Supplemental Cash Flow and Noncash Investing Transactions (Tables)

12 Months Ended

Dec. 31, 2020

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

	2020		2019		2018
Supplemental Cash Flow Information (in millions)
Interest paid (1)	$	189.8	$	185.1	$	164.0
Income taxes paid, net	21.4		11.6		18.1