RESTRUCTURING AND OTHER EXPENSE, NET (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Restructuring costs
Restructuring expenses, gross profit		$ 564		$ 858
Restructuring expenses, operating income	$ 108	522	$ 120	1,155
Restructuring charges	108	1,086	120	2,013
Restructuring liability
Restructuring reserve, balance at beginning of period	295	408	496	567
Accruals	108	1,086	120	2,013
Payments, net	(232)	(1,238)	(445)	(2,324)
Restructuring reserve, balance at beginning of period	171	256	171	256
Product Line Reconfiguration
Restructuring costs
Restructuring expenses, gross profit		304		304
Landshire and Better Bakery
Restructuring costs
Integration cost		625		849
Restructuring expenses, gross profit		262		269
Restructuring expenses, operating income		362		579
2013 Initiatives
Restructuring costs
Restructuring expenses, gross profit		(2)		285
Restructuring expenses, operating income	$ 108	160	143	576
2015 Initiatives
Restructuring costs
Restructuring expenses, gross profit		566		573
Restructuring expenses, operating income		$ 362	$ (23)	$ 579