Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 14.7	$ 89.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	108.1	102.1
Provision for bad debt expense	(0.1)	0.0
Unrealized gain on marketable equity investment	(14.7)	(101.2)
Foreign currency and derivative gains, net	(5.1)	0.0
Proceeds from swap terminations	2.9	0.0
Loss on early extinguishment of debt	3.4	0.0
Interest expense amortization, net	2.0	1.2
Stock-based compensation expense	3.7	4.5
Deferred income tax benefit	(2.0)	(0.8)
Operating lease cost	6.2	5.0
Other income (expense)	0.2	(0.5)
Change in operating assets and liabilities:
Rent and other receivables, net and other assets	(29.4)	(18.0)
Accounts payable and accrued expenses	(1.2)	(39.8)
Deferred revenue and prepaid rents	3.2	7.1
Operating lease liabilities	(5.6)	(5.1)
Net cash provided by operating activities	86.3	43.9
Cash flows from investing activities:
Investment in real estate	(196.5)	(301.9)
Equity investments	(3.3)	0.0
Net cash used in investing activities	(199.8)	(301.9)
Cash flows from financing activities:
Issuance of common stock, net	0.6	105.0
Dividends paid	(58.4)	(50.4)
Payment of deferred financing costs	(13.6)	0.0
Proceeds from revolving credit facility	244.4	275.7
Repayments of revolving credit facility	(623.1)	0.0
Proceeds from Euro bond	550.6	0.0
Proceeds from unsecured term loan	1,100.0	0.0
Repayments of unsecured term loan	(1,100.0)	0.0
Payments on finance lease liabilities	(0.7)	(0.6)
Tax payment upon exercise of equity awards	(6.3)	(8.7)
Net cash provided by (used in) financing activities	93.5	321.0
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0.9	(0.1)
Net decrease in cash, cash equivalents and restricted cash	(19.1)	62.9
Cash, cash equivalents and restricted cash at beginning of period	77.7	64.4
Cash, cash equivalents and restricted cash at end of period	58.6	127.3
Supplemental disclosure of cash flow information:
Cash paid for interest, including amounts capitalized of $6.0 million and $9.3 million in 2020 and 2019, respectively	8.3	46.7
Non-cash investing and financing activities:
Construction costs payable	183.4	155.5
Dividends payable	$ 58.7	$ 51.5