Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Sveba Dahlen Acquisition - USD ($) $ in Thousands		9 Months Ended
	Jun. 30, 2017	Sep. 30, 2017	Oct. 01, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue		$ 1,803,636	$ 1,879,104
Payments to Acquire Businesses, Net of Cash Acquired		159,458	$ 210,921
Goodwill		1,158,654		$ 1,092,722
Sveba Dahlen [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Net	$ 8,450
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	4,569
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	22,327
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	8,796
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	7,500
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets	1,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	34,175
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	10,837
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	(140)
Payments to Acquire Businesses, Net of Cash Acquired	81,400
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	83
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	1,159
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt	(14)
Goodwill	34,270
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	85,938
Scenario, Previously Reported [Member] | Sveba Dahlen [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Net	7,751
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	4,569
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	22,686
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	9,128
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	34,175
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	11,782
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	42
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	1,170
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt	0
Goodwill	33,785
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	85,938
Scenario, Adjustment [Member] | Sveba Dahlen [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Net	699
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	(359)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	(332)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(945)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	(140)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(125)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	(11)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt	(14)
Goodwill	485
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	0
Commercial Foodservice Equipment Group [Member]
Business Acquisition [Line Items]
Goodwill		$ 561,717		$ 542,090
Commercial Foodservice Equipment Group [Member] | Trade Names [Member] | Sveba Dahlen [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	20,700
Backlog [Member] | Sveba Dahlen [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 300
Backlog [Member] | Commercial Foodservice Equipment Group [Member] | Sveba Dahlen [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 months
Customer Relationships [Member] | Sveba Dahlen [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 12,000
Customer Relationships [Member] | Commercial Foodservice Equipment Group [Member] | Sveba Dahlen [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Developed Technology Rights [Member] | Sveba Dahlen [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 1,200
Developed Technology Rights [Member] | Commercial Foodservice Equipment Group [Member] | Sveba Dahlen [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years