Accounts Receivable (Schedule of Changes in Allowance for Credit Losses for Noncurrent Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Noncurrent receivables expected credit losses at beginning	$ 0		$ 0
Charges			(185)
Currency translation			8
Other			0
Noncurrent receivables expected credit losses at end			$ (383)
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201602Member	us-gaap:AccountingStandardsUpdate201613Member
Cumulative Effect, Period of Adoption, Adjustment [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Noncurrent receivables expected credit losses at beginning	$ (206)		$ (206)