Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 11.5	$ 9.8
Accounts and notes receivable, net	166.4	167.7
Inventories	4.3	4.2
Deferred income taxes	1.3	1.3
Prepaid expenses and other assets	26.8	25.1
Current assets related to discontinued operations	0.2	66.9
Total current assets	210.5	275.0
Investments in affiliate	59.5	56.5
Property, at cost	1,779.8	1,760.7
Less accumulated depreciation and amortization	(1,003.3)	(960.2)
Property - net	776.5	800.5
Other Assets	112.0	95.2
Long-term assets related to discontinued operations		1,317.1
Total	1,158.5	2,544.3
Current Liabilities:
Notes payable and current portion of long-term debt	21.4	17.5
Accounts payable	127.0	135.5
Payroll and vacation benefits	15.9	16.0
Uninsured claims	7.3	6.5
Due to affiliate		2.2
Accrued and other liabilities	22.2	8.8
Current liabilities related to discontinued operations	0.1	92.2
Total current liabilities	193.9	278.7
Long-term Liabilities:
Long-term debt	307.2	180.1
Deferred income taxes	248.8	255.1
Employee benefit plans	103.3	113.0
Due to affiliate		0.5
Uninsured claims and other liabilities	33.4	24.3
Long term liabilities related to discontinued operations		570.1
Total long-term liabilities	692.7	1,143.1
Commitments and Contingencies (Note 3)
Shareholders' Equity:
Capital stock	31.9	34.0
Additional capital	251.5	238.3
Accumulated other comprehensive loss	(42.9)	(91.9)
Retained earnings	31.4	953.0
Cost of treasury stock		(10.9)
Total shareholders' equity	271.9	1,122.5
Total	$ 1,158.5	$ 2,544.3