RESTRUCTURING COSTS - Schedule of Restructuring Reserve Activities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	$ 0
Provision	4,551
Cash Payments	(3,540)
Restructuring Liability, Ending Balance	1,011
Aerospace & Industrial
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	2,356
Cash Payments	(2,227)
Restructuring Liability, Ending Balance	129
Defense Electronics
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	510
Cash Payments	(395)
Restructuring Liability, Ending Balance	115
Naval & Power
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	120
Cash Payments	(120)
Restructuring Liability, Ending Balance	0
Severance
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	1,576
Cash Payments	(1,461)
Restructuring Liability, Ending Balance	115
Severance | Aerospace & Industrial
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	946
Cash Payments	(946)
Restructuring Liability, Ending Balance	0
Severance | Defense Electronics
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	510
Cash Payments	(395)
Restructuring Liability, Ending Balance	115
Severance | Naval & Power
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	120
Cash Payments	(120)
Restructuring Liability, Ending Balance	0
Facility closure and other costs
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	2,975
Cash Payments	(2,079)
Restructuring Liability, Ending Balance	896
Facility closure and other costs | Aerospace & Industrial
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	1,410
Cash Payments	(1,281)
Restructuring Liability, Ending Balance	129
Facility closure and other costs | Defense Electronics
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	0
Cash Payments	0
Restructuring Liability, Ending Balance	0
Facility closure and other costs | Naval & Power
Restructuring Reserve [Roll Forward]
Restructuring Liability, Beginning Balance	0
Provision	0
Cash Payments	0
Restructuring Liability, Ending Balance	$ 0