Financial Instruments and Fair Value Measurements (Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss)) (Details) - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Forward Currency Contracts [Member]
Derivatives designated as cash flow hedges:
Gain (loss) recorded in other comprehensive income (loss)	$ 642	$ (29)	$ (1,962)	$ 397
Gain (loss) reclassified from other comprehensive income (loss) into net income	(499)	131	(1,602)	646
Foreign currency cash flow hedge gain (loss) to be reclassified during next 12 months	(360)		(360)
Losses expected to be recognized in interest expense in next year	582
Losses expected to be recognized in interest expense after next year	859
Interest Rate Swap [Member]
Derivatives designated as cash flow hedges:
Gain (loss) recorded in other comprehensive income (loss)	(3)		(1,715)
Gain (loss) reclassified from other comprehensive income (loss) into net income	(156)		(274)
Cost of Goods Sold [Member]
Derivatives designated as cash flow hedges:
Gain (loss) reclassified from other comprehensive income (loss) into net income			(1,226)	521
Cost of Goods Sold [Member] | Forward Currency Contracts [Member]
Derivatives designated as cash flow hedges:
Gain (loss) reclassified from other comprehensive income (loss) into net income	(387)	131
Design and Development Expense [Member]
Derivatives designated as cash flow hedges:
Gain (loss) reclassified from other comprehensive income (loss) into net income			(29)	125
Selling, General and Administrative Expenses [Member]
Derivatives designated as cash flow hedges:
Gain (loss) reclassified from other comprehensive income (loss) into net income			(347)	$ 0
Selling, General and Administrative Expenses [Member] | Forward Currency Contracts [Member]
Derivatives designated as cash flow hedges:
Gain (loss) reclassified from other comprehensive income (loss) into net income	(112)	$ 0
Interest Expense [Member]
Derivatives designated as cash flow hedges:
Gain (loss) reclassified from other comprehensive income (loss) into net income			$ 274
Interest Expense [Member] | Forward Currency Contracts [Member]
Derivatives designated as cash flow hedges:
Gain (loss) reclassified from other comprehensive income (loss) into net income	$ 156