Proforma Results (Details) (ATMI [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
ATMI [Member]
Acquisitions [Line Items]
Business Acquisition, Pro Forma Revenue	$ 1,076,334	$ 1,051,175
Business Acquisition, Pro Forma Net Income (Loss)	$ 68,279	$ 60,324
Business Acquisition, Pro Forma Earnings Per Share, Basic	$ 0.49	$ 0.43
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 0.49	$ 0.43

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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