Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash Flows From Operating Activities:
Net income	$ 30.9	$ 46.8
Reconciling adjustments:
Depreciation and amortization	47.5	47.6
Non-cash operating lease expense	33.5
Deferred income taxes	9.9	14.6
Share-based compensation expense	6.2	5.5
Equity in income of Terminal Joint Venture	(9.4)	(19.6)
Distribution from Terminal Joint Venture	9.5	17.5
Other	(1.6)	(0.6)
Changes in assets and liabilities:
Accounts receivable, net	10.8	(27.1)
Deferred dry-docking payments	(6.9)	(5.1)
Deferred dry-docking amortization	17.2	18.3
Prepaid expenses and other assets	25.5	3.0
Accounts payable, accruals and other liabilities	(29.6)	18.4
Operating lease liabilities	(33.3)
Other long-term liabilities	(2.0)	(0.2)
Net cash provided by operating activities	108.2	119.1
Cash Flows From Investing Activities:
Capitalized vessel construction expenditures	(30.6)	(166.8)
Other capital expenditures	(38.4)	(25.5)
Proceeds from disposal of property and equipment	2.2	11.0
Cash deposits into Capital Construction Fund	(26.4)	(198.3)
Withdrawals from Capital Construction Fund	26.4	199.2
Net cash used in investing activities	(66.8)	(180.4)
Cash Flows From Financing Activities:
Repayments of debt and capital leases	(11.8)	(14.6)
Proceeds from revolving credit facility	212.8	268.9
Repayments of revolving credit facility	(212.8)	(178.9)
Proceeds from issuance of capital stock		0.5
Dividends paid	(18.2)	(17.3)
Tax withholding related to net share settlements of restricted stock units	(3.2)	(4.3)
Net cash (used in) provided by financing activities	(33.2)	54.3
Net Decrease in Cash, Cash Equivalents and Restricted Cash	8.2	(7.0)
Cash, Cash Equivalents and Restricted Cash, Beginning of the Period	24.5	19.8
Cash, Cash Equivalents and Restricted Cash, End of the Period	32.7	12.8
Reconciliation of Cash, Cash Equivalents, and Restricted Cash, at End of the Year:
Cash and Cash Equivalents	24.0	12.8
Restricted Cash	8.7
Cash, Cash Equivalents and Restricted Cash, End of the Period	32.7	12.8
Supplemental Cash Flow Information:
Interest paid, net of capitalized interest	7.8	8.9
Income tax paid, net of income tax refunds	(26.2)	4.2
Non-cash Information:
Capital expenditures included in accounts payable, accruals and other liabilities	3.7	0.8
Accrued dividends	$ 9.4	$ 9.0