Revenue Recognition and Contracts with Customers - Schedule of Disaggregated Net Sales Satisfied Over Time and at a Point in Time (Excluding Intercompany Sales) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Disaggregation Of Revenue [Line Items]
Amortization of acquired contract liabilities									$ 2,721	$ 2,500	$ 5,871
Net sales	$ 358,587	$ 284,955	$ 284,678	$ 263,823	$ 325,458	$ 261,662	$ 248,288	$ 295,154	1,192,043	1,130,562	1,262,704
Systems & Support [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers									1,024,909	916,460	827,316
Amortization of acquired contract liabilities									2,721	2,500	5,859
Revenues excluding intercompany sales									1,027,630	918,960	833,175
Systems & Support [Member] | Transferred over Time [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers									317,242	322,043	308,637
Systems & Support [Member] | Transferred at Point in Time [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers									707,667	594,417	518,679
Interiors [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers									164,413	211,602	429,517
Amortization of acquired contract liabilities											12
Revenues excluding intercompany sales									164,413	211,602	429,529
Interiors [Member] | Transferred over Time [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers									135,872	189,710	402,194
Interiors [Member] | Transferred at Point in Time [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers									$ 28,541	$ 21,892	$ 27,323