CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash Flows Provided by Operating Activities from Continuing Operations
Net income from continuing operations	$ 53.7	$ 52.0	$ 45.8
Reconciling adjustments:
Depreciation and amortization	69.7	72.5	71.6
Deferred income taxes	57.5	(8.8)	(5.0)
Loss (gain) on disposal of property	0.2	(1.2)	(0.8)
Post-retirement expense	1.6	2.6	4.5
Share-based compensation expense	5.9	4.0	2.7
Equity in loss (income) of terminal joint venture	2.0	(3.2)	(8.6)
Dividend from terminal joint venture			5.3
Impairment of intangible assets	0	2.1	0
Tax benefit from equity issuance	1.8
Excess tax benefit from stock-based compensation	(0.6)
Changes in assets and liabilities:
Accounts receivable	(7.6)	(7.0)	(10.8)
Deferred dry-docking payments	(14.0)	(44.8)	(36.0)
Deferred dry-docking amortization	22.0	23.3	22.7
Prepaid expenses and other assets	(11.8)	(10.4)	(3.4)
Accounts payable and accrued liabilities	2.2	(7.9)	17.1
Other liabilities	13.1	20.8	(1.0)
Net cash provided by operating activities from continuing operations	195.7	94.0	104.1
Cash Flows Used in Investing Activities from Continuing Operations:
Capital expenditures	(35.2)	(38.1)	(47.2)
Proceeds from disposal of property and equipment	4.5	6.8	2.3
Deposits into Capital Construction Fund	(4.4)	(4.4)	(4.4)
Withdrawals from Capital Construction Fund	4.4	4.4	4.4
Payments for acquisitions	(9.3)
Contribution from the Former Parent Company		25.0	40.3
Net cash used in investing activities from continuing operations	(40.0)	(6.3)	(4.6)
Cash Flows Used in Financing Activities from Continuing Operations:
Excess tax benefit from stock-based compensation	0.6
Proceeds from issuance of long-term debt	21.0	197.0	109.0
Payments of long-term debt	(45.4)	(80.4)	(69.5)
(Payments) to/ proceeds from the line-of-credit agreements, net	(11.0)	5.0	(6.2)
Payment of financing costs		(1.9)	(0.5)
Payment of capital leases	(1.2)
Proceeds from issuance of capital stock	1.7	25.2	10.1
Dividends paid	(26.8)	(39.5)	(53.1)
Contribution to A&B upon Separation		(155.7)
Cash assumed by A&B upon Separation		(2.5)
Distribution to Former Parent Company from issuance of capital stock		(21.7)
Distribution paid to Former Parent Company			(60.0)
Net cash used in financing activities from continuing operations	(61.1)	(74.5)	(70.2)
Cash Flows from Discontinued Operations:
Cash flows used in operating activities of discontinued operations		(29.9)	(17.8)
Cash flows used in investing activities of discontinued operations		(18.8)	(26.1)
Cash flows provided by financing activities of discontinued operations		33.9	21.9
Net cash flows used in discontinued operations		(14.8)	(22.0)
Net Increase (Decrease) in Cash and Cash Equivalents	94.6	(1.6)	7.3
Cash and cash equivalents, beginning of the year	19.9	21.5	14.2
Cash and cash equivalents, end of the year	114.5	19.9	21.5
Supplemental Cash Flow Information:
Interest paid	13.8	11.3	7.8
Income tax (refund) paid	(3.4)	42.7	0.6
Non-cash Information:
Capital expenditures included in accounts payable and accrued liabilities	2.1	4.2	4.2
Capital lease obligations	$ 2.9