CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 114.5	$ 19.9
Accounts receivable, net	182.3	174.7
Deferred income taxes	9.1	6.6
Prepaid expenses and other assets	43.0	32.9
Total current assets	348.9	234.1
Investment in terminal joint venture	57.6	59.6
Property and equipment, net	735.4	762.5
Goodwill and intangible assets, net	31.2	30.9
Other long-term assets	75.2	87.2
Total assets	1,248.3	1,174.3
Current Liabilities:
Current portion of long-term debt	12.5	16.4
Accounts payable	124.0	125.8
Payroll and vacation benefits	16.9	16.0
Self-insured liabilities	15.1	11.2
Accrued and other liabilities	32.1	24.0
Total current liabilities	200.6	193.4
Long-term Liabilities:
Long-term debt	273.6	302.7
Deferred income taxes	326.1	251.9
Employee benefit plans	74.4	108.0
Self-insured claims and other liabilities	35.4	38.4
Total long-term liabilities	709.5	701.0
Commitments and Contingencies
Shareholders' Equity:
Capital stock - common stock without par value; authorized, 150 million shares ($0.75 stated value per share); outstanding, 42.8 million shares in 2013 and 42.6 million shares in 2012	32.1	31.9
Additional paid in capital	261.9	252.7
Accumulated other comprehensive loss	(23.5)	(45.5)
Retained earnings	67.7	40.8
Total shareholders' equity	338.2	279.9
Total liabilities and shareholders' equity	$ 1,248.3	$ 1,174.3