Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
	Oct. 21, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 07, 2015
Intangible asset balances by major asset class
Business acquisitions, net of cash acquired				$ 5.3	$ 0.0	$ 12.2
Goodwill		$ 1,152.3	$ 1,198.1	1,152.3	1,198.1	1,218.6
Amortization expense		34.4	$ 35.1	34.4	$ 35.1	$ 35.3
Future amortization expense, 2016		34.0		34.0
Future amortization expense, 2017		34.0		34.0
Future amortization expense, 2018		34.0		34.0
Future amortization expense, 2019		34.0		34.0
Future amortization expense, 2020		$ 34.0		$ 34.0
Welbilt Thailand
Intangible asset balances by major asset class
Outstanding shares acquired (as a percent)	50.00%
Business acquisitions, net of cash acquired	$ 5.3
Purchase price allocated to intangible assets	4.2
Goodwill	1.4
Trademarks and tradenames | Welbilt Thailand
Intangible asset balances by major asset class
Intangible assets acquired not subject to amortization	4.0
Customer relationships | Welbilt Thailand
Intangible asset balances by major asset class
Intangible assets acquired subject to amortization	$ 0.2
Finite-lived intangible asset, useful life	18 years
Kysor Panel Systems
Intangible asset balances by major asset class
Intangible assets acquired not subject to amortization							$ 7.6
Goodwill							27.9
Kysor Panel Systems | Trademarks and tradenames
Intangible asset balances by major asset class
Purchase price allocated to intangible assets							$ 24.4