Business Acquisition, Enterprise Value

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets (Liabilities)

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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- Definition

Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

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

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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No definition available.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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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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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the disposition of a business not qualifying as a discontinued operation.

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- Definition

The number of businesses acquired by the entity during the period.

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No definition available.

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Business Acquisitions and Dispositions (Details) $ in Millions					12 Months Ended
	Sep. 03, 2020 USD ($)	Oct. 29, 2019 USD ($)	Feb. 05, 2019 USD ($)	Jun. 04, 2018 USD ($)	Dec. 31, 2020 USD ($) acquisition	Dec. 31, 2019 USD ($) acquisition	Dec. 31, 2018 USD ($) acquisition	Aug. 22, 2019	Apr. 18, 2019	Jul. 10, 2018	Jun. 07, 2018
Business Acquisition [Line Items]
Number of businesses acquired \| acquisition					6
Goodwill					$ 14,395.2	$ 10,815.4	$ 9,346.8
Gatan \| AMETEK \| Disposal group, disposed of by sale, not discontinued operations
Business Acquisition [Line Items]
Consideration receivable or received on disposal		$ 925.0
Pretax gain		801.1
Income tax expense in connection with sale		$ 201.2
Imaging Businesses \| Teledyne \| Disposal group, disposed of by sale, not discontinued operations
Business Acquisition [Line Items]
Consideration receivable or received on disposal			$ 225.0
Pretax gain			119.6
Income tax expense in connection with sale			$ 32.2
Vertafore
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Aggregate purchase price	$ 5,398.6
Business acquisition, enterprise value	5,335.0
Purchase price	120.0
Goodwill	3,229.1
Other identifiable intangibles	2,660.0
Amortizable intangible assets	2,540.0
Deferred tax assets (liabilities), net	(489.0)
Deferred tax liabilities	638.0
Vertafore \| Trade names
Business Acquisition [Line Items]
Indefinite-lived intangible assets	120.0
Vertafore \| Customer related intangibles
Business Acquisition [Line Items]
Other identifiable intangibles	$ 2,230.0
Weighted average useful life of finite-lived intangible assets	17 years
Vertafore \| Technology
Business Acquisition [Line Items]
Other identifiable intangibles	$ 310.0
Weighted average useful life of finite-lived intangible assets	8 years
Other acquisitions
Business Acquisition [Line Items]
Number of businesses acquired \| acquisition					5
Aggregate purchase price					$ 612.8
Goodwill					303.9
Other identifiable intangibles					313.0
Other acquisitions \| Customer related intangibles
Business Acquisition [Line Items]
Other identifiable intangibles					$ 283.7
Weighted average useful life of finite-lived intangible assets					16 years
Other acquisitions \| Technology
Business Acquisition [Line Items]
Other identifiable intangibles					$ 29.3
Weighted average useful life of finite-lived intangible assets					5 years
Acquisitions 2019
Business Acquisition [Line Items]
Number of businesses acquired \| acquisition						4
Aggregate purchase price						$ 2,387.6
Goodwill						1,447.0
Other identifiable intangibles						1,181.9
Acquisitions 2019 \| Customer related intangibles
Business Acquisition [Line Items]
Amortizable intangible assets						$ 1,020.0
Weighted average useful life of finite-lived intangible assets						15 years 9 months 18 days
Acquisitions 2019 \| Unpatented technology
Business Acquisition [Line Items]
Amortizable intangible assets						$ 109.3
Weighted average useful life of finite-lived intangible assets						6 years 9 months 18 days
Foundry
Business Acquisition [Line Items]
Percentage of voting interests acquired									100.00%
iPipeline
Business Acquisition [Line Items]
Percentage of voting interests acquired								100.00%
2018 Acquisitions
Business Acquisition [Line Items]
Number of businesses acquired \| acquisition							7
Aggregate purchase price							$ 1,279.0
Goodwill							717.5
Other identifiable intangibles							711.3
2018 Acquisitions \| Customer related intangibles
Business Acquisition [Line Items]
Amortizable intangible assets							$ 635.1
Weighted average useful life of finite-lived intangible assets							19 years
2018 Acquisitions \| Unpatented technology
Business Acquisition [Line Items]
Amortizable intangible assets							$ 48.6
Weighted average useful life of finite-lived intangible assets							7 years
Quote Software, PlainSwift Software, and Smartbid
Business Acquisition [Line Items]
Number of businesses acquired \| acquisition							3
PowerPlan, Inc.
Business Acquisition [Line Items]
Percentage of voting interests acquired				100.00%
Aggregate purchase price				$ 1,111.4
ConceptShare, Inc.
Business Acquisition [Line Items]
Percentage of voting interests acquired											100.00%
BillBlast
Business Acquisition [Line Items]
Percentage of voting interests acquired										100.00%
Avitru
Business Acquisition [Line Items]
Percentage of voting interests acquired							100.00%