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Accounts Receivable and Credit Losses (Classification of Accounts Receivable) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019
Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]
Trade receivables, current - Gross	$ 87,537
Trade receivables, current - Allowance	(12,220)
Trade receivables, current - Net	75,317
Financing Receivable, after Allowance for Credit Loss, Current [Abstract]
Financing receivables, current - Gross	5,019
Financing receivables, current - Allowance	(2,777)
Financing receivables, current - Net	2,242
Accounts Receivable, after Allowance for Credit Loss [Abstract]
Accounts receivable, current - Gross	92,556
Accounts receivable, current - Allowance	(14,997)
Accounts receivable, current - Net	77,559		$ 87,042	$ 98,732
Financing Receivable, after Allowance for Credit Loss, Noncurrent [Abstract]
Financing receivables, noncurrent - Gross	40,728
Financing receivables, noncurrent - Allowance	(13,540)
Financing receivables, noncurrent - Net	27,188
Financing Receivable, after Allowance for Credit Loss [Abstract]
Total	45,747		50,025	50,296
Total Financing receivables - Allowance	(16,317)	$ (17,355)	$ (15,690)	$ (14,691)	$ (13,873)	$ (6,289)
Total Financing receivables - Net	$ 29,430

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