XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Goodwill and Other Intangibles - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands | Mar. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 1,405,196 | $ 1,411,070
Accumulated Amortization | $ 794,049 | $ 781,883
Weighted-Average Amortization Period | 7 years | 7 years
Trademarks [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 9,680 | $ 9,680
Software Development [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 655,433 | 660,273
Accumulated Amortization | $ 495,177 | $ 495,317
Weighted-Average Amortization Period | 5 years | 5 years
Purchased Intangibles [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 612,382 | $ 614,357
Accumulated Amortization | $ 207,620 | $ 197,154
Weighted-Average Amortization Period | 10 years | 10 years
Licensing Agreements [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 14,673 | $ 14,798
Accumulated Amortization | $ 8,698 | $ 8,429
Weighted-Average Amortization Period | 7 years | 7 years
Patents and Other Intangibles [Member] |  |
Finite Lived and Indefinite Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 113,028 | $ 111,962
Accumulated Amortization | $ 82,554 | $ 80,983
Weighted-Average Amortization Period | 8 years | 8 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_IntangibleAssetsGrossExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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: | wat_FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | wat_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_SoftwareDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=wat_PurchasedIntangiblesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=wat_PatentsAndOtherIntangiblesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |