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Legal Actions And Contingencies (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2018	Apr. 30, 2018	Mar. 31, 2018	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2020
Loss Contingencies [Line Items]
Income taxes payable				$ 35,166		$ 64,755
Contingent Obligations Under Recourse Provisions [Member]
Loss Contingencies [Line Items]
Receivables sold with limited recourse				72,600	$ 59,300
Maximum potential contingent liability				27,000		22,800
Contingent provision				$ 7,900		$ 6,600
Australian Taxation Office [Member]
Loss Contingencies [Line Items]
Percentage of penalties on additional income tax	50.00%
Tax liabilities related to assessments	$ 75,900	$ 75,900	$ 151,700
Accrued interest			$ 38,400

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.

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