Annual report pursuant to Section 13 and 15(d)

SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details)

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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
SEC Schedule, 12-09, Allowance, Credit Loss [Member]      
Valuation allowances and reserves [Roll Forward]      
Balance at Beginning of Period $ 34,225 $ 32,755 $ 29,634
Charges of Costs, Expenses and Other 24,419 21,378 16,664
Write-off of Accounts Receivable 7,968 19,777 14,846
Other [1] (160) (131) 1,303
Balance at End of Period 50,516 34,225 32,755
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]      
Valuation allowances and reserves [Roll Forward]      
Balance at Beginning of Period 530,642 596,437 681,566
Charges of Costs, Expenses and Other 8,536 (8,845) 18,067
Deletions 0 0 0
Other [2] 128,064 (56,950) (103,196)
Balance at End of Period $ 667,242 $ 530,642 $ 596,437
[1] Foreign currency adjustments and acquisitions.
[2] During 2019, 2018 and 2017, the valuation allowance was adjusted for acquisitions, divestitures and foreign currency adjustments.