CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating Revenue:
Ocean transportation	$ 1,074	$ 1,012	$ 887
Logistics services	386	355	321
Real estate leasing	93	81	71
Real estate sales	14	14	16
Agribusiness	155	152	97
Total operating revenue	1,722.0	1,614.0	1,392.0
Operating Costs and Expenses:
Cost of ocean transportation services	908	806	740
Cost of logistics services	348	314	280
Cost of real estate sales and leasing	67	60	54
Cost of agribusiness goods and services	131	150	130
Selling, general and administrative	154	158	154
Total operating costs and expenses	1,608	1,488	1,358
Operating Income	114.0	126.0	34.0
Other Income and (Expense):
Gain on insurance settlement	0	2	0
Agriculture disaster relief payment	0	4	0
Gain on consolidation of HS&TC	0	0	5
Income (loss) related to real estate joint ventures	(2)	5	(2)
Interest income	0	2	0
Interest expense	(25.0)	(26.0)	(25.0)
Income From Continuing Operations Before Income Taxes	87.0	114.0	12.0
Income taxes	32.0	45.0	5.0
Income From Continuing Operations	55.0	69.0	7.0
Income from discontinued operations, net of income taxes (Note 2)	(21.0)	23.0	37.0
Net Income	$ 34.0	$ 92.0	$ 44.0
Basic Earnings per Share of Common Stock:
Continuing operations (in dollars per share)	$ 1.32	$ 1.68	$ 0.19
Discontinued operations (in dollars per share)	$ (0.50)	$ 0.55	$ 0.89
Net income (in dollars per share)	$ 0.82	$ 2.23	$ 1.08
Diluted Earnings per Share of Common Stock:
Continuing operations (in dollars per share)	$ 1.31	$ 1.67	$ 0.19
Discontinued operations (in dollars per share)	$ (0.50)	$ 0.55	$ 0.89
Net income (in dollars per share)	$ 0.81	$ 2.22	$ 1.08
Weighted Average Number of Shares Outstanding:
Basic (in shares)	41.6	41.2	41.0
Diluted (in shares)	42.0	41.5	41.1