SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for doubtful accounts
Changes in valuation and qualifying accounts
Balance at Beginning of Period		$ 14,779	$ 16,002	$ 12,827
Additions: Charged to Costs and Expenses		718	1,391	1,227
Additions: Charged to Other Accounts	[1]	(2,491)	(1,239)	3,792
Deductions	[2]	1,901	1,375	1,844
Balance at End of Period		11,105	14,779	16,002
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Changes in valuation and qualifying accounts
Balance at Beginning of Period		65,413	71,546	69,400
Additions: Charged to Costs and Expenses		1,147	9,606	3,691
Additions: Charged to Other Accounts	[1]	(3,873)	(6,741)	(481)
Deductions	[2]	7,068	8,998	1,064
Balance at End of Period		$ 55,619	$ 65,413	$ 71,546

[1] Currency translation adjustment, reductions from restructuring and other adjustments.

[2] For the Allowance for doubtful accounts, deductions relate to uncollectible accounts written-off, net of recoveries. For the Deferred tax asset valuation allowance, deductions relate to the reversal of valuation allowances due to the realization of net operating loss carryforwards.