Software and Other Intangible Assets (Details) - USD ($) $ in Thousands		3 Months Ended		8 Months Ended
		Sep. 12, 2015	Sep. 06, 2014	Sep. 12, 2015	Sep. 06, 2014	Jan. 03, 2015
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 31,242		$ 31,242		$ 31,768
Accumulated Amortization		9,204		9,204		6,993
Net Carrying Amount		22,038		22,038		24,775
Amortization of Intangible Assets		700	$ 500	1,900	$ 1,400
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year		700		700
Finite-Lived Intangible Assets, Amortization Expense, Year Two		3,100		3,100
Finite-Lived Intangible Assets, Amortization Expense, Year Three		2,800		2,800
Finite-Lived Intangible Assets, Amortization Expense, Year Four		2,500		2,500
Finite-Lived Intangible Assets, Amortization Expense, Year Five		2,200		2,200
Customer & supplier relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	20,332		20,332		20,361
Accumulated Amortization	[1]	2,799		2,799		2,007
Net Carrying Amount	[1]	17,533		$ 17,533		18,354
Finite-Lived Intangible Asset, Useful Life				11 years
Software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		5,089		$ 5,089		5,199
Accumulated Amortization		3,279		3,279		3,074
Net Carrying Amount		1,810		$ 1,810		2,125
Finite-Lived Intangible Asset, Useful Life				10 years
Noncompete Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	2,936		$ 2,936		2,973
Accumulated Amortization	[1]	1,562		1,562		1,221
Net Carrying Amount	[1]	1,374		$ 1,374		1,752
Finite-Lived Intangible Asset, Useful Life				5 years
Patents, formulae, and licenses [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	1,769		$ 1,769		1,829
Accumulated Amortization	[1]	490		490		443
Net Carrying Amount	[1]	1,279		$ 1,279		1,386
Finite-Lived Intangible Asset, Useful Life				15 years
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	[1]	1,116		$ 1,116		1,406
Accumulated Amortization	[1]	1,074		1,074		248
Net Carrying Amount	[1]	$ 42		$ 42		$ 1,158
Finite-Lived Intangible Asset, Useful Life				7 years

[1] (a) Numbers include preliminary fair values of assets acquired in the acquisition described in Note 3 that may be adjusted as additional information becomes known.