Acquisitions (Tables)
 3 Months Ended
Mar. 29, 2015
Duncan Hines Grocery [Member]  
Business Acquisition [Line Items]  
Summary of the allocation of the total cost of the acquisition to assets acquired
The following table summarizes the allocation of the total cost of the acquisition to the assets acquired and liabilities assumed:

Assets acquired:
 
  Inventories
$
10,188

  Building and land
3,480

  Plant assets
2,302

  Deferred tax assets
1,278

  Goodwill
9,550

       Fair value of assets acquired
26,798

Liabilities assumed
 
  Accrued liabilities
178

Total cost of acquisition
$
26,620
Garden Protein International, Inc. [Member]  
Business Acquisition [Line Items]  
Summary of the allocation of the total cost of the acquisition to assets acquired
The following table summarizes the preliminary allocation of the total cost of the acquisition to the assets acquired and liabilities assumed:

Assets acquired:
 
  Accounts receivable
$
5,226

  Inventories
6,798

  Prepaid expenses and other assets
572

  Property and equipment
13,895

  Tradenames
51,950

  Distributor relationships
3,098

  Private label customer relationships
1,328

  Formulations
7,611

  Goodwill
83,155

       Fair value of assets acquired
173,632

Liabilities assumed
 
  Accounts payable and accrued liabilities
5,007

  Income tax payable
7,878

  Long term deferred tax liability
1,532

  Other long-term liabilities
2,714

Total cost of acquisition
$
156,502