Supplemental Cash Flow Data

12 Months Ended

Dec. 31, 2021

Supplemental Cash Flow Data [Abstract]

Supplemental Cash Flow Data

Supplemental Cash Flow Data

The change in operating capital was (in millions):

	Year Ended December 31,
	2021		2020		2019
(Increase) decrease in accounts receivable	$	(989.1)	$	141.2	$	(156.6)
(Increase) decrease in work in process and other current assets	(281.7)		293.0		(99.8)
Increase (decrease) in accounts payable	921.3		(428.6)		276.3
Increase (decrease) in customer advances, taxes payable and other      current liabilities	338.8		65.9		87.2
Change in other assets and liabilities, net	171.2		(40.6)		18.0
Increase in operating capital	$	160.5	$	30.9	$	125.1

Supplemental financial information (in millions):

	Year Ended December 31,
	2021		2020		2019
Income taxes paid	$	454.4	$	376.5	$	361.0
Interest paid	$	219.3	$	205.5	$	246.3

Non-cash increase in lease liabilities (in millions):

	Year Ended December 31,
	2021		2020
Operating leases	$	123.3	$	133.9
Finance leases	$	67.4	$	32.1