Acquisitions - Schedule of Purchase Price Allocation (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 25, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Goodwill Initially Recorded		$ 5,017,912	$ 4,882,734	$ 4,463,531
All acquisitions
Consideration paid for acquisitions
Cash Paid (gross of cash acquired)		88,635		224,192
Fair Value of Noncontrolling Interests		78,598		3,878
Fair Value of Previously Held Equity Interest		99,718		0
Deferred purchase obligation, purchase price holdbacks and other		4,790		2,534
Settlement of Pre-Existing Relationships		21,641		0
Total Consideration		293,382		230,604
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Cash and Cash Equivalents		49,716		20,194
Accounts Receivable, Prepaid Expenses and Other Assets		36,274		26,911
Property, Plant and Equipment		140,668		150,095
Operating Lease Right-of-Use Assets		29,046		40,848
Debt Assumed		(22,413)		(9,026)
Accounts Payable, Accrued Expenses and Other Liabilities		(19,323)		(22,733)
Operating Lease Liabilities		(29,046)		(40,848)
Deferred Income Taxes		(4,495)		(7,221)
Total Fair Value of Identifiable Net Assets Acquired		202,803		203,057
Goodwill Initially Recorded		90,579		27,547
Cash paid for previous acquisition		$ 2,930	581	$ 0
ITRenew And Other 2022 Acquisitions
Consideration paid for acquisitions
Cash Paid (gross of cash acquired)			834,766
Fair Value of Noncontrolling Interests			0
Fair Value of Previously Held Equity Interest			0
Deferred purchase obligation, purchase price holdbacks and other			288,737
Settlement of Pre-Existing Relationships			0
Total Consideration			1,123,503
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Cash and Cash Equivalents			31,657
Accounts Receivable, Prepaid Expenses and Other Assets			75,559
Property, Plant and Equipment			101,263
Operating Lease Right-of-Use Assets			32,680
Debt Assumed			0
Accounts Payable, Accrued Expenses and Other Liabilities			(62,226)
Operating Lease Liabilities			(32,680)
Deferred Income Taxes			(111,065)
Total Fair Value of Identifiable Net Assets Acquired			575,202
Goodwill Initially Recorded			548,301
ITRenew
Consideration paid for acquisitions
Cash Paid (gross of cash acquired)	$ 748,846		749,596
Fair Value of Noncontrolling Interests			0
Fair Value of Previously Held Equity Interest			0
Deferred purchase obligation, purchase price holdbacks and other			275,100
Settlement of Pre-Existing Relationships			0
Total Consideration			1,024,696
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Cash and Cash Equivalents			30,694
Accounts Receivable, Prepaid Expenses and Other Assets			71,612
Property, Plant and Equipment			7,541
Operating Lease Right-of-Use Assets			29,545
Debt Assumed			0
Accounts Payable, Accrued Expenses and Other Liabilities			(60,157)
Operating Lease Liabilities			(29,545)
Deferred Income Taxes			(100,922)
Total Fair Value of Identifiable Net Assets Acquired			483,668
Goodwill Initially Recorded			541,028
Deferred Purchase Obligations and Other Deferred Payments			275,100
Other 2022 Acquisitions
Consideration paid for acquisitions
Cash Paid (gross of cash acquired)			85,170
Fair Value of Noncontrolling Interests			0
Fair Value of Previously Held Equity Interest			0
Deferred purchase obligation, purchase price holdbacks and other			13,637
Settlement of Pre-Existing Relationships			0
Total Consideration			98,807
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Cash and Cash Equivalents			963
Accounts Receivable, Prepaid Expenses and Other Assets			3,947
Property, Plant and Equipment			93,722
Operating Lease Right-of-Use Assets			3,135
Debt Assumed			0
Accounts Payable, Accrued Expenses and Other Liabilities			(2,069)
Operating Lease Liabilities			(3,135)
Deferred Income Taxes			(10,143)
Total Fair Value of Identifiable Net Assets Acquired			91,534
Goodwill Initially Recorded			$ 7,273
Customer relationship intangible assets
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Acquired finite-lived intangible assets, weighted average useful life		4 years	12 years	11 years
Customer relationship intangible assets | All acquisitions
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Intangible assets		$ 14,330		$ 35,181
Customer relationship intangible assets | ITRenew And Other 2022 Acquisitions
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Intangible assets			$ 491,272
Customer relationship intangible assets | ITRenew
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Intangible assets			487,600
Customer relationship intangible assets | Other 2022 Acquisitions
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Intangible assets			3,672
Other Intangible Assets | All acquisitions
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Intangible assets		$ 8,046		$ 9,656
Other Intangible Assets | ITRenew And Other 2022 Acquisitions
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Intangible assets			48,742
Other Intangible Assets | ITRenew
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Intangible assets			47,300
Other Intangible Assets | Other 2022 Acquisitions
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Intangible assets			$ 1,442