Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Follett Acquisition (Details) - USD ($) $ in Thousands		9 Months Ended
	May 31, 2016	Sep. 30, 2017	Oct. 01, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 159,458	$ 210,921
Goodwill		1,158,654		$ 1,092,722
Follett [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	$ 25,508
Payments to Acquire Businesses, Net of Cash Acquired	206,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	39,353
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	28,466
Goodwill	40,564
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	124,260
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	1,528
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(22,580)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(4,680)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	232,419
Business Combination, Provisional Information Adjustment, Working Capital	700
Commercial Foodservice Equipment Group [Member]
Business Acquisition [Line Items]
Goodwill		$ 561,717		$ 542,090
Customer Relationships [Member] | Commercial Foodservice Equipment Group [Member] | Follett [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 55,200
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	8 years
Backlog [Member] | Commercial Foodservice Equipment Group [Member] | Follett [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 1,300
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 months
Trade Names [Member] | Commercial Foodservice Equipment Group [Member] | Follett [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	$ 67,800
Scenario, Adjustment [Member] | Follett [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	2,888
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	(2,249)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	8,598
Goodwill	(35,656)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	41,810
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	170
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(10,801)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(4,064)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	696
Scenario, Previously Reported [Member] | Follett [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents	22,620
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	41,602
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	19,868
Goodwill	76,220
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	82,450
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	1,358
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	(11,779)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other	(616)
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 231,723