Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Activities:
Net income attributable to OUTFRONT Media Inc.	$ 140.1	$ 107.9	$ 125.8
Adjustments to reconcile net income to net cash flow provided by operating activities:
Net income attributable to non-controlling interests	0.5	0.0	0.0
Depreciation and amortization	194.5	185.0	189.8
Deferred tax (benefit) provision	0.2	(0.4)	(4.9)
Stock-based compensation	22.3	20.2	20.5
Provision for doubtful accounts	5.3	1.9	4.4
Accretion expense	2.5	2.4	2.3
Net gain on dispositions	(3.8)	(5.5)	(14.3)
Impairment charge	0.0	42.9	0.0
Loss on extinguishment of debt	28.5	0.0	0.0
Equity in earnings of investee companies, net of tax	(5.7)	(4.1)	(4.8)
Distributions from investee companies	4.9	3.0	7.3
Amortization of deferred financing costs and debt discount and premium	7.9	5.7	6.1
Cash paid for direct lease acquisition costs	(47.1)	(41.3)	(39.2)
Change in assets and liabilities, net of investing and financing activities
Increase in receivables	(29.5)	(37.2)	(9.5)
Increase in prepaid MTA equipment deployment costs	(92.0)	(74.8)	(4.7)
(Increase) decrease in prepaid expenses and other current assets	3.5	(0.2)	0.2
Increase (decrease) in accounts payable and accrued expenses	36.3	21.7	(31.9)
Increase in operating lease assets and liabilities	6.7	0.0	0.0
Increase (decrease) in deferred revenues	(0.8)	8.5	0.8
Increase (decrease) in income taxes	0.2	(3.1)	2.1
Other, net	2.4	(18.3)	(0.7)
Net cash flow provided by operating activities	276.9	214.3	249.3
Investing Activities:
Capital expenditures	(89.9)	(82.3)	(70.8)
Acquisitions	(69.7)	(7.0)	(69.2)
MTA franchise rights	(24.0)	(13.3)	(0.9)
Proceeds from dispositions	5.8	7.9	5.6
Return of investment in investee companies	1.5	4.3	0.0
Net cash flow used for investing activities	(176.3)	(90.4)	(135.3)
Financing Activities
Proceeds from long-term debt borrowings	1,270.0	104.0	8.3
Repayments of long-term debt borrowings	(1,191.5)	(104.0)	0.0
Proceeds from borrowings under short-term debt facilities	505.0	245.0	250.0
Repayments of borrowings under short-term debt facilities	(470.0)	(165.0)	(170.0)
Payments of deferred financing costs	(22.1)	(0.3)	(8.5)
Payments of debt extinguishment charges	(20.6)	0.0	0.0
Proceeds from shares issued under the ATM Program	50.9	15.3	0.0
Proceeds from stock option exercises	0.0	0.0	1.2
Earnout payment related to prior acquisition	0.0	(0.4)	(2.0)
Taxes withheld for stock-based compensation	(7.9)	(8.4)	(8.5)
Dividends	(208.1)	(203.9)	(201.8)
Other	0.0	0.0	(0.2)
Net cash flow used for financing activities	(94.3)	(117.7)	(131.5)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0.5	(0.4)	0.6
Net increase (decrease) in cash, cash equivalents and restricted cash	6.8	5.8	(16.9)
Cash, cash equivalents and restricted cash at beginning of year	54.1	48.3	65.2
Cash, cash equivalents and restricted cash at end of year	60.9	54.1	48.3
Supplemental disclosure of cash flow information
Cash paid for income taxes	10.5	8.4	6.8
Cash paid for interest	121.5	117.5	111.0
Non-cash investing and financing activities
Accrued purchases of property and equipment	7.7	5.8	9.5
MTA franchise rights	4.0	1.4	0.0
Issuance of shares of a subsidiary for an acquisition	0.0	0.0	44.6
Acquisitions	0.0	0.0	(13.3)
Dispositions	$ 0.0	$ 0.0	$ 13.3