Other–Net, (Income) Expense (Tables)

9 Months Ended

Sep. 30, 2021

Nonoperating Income (Expense) [Abstract]

Schedule of other–net, (income) expense

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Interest expense	$	83.6	$	89.6	$	258.4	$	270.4
Interest income	(7.0)		(5.8)		(18.0)		(27.2)
Net investment (gains) losses on equity securities (Note 6)	246.8		(141.7)		(270.1)		(905.1)
Retirement benefit plans	(72.6)		(114.0)		(217.1)		(194.5)
Debt extinguishment loss (Note 6)	405.2		—		405.2		—
Other (income) expense	(20.1)		13.0		(34.1)		161.5
Other–net, (income) expense	$	635.9	$	(158.9)	$	124.3	$	(694.9)