Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value Measurements

Schedule of financial assets and liabilities measured at fair value

	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	$	-
	Estimated Fair Value December 31, 2016
		Total	Input Levels Used
		Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	119,145	$	119,145	$	-	$	-
Available for sale securities		164,183		2,419		161,764		-
Foreign currency forward contracts		(119)		-		(119)		-
Commodity futures contracts, net		1,746		1,746		-		-
Trading securities		67,995		67,995		-		-
Total assets measured at fair value	$	352,950	$	191,305	$	161,645	$	-
	Estimated Fair Value June 30, 2016
		Total	Input Levels Used
		Fair Value		Level 1		Level 2		Level 3
Cash and cash equivalents	$	91,950	$	91,950	$	-	$	-
Available for sale securities		156,051		2,440		153,611		-
Foreign currency forward contracts		(911)		-		(911)		-
Commodity futures contracts		2,661		2,661		-		-
Trading securities		63,866		63,866		-		-
Total assets measured at fair value	$	313,617	$	160,917	$	152,700	$	-