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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of deferred tax liability attributable to taxable temporary differences due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

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-Subparagraph (c)

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The amount of inventory recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Acquisitions Purchase Price Allocations (Details) (USD $) In Thousands, unless otherwise specified	Mar. 28, 2015	Dec. 31, 2014	Mar. 29, 2014	Dec. 31, 2013	Apr. 30, 2014
Acquisitions [Line Items]
Goodwill	$ 347,605us-gaap_Goodwill	$ 340,743us-gaap_Goodwill	$ 12,241us-gaap_Goodwill	$ 12,274us-gaap_Goodwill
ATMI [Member]
Acquisitions [Line Items]
Accounts receivable and other current assets					107,962
Inventory					114,527
Property, Plant, and Equipment					122,702
Identifiable intangible assets					297,040
Other Noncurrent Assets					9,717
Current liabilities					(60,416)
Deferred Tax Liabilities and other Noncurrent liabilities					(121,451)
Net assets acquired					470,081
Goodwill					339,309
Total purchase price, net of cash acquired					$ 809,390