Supplemental Cash Flow and Noncash Investing Transactions

12 Months Ended

Dec. 31, 2018

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow and Noncash Investing Transaction

Supplemental Cash Flow Information and Noncash Investing Transactions

	2018		2017		2016
Supplemental Cash Flow Information (in millions)
Interest paid (1)	$	164.0	$	154.6	$	145.4
Income taxes paid, net	$	18.1	$	21.5	$	28.6

	2018		2017		2016
Noncash Investing Transactions (in millions)
Purchase of leased-in assets (2)	$	—	$	11.6	$	—

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(1) Interest paid consisted of interest on debt obligations, interest rate swaps (net of interest received), and capital leases. The interest expense we capitalized as part of the cost of construction of major assets was immaterial for all periods presented.

(2) 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.