Condensed Consolidated Statements of Comprehensive Income/ (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Statement of Comprehensive Income [Abstract]
Net income/(loss)	$ 4,560	$ 19,617	$ 15,886	$ (5,777)
Net unrealized loss on derivative instruments, net of income tax	(2,319)	(503)	(1,894)	(1,627)
Foreign currency translation adjustment	7,180	(24,066)	10,463	(17,415)
Total other comprehensive income	4,861	(24,569)	8,569	(19,042)
Total comprehensive income/(loss)	9,421	(4,952)	24,455	(24,819)
Comprehensive income/(loss) attributable to non-controlling interests	590	(64)	754	(27)
Total comprehensive income/(loss) attributable to Snyder’s-Lance, Inc.	$ 8,831	$ (4,888)	$ 23,701	$ (24,792)