Pension Benefit Plans

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Pension Benefit Plans

8. Pension Benefit Plans:

The components of net periodic benefit cost for pension benefits were as follows (in millions):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2023		2022		2023		2022
Service cost	$	0.5	$	1.1	$	1.1	$	2.1
Interest cost	2.2		1.5		4.5		3.0
Expected return on plan assets	(2.4)		(2.3)		(4.7)		(4.6)
Recognized actuarial loss	0.2		1.3		0.4		2.9
Other	—		—		(0.3)		(0.1)
Settlements and curtailments	0.1		0.2		0.3		0.3
Net periodic benefit cost	$	0.6	$	1.8	$	1.3	$	3.6