Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2021

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information Table

We paid the following in the respective periods: 

	Six Months Ended June 30,
(millions)	2021		2020
Income taxes	$	574.1	$	18.0
Interest	112.0		94.1
Operating lease liabilities	44.8		44.7