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Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information
Sales	$ 279.7	$ 204.1
Operating income	16.9	0.3
Restructuring costs	0.9	4.6
Acquisition related costs	1.3	0.1
Hudson
Segment Reporting Information
Sales	43.3
Operating income	4.2
Operating Segments | Energy & Chemicals
Segment Reporting Information
Sales	89.9	39.9
Operating income	2.8	(0.2)
Restructuring costs	0.2	0.4
Operating Segments | Distribution & Storage
Segment Reporting Information
Sales	136.1	113.2
Operating income	18.1	11.6
Restructuring costs	0.2	0.1
Operating Segments | BioMedical
Segment Reporting Information
Sales	54.7	51.0
Operating income	9.5	5.0
Restructuring costs	0.0	2.6
Intersegment eliminations
Segment Reporting Information
Sales	(1.0)	0.0
Corporate
Segment Reporting Information
Operating income	(13.5)	(16.1)
Restructuring costs	$ 0.5	$ 1.5

X

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460

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+ References

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 28
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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
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-Section S99
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-Subparagraph (SX 210.5-03.1)
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