XML 16 R40.htm IDEA: XBRL DOCUMENT
v3.20.1

Revenues - Major Products and Services in Reportable Segments (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 1,202,218 | $ 1,287,691
Process And Analytical Instrumentation [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 548,440 | 577,340
Aerospace and Power [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 353,036 | 348,449
Automation and engineered solutions [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 300,742 | 361,902
Electronic Instruments Group [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 774,225 | 806,911
Electronic Instruments Group [Member] | Process And Analytical Instrumentation [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 548,440 | 577,340
Electronic Instruments Group [Member] | Aerospace and Power [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 225,785 | 229,571
Electromechanical Group [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 427,993 | 480,780
Electromechanical Group [Member] | Aerospace and Power [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | 127,251 | 118,878
Electromechanical Group [Member] | Automation and engineered solutions [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Net sales | $ 300,742 | $ 361,902

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=ame_ProcessAndAnalyticalInstrumentationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=ame_AerospaceAndPowerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=ame_AutomationAndEngineeredSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ame_ElectronicInstrumentsGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ame_ElectromechanicalGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |