Supplemental Cash Flow and Noncash Investing Transactions (Tables)

12 Months Ended

Dec. 31, 2013

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

	2013		2012		2011
Supplemental Cash Flow Information (in millions)
Interest paid (1)	$	148.7	$	162.3	$	152.7
Income taxes paid (refunded), net	7.4		11.1		(2.8		)

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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.

Noncash Investing Transactions

In 2011, we received six vessels with a fair value of $88.8 million