Supplemental Cash Flow Data

12 Months Ended

Dec. 31, 2019

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,
	2019		2018		2017
(Increase) decrease in accounts receivable	$	(156.6)	$	88.3	$	(341.6)
(Increase) decrease in work in process and other current assets	(99.8)		(269.3)		5.4
Increase (decrease) in accounts payable	276.3		242.9		763.2
Increase (decrease) in customer advances, taxes payable and other      current liabilities	87.2		54.3		4.8
Change in other assets and liabilities, net	18.0		(35.7)		(83.3)
Increase (decrease)	$	125.1	$	80.5	$	348.5
Income taxes paid	$	361.0	$	590.9	$	566.0
Interest paid	$	246.3	$	243.2	$	226.2

Supplemental non-cash information related to leases for the year ended December 31, 2019 was (in millions):

Net increase in lease liability:
Operating leases	$	1,816.7
Finance leases	$	54.1