RESTRUCTURING EXPENSES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Restructuring costs
Restructuring expenses, gross profit		$ 1,502		$ 2,360
Restructuring expenses, operating income		265	$ 120	1,420
Restructuring charges		1,767	120	3,780
Restructuring liability
Restructuring reserve, balance at beginning of period	$ 171	256	496	567
Accruals		1,767	120	3,780
Payments, net	(106)	(1,895)	(551)	(4,219)
Restructuring reserve, balance at beginning of period	$ 65	128	65	128
Product Line Reconfiguration
Restructuring costs
Restructuring expenses, gross profit		887		1,191
Landshire and Better Bakery
Restructuring costs
Integration cost		859		1,707
Restructuring expenses, gross profit		606		875
Restructuring expenses, operating income		253		832
2013 Initiatives
Restructuring costs
Restructuring expenses, gross profit		9		294
Restructuring expenses, operating income		11	143	587
Restructuring charges			108
2015 Initiatives
Restructuring costs
Restructuring expenses, gross profit		1,493		2,066
Restructuring expenses, operating income		$ 254	$ (23)	$ 833