Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 28, 2013	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013	Jan. 30, 2015	Dec. 11, 2013
Debt Disclosure [Abstract]
Debt and Capital Lease Obligations		$ 1,208,623	$ 1,210,380
Debt maturities, next 18 months		442,100
Interest and Debt Expense [Abstract]
Unamortized debt issuance costs		18,900	25,200
Unamortized debt issuance costs, reclass			22,200
Amortization of debt issuance costs		10,100	9,800	$ 9,400
Goodwill and Intangible Asset Impairment [Abstract]
Impairment of intangible assets		0	0	24,493
Workers' Compensation Discount [Abstract]
Workers' compensation liability, undiscounted		12,300	13,200
Workers' compensation liability		$ 11,400	$ 12,200
Workers' compensation discount rate (percent)		2.00%	2.00%
Insurance Loss Reserves [Abstract]
Self insurance reserve		$ 3,200	$ 3,300
Advertising Costs [Abstract]
Advertising costs		$ 3,200	3,400	$ 2,700
Building and building improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life (years)		15 years
Building and building improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life (years)		45 years
Machinery and equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life (years)		10 years
Machinery and equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life (years)		15 years
Furniture and fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life (years)		3 years
Furniture and fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life (years)		10 years
Software and software development costs [Member]
Computer Software [Abstract]
Net capitalized computer software		$ 16,600	15,800
Software and software development costs [Member] | Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life (years)		3 years
Software and software development costs [Member] | Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life (years)		7 years
Trade names | Level 3 [Member] | Nonrecurring fair value [Member]
Goodwill and Intangible Asset Impairment [Abstract]
Impairment of intangible assets	$ 24,500	$ 0	0
ABL Facility due 2017 [Member] | Line of credit [Member]
Debt Disclosure [Abstract]
Debt and Capital Lease Obligations		148,200	134,700
Interest and Debt Expense [Abstract]
Unamortized debt issuance costs		$ 2,300	$ 3,000		$ 1,300	$ 300