Acquisitions and Purchase Accounting Acquisition and Purchase Accounting - Josper (Details) - USD ($) $ in Thousands		12 Months Ended
	May 10, 2018	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Document Fiscal Year Focus		2018
Goodwill		$ 1,743,175	$ 1,264,810	$ 1,092,722
Payments to Acquire Businesses, Net of Cash Acquired		$ 1,197,984	305,251	210,921
Current Fiscal Year End Date		--12-29
Document Period End Date		Dec. 29, 2018
Josper
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	$ 3,308
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	6,593
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	4,739
Goodwill	27,360
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	5,235
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	(3,325)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	2,169
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	42,584
Business Combination, Contingent Consideration, Liability	3,454
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	46,038
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	3,300
Payments to Acquire Businesses, Net of Cash Acquired	39,300
Business Combination, Provisional Information Adjustment, Working Capital	200
Scenario, Previously Reported | Josper
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	3,308
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
Scenario, Adjustment | Josper
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	14
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	0
Goodwill	220
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	0
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	89
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Net	(391)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	(246)
Business Combination, Contingent Consideration, Liability	0
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	(246)
Commercial Foodservice Equipment Group
Business Acquisition [Line Items]
Goodwill		$ 1,102,067	$ 631,451	$ 542,090
Customer Relationships | Commercial Foodservice Equipment Group | Josper
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
Developed Technology Rights | Commercial Foodservice Equipment Group | Josper
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	5 years
Backlog | Commercial Foodservice Equipment Group | Josper
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
Trade Names | Commercial Foodservice Equipment Group | Josper
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 6,300