Acquisition Date [Line Items]

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- Definition

Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets Excluding Inventory

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No definition available.

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- Definition

Amount of assets acquired at the acquisition date.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

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

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- Definition

Amount, after allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date, classified as noncurrent.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
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-Publisher FASB
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-Section 50
-Paragraph 1
-Subparagraph (c)
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- Definition

The amount of inventory recognized as of the acquisition date.

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-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
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- Definition

Amount of liabilities assumed at the acquisition date.

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- Definition

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

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- Definition

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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- Definition

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

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- Definition

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

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- Definition

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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions - Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands		3 Months Ended
	Feb. 01, 2019	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Acquisition Date [Line Items]
Goodwill		$ 1,057,331	$ 586,996	$ 591,047
Total purchase price, net of cash and cash equivalents acquired		$ 988,599
Electro Scientific Industries Inc [Member]
Acquisition Date [Line Items]
Current assets (excluding inventory)	$ 209,194
Inventory	92,364
Intangible assets	318,600
Goodwill	471,403
Property, plant and equipment	52,891
Long-term assets	9,633
Total assets acquired	1,154,085
Current liabilities	51,479
Non-current deferred taxes	32,146
Other long-term liabilities	7,159
Total liabilities assumed	90,784
Fair value of assets acquired and liabilities assumed	1,063,301
Less: Cash and cash equivalents acquired	(44,072)
Total purchase price, net of cash and cash equivalents acquired	$ 1,019,229