Supplemental Cash Flow and Noncash Investing Transactions

12 Months Ended

Dec. 31, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow and Noncash Investing Transaction

Supplemental Cash Flow Information and Noncash Investing Transactions

	2017		2016		2015
Supplemental Cash Flow Information (in millions)
Interest paid (1)	$	154.6	$	145.4	$	144.4
Income taxes paid, net	21.5		28.6		13.3

	2017		2016		2015
Noncash Investing Transactions (in millions)
Purchase of leased-in assets (2)	$	11.6	$	—	$	—
Capital lease (3)	$	—	$	—	$	17.8

________

(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.

(3) In 2015, we acquired all of the rights and obligations of 157 railcars, classified as a capital lease in the amount of $17.8 million, which included the assumption of a capital lease obligation in the amount of $14.8 million.