Supplemental Cash Flow Data

12 Months Ended

Dec. 31, 2023

Supplemental Cash Flow Data [Abstract]

Supplemental Cash Flow Data

Supplemental Cash Flow Data

Change in operating capital:

	Year Ended December 31,
	2023		2022		2021
(Increase) decrease in accounts receivable	$	(513.9)	$	(129.1)	$	(989.1)
(Increase) decrease in work in process and other current assets	(121.8)		(197.9)		(281.7)
Increase (decrease) in accounts payable	602.3		(350.1)		921.3
Increase (decrease) in customer advances, taxes payable and other      current liabilities	(399.6)		(97.8)		338.8
Change in other assets and liabilities, net	(29.9)		(69.1)		171.2
Increase (decrease) in operating capital	$	(462.9)	$	(844.0)	$	160.5

Supplemental financial information:

	Year Ended December 31,
	2023		2022		2021
Income taxes paid	$	474.3	$	450.3	$	454.4
Interest paid	$	162.8	$	173.9	$	219.3

Interest paid for 2021 includes a $37.7 million cash payment on the early redemption of all the outstanding $1.25 billion principal amount of 3.625% Senior Notes due 2022.

Non-cash increase in lease liabilities:

	Year Ended December 31,
	2023		2022
Operating leases	$	206.9	$	241.7
Finance leases	$	48.2	$	74.5