Acquisitions - Schedule of Purchase Price Allocation (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 25, 2022	Mar. 31, 2022	Dec. 31, 2021
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Operating Lease Liabilities		$ (2,196,846)	$ (2,171,472)
Goodwill Initially Recorded(4)		5,023,691	$ 4,463,531
2022 Acquisitions
Business Acquisition [Line Items]
Cash Paid (gross of cash acquired)		748,846
Deferred Purchase Obligation and Other		276,300
Total Consideration		1,025,146
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Cash		30,720
Accounts Receivable, Prepaid Expenses and Other Assets		71,892
Property, plant and equipment		7,600
Intangible assets		47,300
Operating Lease Right-of-Use Assets		30,395
Accounts Payable, Accrued Expenses and Other Liabilities		(60,014)
Operating Lease Liabilities		(30,395)
Deferred Income Taxes		(141,560)
Total Fair Value of Identifiable Net Assets Acquired		444,018
Goodwill Initially Recorded(4)		581,128
Proceeds from previous acquisition		219
Deferred Purchase Obligation (as defined in Note 3)		275,100
2022 Acquisitions | Customer Relationships
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Intangible assets		$ 488,080
ITRenew
Business Acquisition [Line Items]
Cash Paid (gross of cash acquired)	$ 748,846
Total Consideration	725,000
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Deferred Purchase Obligation (as defined in Note 3)	$ 275,100
Acquired finite-lived intangible assets, weighted average useful life		11 years
GLOBAL RIM BUSINESS
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Purchase price holdback		$ 1,200