Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 81.8	$ 19.9
Accounts and notes receivable, net	171.1	174.7
Inventories	4.3	4.3
Deferred income taxes	6.6	6.6
Prepaid expenses and other assets	48.3	28.6
Total current assets	312.1	234.1
Investment in terminal joint venture	56.6	59.6
Property, at cost	1,783.1	1,770.8
Less accumulated depreciation and amortization	(1,046.9)	(1,008.3)
Property - net	736.2	762.5
Other assets	115.3	118.1
Total	1,220.2	1,174.3
Current Liabilities:
Notes payable and current portion of long-term debt	12.5	16.4
Accounts payable	128.1	125.8
Payroll and vacation benefits	15.0	16.0
Uninsured claims	13.4	11.2
Accrued and other liabilities	20.3	24.0
Total current liabilities	189.3	193.4
Long-term Liabilities:
Long-term debt	277.4	302.7
Deferred income taxes	296.9	251.9
Employee benefit plans	106.0	108.0
Uninsured claims and other liabilities	35.0	38.4
Total long-term liabilities	715.3	701.0
Commitments and Contingencies (Note 4)
Shareholders' Equity:
Capital stock	32.1	31.9
Additional paid in capital	260.1	252.7
Accumulated other comprehensive loss	(43.9)	(45.5)
Retained earnings	67.3	40.8
Total shareholders' equity	315.6	279.9
Total	$ 1,220.2	$ 1,174.3