Schedule of Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands		12 Months Ended
	Feb. 23, 2013	Jan. 02, 2016
Finite And Infinite Lived Intangible Assets [Line Items]
Weighted average amortization years	21 years
Alpine Valley Bread Company
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 64,600
Weighted average amortization years		29 years 10 months 24 days
Alpine Valley Bread Company | Trademarks
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 20,900
Weighted average amortization years		40 years
Attribution Method		Straight-line
Alpine Valley Bread Company | Customer Relationships
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 43,700
Weighted average amortization years		25 years
Attribution Method		Sum of year digits
Dave’s Killer Bread
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 176,300
Weighted average amortization years		34 years 1 month 6 days
Dave’s Killer Bread | Trademarks
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 107,700
Weighted average amortization years		40 years
Attribution Method		Straight-line
Dave’s Killer Bread | Customer Relationships
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 68,000
Weighted average amortization years		25 years
Attribution Method		Sum of year digits
Dave’s Killer Bread | Non-Compete Agreements
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 600
Weighted average amortization years		2 years
Attribution Method		Straight-line
Sara Lee and Earthgrains acquisition of trademark licenses
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 117,290
Sara Lee and Earthgrains acquisition of trademark licenses | Trademarks
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 79,500
Attribution Method		Indefinite life
Sara Lee and Earthgrains acquisition of trademark licenses | Customer Relationships
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 12,000
Weighted average amortization years		21 years
Attribution Method		Sum of year digits
Sara Lee and Earthgrains acquisition of trademark licenses | Distribution Rights
Finite And Infinite Lived Intangible Assets [Line Items]
Acquired intangible assets subject to amortization		$ 25,790