Acquisitions and Purchase Accounting Estimated Fair Value of Assets Acquired and Liabilities Assumed - Taylor (Details) - USD ($) $ in Thousands		3 Months Ended
	Jun. 22, 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
Current Fiscal Year End Date		--12-28
Taylor
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 1,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	2,615
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	69,803
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	21,196
Goodwill	388,682
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	583,710
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	361
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(51,523)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	227
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(8,809)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	(1,006,262)
Business Combination, Provisional Information Adjustment, Working Capital	11,500
Commercial Foodservice Equipment Group
Business Acquisition [Line Items]
Goodwill		$ 1,093,825		$ 1,102,067
Commercial Foodservice Equipment Group | Customer Relationships | Taylor
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 270,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	12 years 6 months
Commercial Foodservice Equipment Group | Developed Technology Rights | Taylor
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 15,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Commercial Foodservice Equipment Group | Oven developed technology | Taylor
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 1,700
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years
Commercial Foodservice Equipment Group | Backlog | Taylor
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 7,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 years
Commercial Foodservice Equipment Group | Trade Names | Taylor
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 290,000
Previously Reported | Taylor
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	2,551
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	71,162
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	21,187
Goodwill	491,339
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	484,210
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(48,417)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(8,161)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	1,013,871
Scenario, Adjustment | Taylor
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	64
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	(1,359)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	9
Goodwill	(102,657)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	99,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	361
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(3,106)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	227
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(648)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	$ (7,609)