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Acquisitions and Purchase Accounting Acquisitions and Purchase Accounting - Thurne (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Apr. 07, 2015 | Jan. 02, 2016 | Jan. 03, 2015 | Dec. 28, 2013
Business Acquisition [Line Items] |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 348,625 | $ 219,915 | $ 466,550
Goodwill |  | 983,339 | 808,491 | 687,955
Thurne [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | $ 12,600 |  |  |
Business Combination, Provisional Information Adjustment, Working Capital | 2,700 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets | 3,144 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | 3,334 |  |  |
Goodwill | 2,987 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | 1,601 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities | (1,115) |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net | 9,951 |  |  |
Scenario, Previously Reported [Member] | Thurne [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets | 3,419 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | 3,334 |  |  |
Goodwill | 609 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | 3,625 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities | (1,115) |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net | 9,872 |  |  |
Scenario, Adjustment [Member] | Thurne [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets | (275) |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | 0 |  |  |
Goodwill | 2,378 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | (2,024) |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities | 0 |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net | 79 |  |  |
Food Processing Group [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | $ 134,092 | $ 134,512 | $ 127,872
Trade Names [Member] | Food Processing Group [Member] | Thurne [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | 400 |  |  |
Customer Relationships [Member] | Food Processing Group [Member] | Thurne [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | $ 600 |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 9 years |  |  |
Developed Technology Rights [Member] | Food Processing Group [Member] | Thurne [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | $ 600 |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 7 years |  |  |
Backlog [Member] | Food Processing Group [Member] | Thurne [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | $ 100 |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 3 months |  |  |

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