Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Net income	$ 56,173	$ 262
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	104,003	70,533
Amortization of deferred financing costs and pension withdrawal liability	2,742	2,978
Amortization of above/below market leases	76	76
Loss on debt extinguishment and modification, non-cash	542	0
Foreign exchange loss	177	23
Loss (income) from investments in partially owned entities	156	(54)
Share-based compensation expense (modification of restricted stock units)	0	3,044
Share-based compensation expense	8,730	5,810
Deferred income tax benefit	(3,069)	(4,412)
(Gain) loss from sale of real estate	(21,875)	34
(Gain) loss on other asset disposals	(420)	189
Impairment of long-lived assets	3,667	13,485
Provision for doubtful accounts receivable	3,554	622
Changes in operating assets and liabilities:
Accounts receivable	13,364	3,287
Accounts payable and accrued expenses	5,028	(23,883)
Other	(8,868)	7,841
Net cash provided by operating activities	163,980	79,835
Investing activities:
Return of investment in joint venture	0	2,000
Investment in partially owned entities	(26,197)	0
Proceeds from sale of property, buildings and equipment	69,051	822
Proceeds from the settlement of net investment hedge	3,034	0
Business combinations, net of cash acquired	(315,668)	(1,323,265)
Acquisitions of property, buildings and equipment, net of cash acquired	0	(35,923)
Additions to property, buildings and equipment	(173,245)	(98,428)
Net cash used in investing activities	(443,025)	(1,454,794)
Financing activities:
Distributions paid on common shares	(80,976)	(58,206)
Proceeds from stock options exercised	5,882	9,647
Remittance of withholding taxes related to employee share-based transactions	(5,650)	(3,570)
Proceeds from revolving line of credit	186,753	100,000
Repayment on revolving line of credit	(177,075)	(100,000)
Repayment of sale-leaseback financing obligations	(1,785)	(1,500)
Repayment of financing lease obligations	(8,853)	(5,838)
Payment of debt issuance costs	(8,345)	(2,025)
Repayment of term loan, mortgage notes and notes payable	(53,342)	(7,113)
Proceeds from term loan	177,075	0
Proceeds from issuance of senior unsecured notes	0	350,000
Net proceeds from issuance of common shares	340,628	1,206,627
Net cash provided by financing activities	374,312	1,488,022
Net increase in cash, cash equivalents and restricted cash	95,267	113,063
Effect of foreign currency translation on cash, cash equivalents and restricted cash	(4,040)	86
Cash, cash equivalents and restricted cash:
Beginning of period	240,613	214,097
End of period	331,840	327,246
Supplemental disclosures of cash flows information:
Acquisition of fixed assets under financing lease obligations	23,505	20,215
Acquisition of fixed assets under operating lease obligations	510	8,117
Interest paid – net of amounts capitalized	46,877	26,188
Income taxes paid – net of refunds	1,405	2,975
Acquisition of property, buildings and equipment on accrual	25,607	20,886
Reconciliation of cash, cash equivalents and restricted cash reported in the condensed consolidated balance sheets to the ending cash, cash equivalents and restricted cash balances above:
Cash and cash equivalents			$ 298,709	$ 320,805
Restricted cash			33,131	6,441
Total cash, cash equivalents and restricted cash	331,840	327,246	331,840	327,246
Allocation of purchase price to business combinations:
Goodwill			385,285
Business Acquisitions
Allocation of purchase price to business combinations:
Land			33,829	63,463
Building and improvements			127,868	724,756
Machinery and equipment			40,105	170,339
Assets under construction			308	20,968
Operating and financing lease right-of-use assets			926	1,254
Cash and cash equivalents			1,997	4,977
Accounts receivable			5,271	22,761
Goodwill			66,950	113,806
Acquired identifiable intangibles:
Other assets			120	18,802
Accounts payable and accrued expenses			(2,282)	(32,444)
Notes payable			0	(17,179)
Operating and financing lease obligations			(590)	(1,254)
Unearned revenue			(607)	(3,536)
Pension and postretirement benefits			0	(2,020)
Deferred tax liability			(34,516)	(9,063)
Total consideration			317,665	1,328,242
Business Acquisitions | Customer relationships
Acquired identifiable intangibles:
Identifiable intangibles			78,286	250,989
Business Acquisitions | Trade names and trademarks
Acquired identifiable intangibles:
Identifiable intangibles			$ 0	$ 1,623
Asset Acquisitions
Allocation of purchase price of property, buildings and equipment to:
Assembled workforce	0	351
Other assets	0	601
Cash paid for acquisition of property, buildings and equipment	0	35,923
Asset Acquisitions | Investments in land, building and improvements
Allocation of purchase price of property, buildings and equipment to:
Property, plant and equipment	0	31,561
Asset Acquisitions | Machinery and equipment
Allocation of purchase price of property, buildings and equipment to:
Property, plant and equipment	$ 0	$ 3,410