Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed - Ve.Ma.C (Details) - USD ($) $ in Thousands		3 Months Ended
	Apr. 03, 2018	Mar. 30, 2019	Mar. 31, 2018	Dec. 29, 2018
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 12,397	$ 29,459
Goodwill		1,738,737		$ 1,743,175
VeMaC
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	$ 1,833
Payments to Acquire Businesses, Net of Cash Acquired	10,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	10,722
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	389
Goodwill	4,772
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	6,360
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	12
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt	(1,901)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(8,292)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Net	(1,394)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(212)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	12,289
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	(1,800)
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets	(400)
Food Processing Group
Business Acquisition [Line Items]
Goodwill		$ 215,647		$ 219,054
Food Processing Group | Trade Names | VeMaC
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	2,100
Customer Relationships | Food Processing Group | VeMaC
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 2,600
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years
Backlog | Food Processing Group | VeMaC
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 1,600
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year
Previously Reported | VeMaC
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	$ 1,833
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	10,722
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	389
Goodwill	7,278
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	2,584
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	12
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt	(1,901)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(8,076)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Net	(340)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(212)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	12,289
Scenario, Adjustment | VeMaC
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	0
Goodwill	(2,506)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	3,776
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(216)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Net	(1,054)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	0
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 0