Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

FAIR VALUE MEASUREMENTS

Schedule of financial assets and liabilities measured at fair value

	Estimated Fair Value September 30, 2018
	Total		Input Levels Used
	Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	64,333	$	64,333	$	-	$	-
Available for sale securities		189,172		732		188,440		-
Foreign currency forward contracts		177		-		177		-
Commodity futures contracts		(859)		(859)		-		-
Trading securities		67,594		67,594		-		-
Total assets measured at fair value	$	320,417	$	131,800	$	188,617	$	-
	Estimated Fair Value December 31, 2017
		Total	Input Levels Used
		Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	96,314	$	96,314	$	-	$	-
Available for sale securities		171,596		1,200		170,396		-
Foreign currency forward contracts		79		-		79		-
Commodity futures contracts, net		32		32		-		-
Trading securities		60,520		60,520		-		-
Total assets measured at fair value	$	328,541	$	158,066	$	170,475	$	-
	Estimated Fair Value September 30, 2017
		Total	Input Levels Used
		Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	49,512	$	49,512	$	-	$	-
Available for sale securities		193,169		2,402		190,767		-
Foreign currency forward contracts		147		-		147		-
Commodity futures contracts		(364)		(364)		-		-
Trading securities		75,094		75,094		-		-
Total assets measured at fair value	$	317,558	$	126,644	$	190,914	$	-