Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Net income/(loss)	$ (29,138)	$ 10,328	$ 68,937	$ 17,726
Other comprehensive income/(loss), net of tax:
Foreign currency translation	(76,837)	49,112	(59,542)	64,791
Pension adjustments	666	760	1,333	1,519
Net current-period other comprehensive income	(75,724)	49,003	(59,345)	64,339
Total comprehensive income/(loss)	(104,862)	59,331	9,592	82,065
Comprehensive income/(loss) attributable to noncontrolling interests	1,232	(1,418)	2,519	(171)
Comprehensive income/(loss) attributable to Darling	(106,094)	60,749	7,073	82,236
Natural Gas Swap [Member]
Other comprehensive income/(loss), net of tax:
Derivative adjustments	0	0	22	0
Corn Option [Member]
Other comprehensive income/(loss), net of tax:
Derivative adjustments	$ 447	$ (869)	$ (1,158)	$ (1,971)

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