Accounts Receivable (Schedule of Changes in Allowance for Credit Losses for Accounts Receivable) (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]
Accounts receivable expected credit losses at beginning	$ (1,719)		$ (1,719)
Charges			(1,097)
Currency translation			50
Other			71
Accounts receivable expected credit losses at end			$ (3,878)
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]
Accounts receivable expected credit losses at beginning	$ (1,183)		$ (1,183)
Specific customer reserves [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses at beginning	(1,719)		(1,719)
Charges			12
Currency translation			42
Other			74
Accounts receivable expected credit losses at end			(1,635)
Specific customer reserves [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses at beginning	(44)		(44)
Incremental expected credit losses [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses at beginning	0		0
Charges			(1,109)
Currency translation			8
Other			(3)
Accounts receivable expected credit losses at end			(2,243)
Incremental expected credit losses [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable expected credit losses at beginning	$ (1,139)		$ (1,139)