Statement of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Consolidated Statements of Comprehensive Earnings
Earnings (loss) from continuing operations	$ (134,568)	$ (50,564)	$ (3,132)
Earnings (Loss) from discontinued operations, net of income taxes	0	(570)	(19,475)
Earnings (loss)	(134,568)	(51,134)	(22,607)
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax	1,263	0	(129)
Reclassification adjustment for loss included in earnings	(1,568)	0	339
Net changes related to cash flow hedges	(305)	0	210
Currency translation adjustment	6,184	(2,042)	(5,155)
Other comprehensive earnings (loss), net of income taxes	5,879	(2,042)	(4,945)
Comprehensive earnings (loss)	(128,689)	(53,176)	(27,552)
Comprehensive earnings (loss) attributable to non-controlling interests	713	(355)	(9,565)
Comprehensive earnings (loss) attributable to SunOpta Inc	$ (129,402)	$ (52,821)	$ (17,987)