Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies

Schedule of non-cancelable purchase commitments and commitments under other agreements

Purchase commitments	Years ended December 31,
(Thousands of dollars)	2015		2016		2017		2018		2019		Thereafter
Hog procurement contracts	$	188,281	$	134,284	$	76,084	$	56,090	$	-	$	-
Grain and feed ingredients	80,989		1,535		220		-		-		-
Grain purchase contracts for resale	370,540		-		-		-		-		-
Fuel supply contract	43,251		-		-		-		-		-
Equipment purchases and facility improvements	34,385		-		-		-		-		-
Construction of new dry bulk vessels	58,842		-		-		-		-		-
Other purchase commitments	10,000		745		34		34		34		66
Total firm purchase commitments	786,288		136,564		76,338		56,124		34		66
Vessel, time and voyage-charters	58,223		20,116		18,250		18,250		18,250		41,440
Contract grower finishing agreements	11,124		10,438		10,184		7,318		2,369		22
Other operating lease payments	25,407		23,342		24,137		23,711		23,640		212,389
Total unrecognized firm commitments	$	881,042	$	190,460	$	128,909	$	105,403	$	44,293	$	253,917