Other-Net, (Income) Expense

12 Months Ended

Dec. 31, 2023

Nonoperating Income (Expense) [Abstract]

Other-Net, (Income) Expense

Other–Net, (Income) Expense

Other–net, (income) expense consisted of the following:

	2023		2022		2021
Interest expense	$	485.9	$	331.6	$	339.8
Interest income	(173.6)		(62.8)		(25.4)
Net investment (gains) losses on equity securities (Note 7)	20.2		410.7		(176.9)
Debt extinguishment loss (Note 11)	—		—		405.2
Retirement benefit plans	(461.9)		(372.9)		(289.7)
Other (income) expense	32.7		14.3		(51.4)
Other–net, (income) expense	$	(96.7)	$	320.9	$	201.6