Accrued Expenses (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015
ACCRUED EXPENSES [Abstract]
Compensation and benefits	$ 79,087	$ 92,863
Utilities and sewage	16,671	18,441
Accrued income, ad valorem, and franchise taxes	13,711	15,615
Reserve for self insurance, litigation, environmental and tax matters (Note 19)	13,643	11,941
Medical claims liability	3,807	5,229
Accrued operating expenses	50,953	55,877
Accrued interest payable	16,060	13,869
Other accrued expense	45,893	42,284
Accrued expenses	$ 239,825	$ 256,119