Acquisitions - Narrative (Details) € in Millions, $ in Millions						3 Months Ended		12 Months Ended
	Oct. 01, 2015 USD ($)	Jul. 31, 2015 USD ($)	Jul. 31, 2015 EUR (€)	Dec. 01, 2014 USD ($)	Jul. 01, 2014 USD ($)	Dec. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Business Acquisition [Line Items]
Acquisition, net of cash acquired								$ 150.9	$ 91.3	$ 0.0
Stork Food Dairy Systems BV
Business Acquisition [Line Items]
Acquisition, net of cash acquired		$ 50.7	€ 46.2
Cash acquired		1.1	€ 1.0
Purchase accounting adjustment, deferred tax liabilities								(2.6)
Purchase accounting adjustment, goodwill								7.4
Stork Food Dairy Systems BV | Other Expense
Business Acquisition [Line Items]
Acquisition-related costs		$ 1.9
Stork Food Dairy Systems BV | Customer relationships
Business Acquisition [Line Items]
Intangible assets, useful lives		15 years	15 years
Purchase accounting adjustment, intangible assets								2.0
Stork Food Dairy Systems BV | Tradename
Business Acquisition [Line Items]
Intangible assets, useful lives		17 months	17 months
Purchase accounting adjustment, intangible assets								(11.9)
Stork Food Dairy Systems BV | Patents
Business Acquisition [Line Items]
Intangible assets, useful lives		7 years	7 years
A&B Process Systems
Business Acquisition [Line Items]
Consideration transferred	$ 102.9
Contingent consideration	3.0
A&B Process Systems | Earnout
Business Acquisition [Line Items]
Contingent consideration	3.0
A&B Process Systems | Other Expense
Business Acquisition [Line Items]
Acquisition-related costs	$ 0.4
A&B Process Systems | Customer relationships
Business Acquisition [Line Items]
Intangible assets, useful lives	8 years
A&B Process Systems | Tradename
Business Acquisition [Line Items]
Intangible assets, useful lives	14 years
A&B Process Systems | Technological know-how - skidded systems
Business Acquisition [Line Items]
Intangible assets, useful lives	6 years
A&B Process Systems | Technological know-how - tanks and vessels
Business Acquisition [Line Items]
Intangible assets, useful lives	9 years
A&B Process Systems | Noncompete agreement
Business Acquisition [Line Items]
Intangible assets, useful lives	5 years
A&B Process Systems | Backlog & other assets
Business Acquisition [Line Items]
Intangible assets, useful lives	6 months
Wolf-Tec, Inc.
Business Acquisition [Line Items]
Consideration transferred				$ 53.7
Cash acquired				0.2
Goodwill acquired, tax deductible				13.4
Purchase accounting adjustment, cash						$ (0.2)		(0.2)
Purchase accounting adjustment, other liabilities						0.4
Purchase accounting adjustment, goodwill related to change in cash						0.9
Purchase accounting adjustment, deferred tax assets								0.9
Purchase accounting adjustment, goodwill								(3.3)
Wolf-Tec, Inc. | Other Expense
Business Acquisition [Line Items]
Acquisition-related costs				$ 0.7
Wolf-Tec, Inc. | Customer relationships
Business Acquisition [Line Items]
Intangible assets, useful lives				15 years
Purchase accounting adjustment, intangible assets						$ (0.3)		2.4
Wolf-Tec, Inc. | Intellectual property
Business Acquisition [Line Items]
Intangible assets, useful lives				10 years
Purchase accounting adjustment, intangible assets								(3.4)
Wolf-Tec, Inc. | Tradename
Business Acquisition [Line Items]
Intangible assets, useful lives				10 years
Purchase accounting adjustment, intangible assets								1.5
Wolf-Tec, Inc. | Noncompete agreement
Business Acquisition [Line Items]
Intangible assets, useful lives				5 years
Purchase accounting adjustment, intangible assets								0.8
Purchase accounting adjustment, other liabilities								$ (0.7)
Wolf-Tec, Inc. | Backlog & other assets
Business Acquisition [Line Items]
Intangible assets, useful lives				4 months
ICS Solutions
Business Acquisition [Line Items]
Consideration transferred					$ 35.7
Intangible assets, useful lives					12 years
Cash acquired					$ 10.0
Goodwill acquired, tax deductible					$ 1.1
Acquisition, percentage of voting interests acquired					100.00%
ICS Solutions | Other Expense
Business Acquisition [Line Items]
Acquisition-related costs					$ 0.9
Formcook
Business Acquisition [Line Items]
Consideration transferred							$ 2.0