		$	8,586
Aerospace Structures	2,384			2,228			9,503			9,820
Precision Components	3,407			2,636			12,563			11,040
Product Support	599			687			1,629			2,020
Corporate	864			843			2,314			1,657
	$	9,157		$	9,157		$	31,932		$	33,123

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

	December 31, 2017		March 31, 2017
Total Assets:
Integrated Systems	$	1,220,259	$	1,281,828
Aerospace Structures	1,573,942		1,548,239
Precision Components	1,056,015		1,262,691
Product Support	285,302		284,231
Corporate	50,414		37,611
	$	4,185,932	$	4,414,600