Acquisitions - Narrative (Details) - USD ($) $ in Millions			3 Months Ended			6 Months Ended
	Oct. 01, 2015	Jul. 31, 2015	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2016	Jun. 30, 2015
Business Acquisition [Line Items]
Cash payments to acquire businesses						$ 3.2	$ 0.0
A&B Process Systems
Business Acquisition [Line Items]
Consideration paid to acquire business	$ 103.0
Working capital adjustment	0.1
Purchase accounting adjustment, goodwill					$ 1.8
A&B Process Systems | Earnout
Business Acquisition [Line Items]
Contingent consideration	$ 3.0
A&B Process Systems | Customer relationships
Business Acquisition [Line Items]
Purchase accounting adjustment, intangible assets					0.9
Intangible assets, useful life	8 years
A&B Process Systems | Trademark
Business Acquisition [Line Items]
Purchase accounting adjustment, intangible assets					0.4
Intangible assets, useful life	14 years
A&B Process Systems | Technological know-how - skidded systems
Business Acquisition [Line Items]
Purchase accounting adjustment, intangible assets					0.2
Intangible assets, useful life	6 years
A&B Process Systems | Backlog
Business Acquisition [Line Items]
Purchase accounting adjustment, intangible assets					0.1
Intangible assets, useful life	6 months
A&B Process Systems | Non-compete agreements
Business Acquisition [Line Items]
Purchase accounting adjustment, intangible assets					$ 0.1
Intangible assets, useful life	5 years
A&B Process Systems | Technological know-how - tanks and vessels
Business Acquisition [Line Items]
Intangible assets, useful life	9 years
Stork Food Dairy Systems BV
Business Acquisition [Line Items]
Purchase accounting adjustment, goodwill				$ 3.0
Cash payments to acquire businesses		$ 50.7
Cash acquired from acquisition		$ 1.1
Purchase accounting adjustment, other liabilities				1.1
Purchase accounting adjustment, deferred tax assets				0.5
Purchase accounting adjustment, deferred tax liabilities				(0.6)
Stork Food Dairy Systems BV | Customer relationships
Business Acquisition [Line Items]
Purchase accounting adjustment, intangible assets				(2.0)
Intangible assets, useful life		15 years
Stork Food Dairy Systems BV | Tradename
Business Acquisition [Line Items]
Intangible assets, useful life		17 months
Stork Food Dairy Systems BV | Patents
Business Acquisition [Line Items]
Purchase accounting adjustment, intangible assets				$ (1.0)
Intangible assets, useful life		7 years
Intangible Assets, Amortization Period | Stork Food Dairy Systems BV | Customer relationships
Business Acquisition [Line Items]
Intangible assets, useful life						8 years
Scenario, Forecast | A&B Process Systems
Business Acquisition [Line Items]
Settlement of contingent consideration			$ 3.0