Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating activities:
Net (loss) income	$ (13,399)	$ 32,662	$ (27,635)	$ 56,173
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	84,459	52,399	161,670	104,003
Amortization of deferred financing costs and pension withdrawal liability			2,233	2,742
Amortization of above/below market leases			401	76
Loss on debt extinguishment, modifications and termination of derivative instruments			4,301	542
Foreign exchange (gain) loss	140	(315)	(33)	177
Loss from investments in partially owned entities			761	156
Share-based compensation expense	5,500	4,500	10,498	8,730
Deferred income tax benefit	6,568	(967)	4,566	(3,069)
Gain from sale of real estate			0	(21,875)
Gain on sale of assets			(475)	(420)
Impairment of long-lived assets			1,528	3,667
Provision for doubtful accounts receivable			2,910	3,554
Changes in operating assets and liabilities:
Accounts receivable			(1,775)	13,364
Accounts payable and accrued expenses			(14,332)	5,028
Other			(16,865)	(8,868)
Net cash provided by operating activities			127,753	163,980
Investing activities:
Proceeds from sale of investments in partially owned entities			596	0
Investment in partially owned entities			(6,260)	(26,197)
Proceeds from sale of property, buildings and equipment			1,063	69,051
Proceeds from the settlement of net investment hedge			0	3,034
Business combinations, net of cash acquired			(215,329)	(315,668)
Additions to property, buildings and equipment			(207,292)	(173,245)
Purchase of noncontrolling interest holders share in consolidated joint venture			(11,600)	0
Net cash used in investing activities			(438,822)	(443,025)
Financing activities:
Distributions paid on common shares, restricted stock units and noncontrolling interests in Operating Partnership			(110,813)	(80,976)
Proceeds from stock options exercised			5,191	5,882
Remittance of withholding taxes related to employee share-based transactions			(15,791)	(5,650)
Proceeds from revolving line of credit			210,841	186,753
Repayment on revolving line of credit			(70,000)	(177,075)
Repayment of sale-leaseback financing obligations			(1,184)	(1,785)
Repayment of financing lease obligations			(19,337)	(8,853)
Payment of debt issuance costs			(3,110)	(8,345)
Repayment of term loan and mortgage notes			(203,493)	(53,342)
Proceeds from term loan			0	177,075
Net proceeds from issuance of common shares			214,775	340,628
Net cash provided by financing activities			7,079	374,312
Net increase in cash, cash equivalents and restricted cash			(303,990)	95,267
Effect of foreign currency translation on cash, cash equivalents and restricted cash			(984)	(4,040)
Cash, cash equivalents and restricted cash:
Beginning of period			621,051	240,613
End of period	316,077	331,840	316,077	331,840
Supplemental disclosures of non-cash investing and financing activities:
Addition of property, buildings and equipment on accrual			63,587	25,607
Addition of fixed assets under financing lease obligations			11,553	23,505
Addition of fixed assets under operating lease obligations			3,368	510
Supplemental Cash Flow Information [Abstract]
Interest paid – net of amounts capitalized			43,328	46,877
Income taxes paid – net of refunds			6,147	1,405
Allocation of purchase price to business combinations:
Goodwill	1,018,288		1,018,288
Business Acquisitions
Allocation of purchase price to business combinations:
Land	17,245	33,829	17,245	33,829
Buildings and improvements	97,448	127,868	97,448	127,868
Machinery and equipment	19,073	40,105	19,073	40,105
Assets under construction	191	308	191	308
Operating and financing lease right-of-use assets	28,785	926	28,785	926
Cash and cash equivalents	6,107	1,997	6,107	1,997
Accounts receivable	3,796	5,271	3,796	5,271
Goodwill	42,579	66,950	42,579	66,950
Acquired identifiable intangibles:
Other assets	482	120	482	120
Accounts payable and accrued expenses	(5,527)	(2,282)	(5,527)	(2,282)
Operating and financing lease obligations	(20,467)	(590)	(20,467)	(590)
Unearned revenue	(84)	(607)	(84)	(607)
Deferred tax liability	(20,195)	(34,516)	(20,195)	(34,516)
Total consideration	221,436	317,665	221,436	317,665
Business Acquisitions | Customer relationships
Acquired identifiable intangibles:
Acquired identifiable intangible assets	$ 52,003	$ 78,286	$ 52,003	$ 78,286