Acquisitions and Purchase Accounting Estimated Fair Value of Assets Acquired and Liabilities Assumed - Josper (Details) - USD ($) $ in Thousands		6 Months Ended
	May 10, 2018	Jun. 30, 2018	Jul. 01, 2017	Dec. 30, 2017
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 1,144,541	$ 119,262
Goodwill		1,824,755		$ 1,264,810
Josper [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	$ 3,308
Payments to Acquire Businesses, Net of Cash Acquired	39,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	6,579
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	4,739
Goodwill	27,140
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	(13,136)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt	217
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(5,146)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	(1,608)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Net	(2,934)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	2,169
Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Initial Consideration, Net	42,830
Business Combination, Contingent Consideration, Liability	3,454
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	46,284
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	2,800
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities	100
Commercial Foodservice Equipment Group [Member]
Business Acquisition [Line Items]
Goodwill		$ 1,179,697		$ 631,451
Commercial Foodservice Equipment Group [Member] | Trade Names [Member] | Josper [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	(6,300)
Backlog [Member] | Commercial Foodservice Equipment Group [Member] | Josper [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ (300)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 months
Developed Technology Rights [Member] | Commercial Foodservice Equipment Group [Member] | Josper [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ (200)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Customer Relationships [Member] | Commercial Foodservice Equipment Group [Member] | Josper [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ (6,400)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years