Fixed Assets (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Property, Plant and Equipment [Line Items]
Fixed Asset Reclassification		$ 6,800
Depreciation expense related to fixed assets	$ 59,600	52,200	$ 44,200
Impairment charges	11,997	13,047	1,900
Restructuring and Related Cost, Accelerated Depreciation		700
Corsicana Manufacturing Facility Closing [Member] | Impairment Charges [Member]
Property, Plant and Equipment [Line Items]
Impairment charges		1,000
Fixed Assets [Member]
Property, Plant and Equipment [Line Items]
Impairment charges	$ 11,500	5,700	$ 0
Packaging Equipment [Member] | Impairment Charges [Member]
Property, Plant and Equipment [Line Items]
Impairment charges		1,800
Machinery, Equipment and Computer Systems | Impairment Charges [Member]
Property, Plant and Equipment [Line Items]
Impairment charges		$ 2,900