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