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Supplemental Cash Flow and Noncash Investing Transactions
 12 Months Ended
Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow and Noncash Investing Transaction Supplemental Cash Flow Information and Noncash Investing Transactions
 
2019
 
2018
 
2017
Supplemental Cash Flow Information (in millions)
 
 
 
 
 
Interest paid (1)
$
185.1

 
$
164.0

 
$
154.6

Income taxes paid, net
11.6

 
18.1

 
21.5



 
2019
 
2018
 
2017
Noncash Investing Transactions (in millions)
 
 
 
 
 
Portfolio investments and capital additions (2)
$
16.4

 
$
—

 
$
—

Purchase of leased-in assets (3)
—

 
—

 
11.6

________
(1)
Interest paid consisted of interest on debt obligations, interest rate swaps (net of interest received), and finance leases.
(2)
This amount represents the cash paid for 157 railcars we acquired in 2019 that were previously accounted for as a finance lease.
(3)
In 2017, we acquired 1,224 railcars that were previously on operating lease for a cash payment of $20.7 million and assumed a debt obligation in the amount of $11.6 million.