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Goodwill (Tables)
3 Months Ended
Apr. 01, 2017
Intangible Asset Disclosure Text Block [Abstract]  
Schedule of Goodwill
Changes in the carrying amount of goodwill (in thousands):
 
Feed Ingredients
Food Ingredients
Fuel Ingredients
Total
Balance at December 31, 2016
 
 
 
 
Goodwill
$
813,621

$
317,008

$
111,178

$
1,241,807

Accumulated impairment losses
(15,914
)


(15,914
)
 
797,707

317,008

111,178

1,225,893

Goodwill acquired during year




Foreign currency translation
3,695

2,424

1,259

7,378

Balance at April 1, 2017
 

 

 
 

Goodwill
817,316

319,432

112,437

1,249,185

Accumulated impairment losses
(15,914
)


(15,914
)
 
$
801,402

$
319,432

$
112,437

$
1,233,271