Retirement Benefits - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Retirement Benefits [Abstract]
Defined severance contribution, Recognized expense	$ 0.6	$ 0.9	$ 1.9	$ 1.5