Employee Benefit Plans - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Jan. 13, 2026
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 336.1
Projected benefit obligation		392.8
Net pension liabilities	$ 53.9
Net pension liabilities, current	1.9
Net pension liabilities, noncurrent	52.0
Contributions by employer	$ 2.7
Lanteris Space Holdings LLC
Defined Benefit Plan Disclosure [Line Items]
Acquired defined benefit pension and other postretirement plan		56.7
Acquired defined benefit pension and other postretirement plan, current		1.9
Acquired defined benefit pension and other postretirement plan, noncurrent		$ 54.8