Revenue Recognition and Contracts with Customers Contract Assets and Liabilities (Tables)

9 Months Ended

Dec. 31, 2019

Dec. 31, 2018

Disaggregation of Revenue [Line Items]

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

	Total		Less than 1 year		1-3 years		4-5 years		More than 5 years
Unsatisfied performance obligations	$	4,142,321	$	1,798,557	$	1,320,852	$	519,786	$	503,126

Disaggregation of Revenue [Table Text Block]

The following table shows disaggregated net sales by end market (excluding intercompany sales) for the three and nine months ended December 31, 2019 and 2018:

	Three Months Ended December 31,				Nine Months Ended December 31,
	2019		2018		2019		2018
Integrated Systems
Commercial aerospace	$	145,026	$	124,453	$	413,263	$	378,117
Military	93,405		87,486		277,009		258,488
Business jets	10,358		16,369		43,897		43,939
Regional	8,166		7,048		24,026		21,004
Non-aviation	8,051		6,222		24,262		19,378
Revenue from contracts with customers	265,006		241,578		782,457		720,926
Amortization of acquired contract liabilities	8,377		8,172		26,126		25,789
Total revenue	$	273,383	$	249,750	$	808,583	$	746,715
Aerospace Structures
Commercial aerospace	$	208,943	$	230,556	$	681,471	$	756,661
Military	27,394		54,275		83,773		178,679
Business jets	98,370		181,511		330,178		541,520
Regional	24,523		7,807		80,155		24,342
Non-aviation	9		8,268		19		21,556
Revenue from contracts with customers	359,239		482,417		1,175,596		1,522,758
Amortization of acquired contract liabilities	8,220		6,559		30,027		22,980
Total revenue	$	367,459	$	488,976	$	1,205,623	$	1,545,738
Product Support
Commercial aerospace	$	47,206	$	53,596	$	148,552	$	158,158
Military	12,455		11,383		32,726		32,637
Business jets	418		350		1,383		2,143
Regional	3,144		3,840		9,408		10,512
Non-aviation	601		—		732		—
Total revenue from contracts with customers	63,824		69,169		192,801		203,450
	$	704,666	$	807,895	$	2,207,007	$	2,495,903

The following table shows disaggregated net sales satisfied overtime and at a point in time (excluding intercompany sales) for the three and nine months ended December 31, 2019 and 2018:

	Three Months Ended December 31,				Nine Months Ended December 31,
	2019		2018		2019		2018
Integrated Systems
Satisfied over time	$	76,267	$	66,208	$	224,442	$	205,379
Satisfied at a point in time	188,739		175,370		558,015		515,547
Revenue from contracts with customers	265,006		241,578		782,457		720,926
Amortization of acquired contract liabilities	8,377		8,172		26,126		25,789
Total revenue	273,383		249,750		808,583		746,715
Aerospace Structures
Satisfied over time	$	330,657	$	434,870	$	1,075,141	$	1,385,368
Satisfied at a point in time	28,582		47,547		100,455		137,390
Revenue from contracts with customers	359,239		482,417		1,175,596		1,522,758
Amortization of acquired contract liabilities	8,220		6,559		30,027		22,980
Total revenue	367,459		488,976		1,205,623		1,545,738
Product Support
Satisfied over time	$	58,962	$	64,942	$	179,383	$	189,174
Satisfied at a point in time	4,862		4,227		13,418		14,276
Total revenue from contracts with customers	63,824		69,169		192,801		203,450
	$	704,666	$	807,895	$	2,207,007	$	2,495,903

Contract with Customer, Asset and Liability [Table Text Block]

	December 31, 2019			March 31, 2019			Change
Contract assets	$	265,190		$	326,667		$	(61,477	)
Contract liabilities	(376,522		)	(450,051		)	73,529
Net contract liability	$	(111,332	)	$	(123,384	)	$	12,052