Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flows From Operating Activities:
Net income	$ 3.8	$ 12.5
Reconciling adjustments:
Depreciation and amortization	27.0	23.3
Amortization of operating lease right of use assets	17.4	16.7
Deferred income taxes	2.7	3.8
Share-based compensation expense	3.1	3.2
Income from SSAT	(4.0)	(8.5)
Distribution from SSAT	7.8	4.2
Other	(0.1)	(0.6)
Changes in assets and liabilities:
Accounts receivable, net	(12.9)	5.8
Deferred dry-docking payments	(2.6)	(3.2)
Deferred dry-docking amortization	6.1	8.1
Prepaid expenses and other assets	(0.2)	4.8
Accounts payable, accruals and other liabilities	38.9	(20.4)
Operating lease liabilities	(16.9)	(16.7)
Other long-term liabilities	(1.5)	0.4
Net cash provided by operating activities	68.6	33.4
Cash Flows From Investing Activities:
Capitalized vessel construction expenditures	(9.1)	(20.9)
Other capital expenditures	(26.1)	(13.5)
Proceeds from disposal of property and equipment	14.5	1.2
Cash deposits into Capital Construction Fund	(70.4)	(13.4)
Withdrawals from Capital Construction Fund	70.4	13.4
Net cash used in investing activities	(20.7)	(33.2)
Cash Flows From Financing Activities:
Repayments of debt	(11.4)	(8.2)
Proceeds from revolving credit facility	111.4	107.8
Repayments of revolving credit facility	(133.5)	(87.8)
Payment of financing costs	(3.1)
Dividends paid	(9.5)	(9.1)
Tax withholding related to net share settlements of restricted stock units	(4.5)	(3.1)
Net cash provided by (used in) financing activities	(50.6)	(0.4)
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(2.7)	(0.2)
Cash, Cash Equivalents and Restricted Cash, Beginning of the Period	28.4	24.5
Cash, Cash Equivalents and Restricted Cash, End of the Period	25.7	24.3
Reconciliation of Cash, Cash Equivalents, and Restricted Cash, at End of the Year:
Cash and Cash Equivalents	19.9	15.4
Restricted Cash	5.8	8.9
Cash, Cash Equivalents and Restricted Cash, End of the Period	25.7	24.3
Supplemental Cash Flow Information:
Interest paid, net of capitalized interest	8.6	4.8
Income tax paid, net	(0.3)	(5.4)
Non-cash Information:
Capital expenditures included in accounts payable, accruals and other liabilities	$ 3.5	$ 5.5