Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Measurements [Abstract]

Assets And Liabilities Measured On Recurring Basis

(In thousands)		Fair Value Measurements at Reporting Date Using
Description		December 31, 2016		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash and cash equivalents available for sale:
Money Market Funds	$	68,577		68,577		-		-
Short-term investments available for sale:
Corporate bonds		71,357		-		71,357		-
Time deposits		1,760		1,760		-
Derivatives		15,113		-		15,113		-
Total Assets	$	156,807	$	70,337	$	86,470	$	-
Liabilities
Derivatives	$	(8,199)		-		(8,199)		-
Total Liabilities	$	(8,199)	$	-	$	(8,199)	$	-
(In thousands)		Fair Value Measurements at Reporting Date Using
Description		December 31, 2015		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash and cash equivalents available for sale:
Money Market Funds	$	87,429	$	87,429	$	-	$	-
Short-term investments available for sale:
Corporate bonds		68,044		-		68,044		-
U.S. treasuries and agencies		4,417		-		4,417		-
Time deposits		9,328		9,328		-		-
Derivatives		1,231		-		1,231		-
Total Assets	$	170,449	$	96,757	$	73,692	$	-
Liabilities
Derivatives	$	(8,746)	$	-	$	(8,746)	$	-
Total Liabilities	$	(8,746)	$	-	$	(8,746)	$	-