Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Measurements

Schedule of financial assets and liabilities measured at fair value

	Estimated Fair Value March 31, 2019
	Total		Input Levels Used
	Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	77,670	$	77,670	$	-	$	-
Available for sale securities		199,944		3,041		196,903		-
Foreign currency forward contracts		(197)		-		(197)		-
Commodity futures contracts		(151)		(151)		-		-
Trading securities		69,260		69,260		-		-
Total assets measured at fair value	$	346,526	$	149,820	$	196,706	$	-
	Estimated Fair Value December 31, 2018
		Total	Input Levels Used
		Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	110,899	$	110,899	$	-	$	-
Available for sale securities		183,289		3,000		180,289		-
Foreign currency forward contracts		(407)		-		(407)		-
Commodity futures contracts, net		(587)		(587)		-		-
Trading securities		62,260		62,260		-		-
Total assets measured at fair value	$	355,454	$	175,572	$	179,882	$	-
	Estimated Fair Value March 31, 2018
		Total	Input Levels Used
		Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	49,867	$	49,867	$	-	$	-
Available for sale securities		192,712		-		192,712		-
Foreign currency forward contracts		21		-		21		-
Commodity futures contracts		(1,095)		(1,095)		-		-
Trading securities		63,520		63,520		-		-
Total assets measured at fair value	$	305,025	$	112,292	$	192,733	$	-