Revenue Recognition and Contracts with Customers - Schedule of Disaggregated Net Sales by End Market (Excluding Intercompany Sales) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Disaggregation Of Revenue [Line Items]
Amortization of acquired contract liabilities	$ 523	$ 1,214
Net sales	349,384	396,646
Systems & Support [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	254,120	257,203
Amortization of acquired contract liabilities	523	1,202
Revenues excluding intercompany sales	254,643	258,405
Systems & Support [Member] | OEM Commercial [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	78,020	59,239
Systems & Support [Member] | OEM Military [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	56,936	76,695
Systems & Support [Member] | MRO Commercial [ Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	60,039	55,847
Systems & Support [Member] | MRO Military [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	50,946	59,112
Systems & Support [Member] | Non-aviation [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	8,179	6,310
Aerospace Structures [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	94,741	138,229
Amortization of acquired contract liabilities	0	12
Revenues excluding intercompany sales	94,741	138,241
Aerospace Structures [Member] | OEM Commercial [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	90,519	121,692
Aerospace Structures [Member] | OEM Military [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	28	12,651
Aerospace Structures [Member] | MRO Commercial [ Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	3,144	2,816
Aerospace Structures [Member] | MRO Military [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	0	1,052
Aerospace Structures [Member] | Non-aviation [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	$ 1,050	$ 18