Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

FAIR VALUE MEASUREMENTS

Schedule of financial assets and liabilities measured at fair value

	Estimated Fair Value June 30,2018
	Total		Input Levels Used
	Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	38,334	$	38,334	$	-	$	-
Available for sale securities		192,392		-		192,392		-
Foreign currency forward contracts		-		-		-		-
Commodity futures contracts		(904)		(904)		-		-
Trading securities		65,000		65,000		-		-
Total assets measured at fair value	$	294,822	$	102,430	$	192,392	$	-
	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 June 30,2017
		Total	Input Levels Used
		Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	57,804	$	57,804	$	-	$	-
Available for sale securities		192,983		2,406		190,577		-
Foreign currency forward contracts		83		-		83		-
Commodity futures contracts		(348)		(348)		-		-
Trading securities		75,265		75,265		-		-
Total assets measured at fair value	$	325,787	$	135,127	$	190,660	$	-