Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Credit Loss [Member] - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Allowance for Doubtful Accounts, Balance at beginning of year		$ 92,792	$ 69,433	$ 80,000
Allowance for doubtful accounts, Charged to Income		7,039	26,942	26,220
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account	[1]	(1,963)
SEC Schedule, 12-09, Valuation Allowances and Reserves, Increase (Decrease) Adjustment	[1]		47,521	(681)
Allowance for Doubtful Accounts, Write-down		21,967	51,104	36,106
Allowance for Doubtful Accounts, Balance at end of year		$ 75,901	$ 92,792	$ 69,433

[1] “Other” primarily includes the effect of fluctuations in foreign currencies and the allowance for doubtful accounts of the businesses acquired and disposed of by the company. For the year ended December 31, 2020, “Other” also includes the effect of adoption of ASU No. 2016-13, refer to Note 5, Accounts Receivable, to the consolidated financial statements included in Item 8 of Part II of this Form 10-K.