Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2021

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Schedule of valuation and qualifying accounts

	Year Ended December 31,
(in thousands)	2021			2020			2019
Beginning balance-credit losses	$	41,727		$	27,938		$	24,287
Additions-charged to expense	9,721			19,469			10,095
Amounts written off	(21,662		)	(7,842		)	(6,179		)
Other (primarily changes in foreign currency exchange rates)	2,024			2,162			(265		)
Ending balance-credit losses	$	31,810		$	41,727		$	27,938