XML 51 R40.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Income Taxes (Details 1) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 02, 2016 | Jul. 04, 2015 | Jul. 02, 2016 | Jul. 04, 2015
Effective Income Tax Rate Reconciliation, Percent [Line Items] |  |  |  |
Income tax holiday amount |  |  | $ 10 |
Income tax holiday per share benefit |  |  | $ 0.12 |
Effective income tax rate | 11.90% | 14.60% | 11.80% | 14.90%
United States [Member] |  |  |  |
Effective Income Tax Rate Reconciliation, Percent [Line Items] |  |  |  |
Marginal effective income tax rate |  |  | 37.50% |
Ireland [Member] |  |  |  |
Effective Income Tax Rate Reconciliation, Percent [Line Items] |  |  |  |
Marginal effective income tax rate |  |  | 12.50% |
United Kingdom [Member] |  |  |  |
Effective Income Tax Rate Reconciliation, Percent [Line Items] |  |  |  |
Marginal effective income tax rate |  |  | 20.00% |
Singapore [Member] |  |  |  |
Effective Income Tax Rate Reconciliation, Percent [Line Items] |  |  |  |
Marginal effective income tax rate |  |  | 0.00% |
Statutory tax rate |  |  | 17.00% |

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 11.C) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330215-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 11 -Section C + Details
Name: | us-gaap_IncomeTaxHolidayAggregateDollarAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 11.C) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330215-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 11 -Section C + Details
Name: | us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The amount of tax paid on an additional dollar of income. + References No definition available. + Details
Name: | wat_MarginalEffectiveIncomeTaxRate
Namespace Prefix: | wat_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of statutory tax rate applicable to pretax income (loss). + References No definition available. + Details
Name: | wat_StatutoryTaxRate
Namespace Prefix: | wat_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=wat_UnitedStatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=wat_IrelandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=wat_UnitedKingdomMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=wat_SingaporeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |