$WAT
WATERS CORP /DE/ Stock $wat

$wat Overview Financials Valuation SEC Filings Company Website

2013 Form 10-K Financial Statement

#000119312514072515 Filed on February 27, 2014

Income Statement

Concept	2013	2012 Q4	2012 Q3
Revenue	$1.904B	$521.8M	$450.0M
YoY Change	3.29%	0.07%	0.52%
Cost Of Revenue	$783.5M	$208.4M	$182.7M
YoY Change	6.21%	2.02%	3.75%
Gross Profit	$1.121B	$313.4M	$267.3M
YoY Change	1.33%	-1.19%	-1.57%
Gross Profit Margin	58.86%	60.07%	59.4%
Selling, General & Admin	$493.0M	$122.1M	$115.3M
YoY Change	3.29%	-3.24%	-8.07%
% of Gross Profit	43.98%	38.97%	43.15%
Research & Development	$100.5M	$24.96M	$23.76M
YoY Change	4.72%	5.28%	3.22%
% of Gross Profit	8.97%	7.96%	8.89%
Depreciation & Amortization	$38.17M	$17.60M	$20.60M
YoY Change	1.99%	5.39%	19.08%
% of Gross Profit	3.41%	5.62%	7.71%
Operating Expenses	$593.5M	$147.1M	$139.1M
YoY Change	3.53%	-1.89%	-6.32%
Operating Profit	$517.3M	$159.4M	$121.7M
YoY Change	1.14%	-3.32%	0.98%
Interest Expense	$30.05M	$7.597M	$7.107M
YoY Change	7.04%	13.78%	40.68%
% of Operating Profit	5.81%	4.77%	5.84%
Other Income/Expense, Net	-$1.600M
YoY Change
Pretax Income	$490.1M	$153.0M	$115.8M
YoY Change	0.51%	-3.56%	-0.43%
Income Tax	$40.10M	-$22.91M	$16.71M
% Of Pretax Income	8.18%	-14.97%	14.43%
Net Earnings	$450.0M	$175.9M	$99.10M
YoY Change	-2.47%	73.64%	-1.0%
Net Earnings / Revenue	23.63%	33.71%	22.02%
Basic Earnings Per Share	$5.27
Diluted Earnings Per Share	$5.20	$2.001M	$1.120M
COMMON SHARES
Basic Shares Outstanding	85.43M shares	86.71M shares	87.41M shares
Diluted Shares Outstanding	86.55M shares	87.85M shares	88.45M shares

Balance Sheet

Concept	2013	2012 Q4	2012 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.804B	$1.539B	$1.448B
YoY Change	17.2%	28.87%	29.13%
Cash & Equivalents	$440.8M	$481.0M	$356.3M
Short-Term Investments	$1.363B	$1.058B	$1.092B
Other Short-Term Assets	$78.80M	$84.58M	$79.69M
YoY Change	-6.86%	4.67%	14.14%
Inventory	$242.8M	$229.6M	$247.0M
Prepaid Expenses
Receivables	$431.0M	$404.6M	$362.4M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$2.556B	$2.258B	$2.137B
YoY Change	13.23%	16.25%	18.75%
LONG-TERM ASSETS
Property, Plant & Equipment	$324.9M	$273.3M	$261.1M
YoY Change	18.88%	15.26%	19.43%
Goodwill		$316.8M	$316.3M
YoY Change		6.65%	7.57%
Intangibles		$220.1M	$212.9M
YoY Change		14.66%	9.12%
Long-Term Investments
YoY Change
Other Assets	$112.0M	$100.2M	$69.39M
YoY Change	11.78%	82.21%	8.22%
Total Long-Term Assets	$1.026B	$910.4M	$859.6M
YoY Change	12.72%	16.55%	11.37%
TOTAL ASSETS
Total Short-Term Assets	$2.556B	$2.258B	$2.137B
Total Long-Term Assets	$1.026B	$910.4M	$859.6M
Total Assets	$3.583B	$3.168B	$2.997B
YoY Change	13.08%	16.34%	16.54%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$65.00M	$54.72M	$60.26M
YoY Change	18.83%	-1.07%	-11.34%
Accrued Expenses	$56.30M	$44.30M	$39.80M
YoY Change	27.09%	-14.31%	-10.76%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$133.3M	$132.8M	$447.7M
YoY Change	0.38%	-51.1%	228.71%
Total Short-Term Liabilities	$487.5M	$504.2M	$767.6M
YoY Change	-3.31%	-16.22%	64.26%
LONG-TERM LIABILITIES
Long-Term Debt	$1.190B	$1.045B	$700.0M
YoY Change	13.88%	49.29%	0.0%
Other Long-Term Liabilities	$116.5M	$25.55M	$33.16M
YoY Change	-8.12%	-12.52%	32.62%
Total Long-Term Liabilities	$1.307B	$1.197B	$899.7M
YoY Change	11.5%	33.72%	2.35%
TOTAL LIABILITIES
Total Short-Term Liabilities	$487.5M	$504.2M	$767.6M
Total Long-Term Liabilities	$1.307B	$1.197B	$899.7M
Total Liabilities	$1.820B	$1.701B	$1.667B
YoY Change	6.98%	13.64%	23.84%
SHAREHOLDERS EQUITY
Retained Earnings		$3.513B	$3.337B
YoY Change		15.12%	18.62%
Common Stock		$1.157B	$1.138B
YoY Change		6.01%	9.08%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$3.176B	$3.116B
YoY Change		10.27%	16.98%
Treasury Stock Shares		67.31M shares	66.59M shares
Shareholders Equity	$1.763B	$1.467B	$1.330B
YoY Change
Total Liabilities & Shareholders Equity	$3.583B	$3.168B	$2.997B
YoY Change	13.08%	16.34%	16.54%

Cashflow Statement

Concept	2013	2012 Q4	2012 Q3
OPERATING ACTIVITIES
Net Income	$450.0M	$175.9M	$99.10M
YoY Change	-2.47%	73.64%	-1.0%
Depreciation, Depletion And Amortization	$38.17M	$17.60M	$20.60M
YoY Change	1.99%	5.39%	19.08%
Cash From Operating Activities	$484.9M	$131.7M	$101.3M
YoY Change	7.92%	3.46%	4.22%
INVESTING ACTIVITIES
Capital Expenditures	-$118.5M	-$31.70M	-$26.10M
YoY Change	13.18%	98.13%	41.08%
Acquisitions	$41.40M
YoY Change	33.46%
Other Investing Activities	-$346.3M	$34.20M	-$82.00M
YoY Change	80.74%	-843.48%	137.68%
Cash From Investing Activities	-$464.7M	$2.500M	-$108.2M
YoY Change	56.79%	-112.14%	104.15%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$301.6M
YoY Change	1.93%
Debt Paid & Issued, Net	$886.6M
YoY Change	2661.53%
Cash From Financing Activities	-$64.59M	-13.10M	-16.90M
YoY Change	-2.93%	-1.5%	-750.0%
NET CHANGE
Cash From Operating Activities	$484.9M	131.7M	101.3M
Cash From Investing Activities	-$464.7M	2.500M	-108.2M
Cash From Financing Activities	-$64.59M	-13.10M	-16.90M
Net Change In Cash	-$44.44M	121.1M	-23.80M
YoY Change	-151.47%	29.66%	-150.85%
FREE CASH FLOW
Cash From Operating Activities	$484.9M	$131.7M	$101.3M
Capital Expenditures	-$118.5M	-$31.70M	-$26.10M
Free Cash Flow	$603.4M	$163.4M	$127.4M
YoY Change	8.92%	14.03%	10.11%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2012Q4	us-gaap	Common Stock Value CommonStockValue	1537000	USD
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CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	-27000	USD
CY2012Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	90116000	USD
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CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2013Q2	dei	Entity Public Float EntityPublicFloat	8523967000	USD
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
CY2012	wat	Maximum Percentage Of Net Sales To Individual Customer MaximumPercentageOfNetSalesToIndividualCustomer	0.02	pure
CY2011	wat	Maximum Percentage Of Net Sales To Individual Customer MaximumPercentageOfNetSalesToIndividualCustomer	0.02	pure
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
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CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	54724000	USD
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	wat	Percent Of Net Sales To Pharmaceutical Industry PercentOfNetSalesToPharmaceuticalIndustry	0.52	pure
CY2012	wat	Percent Of Net Sales To Pharmaceutical Industry PercentOfNetSalesToPharmaceuticalIndustry	0.53	pure
CY2013	wat	Maximum Percentage Of Net Sales To Individual Customer MaximumPercentageOfNetSalesToIndividualCustomer	0.02	pure
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	1539000000	USD
CY2013Q4	us-gaap	Short Term Investments ShortTermInvestments	1362874000	USD
CY2013	us-gaap	Sales Revenue Net SalesRevenueNet	1904218000	USD
CY2012	us-gaap	Cost Of Services CostOfServices	235954000	USD
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90833000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92325000	shares
CY2011	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	408708000	USD
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CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	41395000	USD
CY2012	us-gaap	Depreciation Depreciation	37422000	USD
CY2012Q4	us-gaap	Short Term Investments ShortTermInvestments	1057990000	USD
CY2012	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	34000000	USD
CY2011	us-gaap	Depreciation Depreciation	36531000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	29856000	USD
CY2013	us-gaap	Cost Of Goods Sold CostOfGoodsSold	526721000	USD
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	153696000	shares
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	1676000	USD
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	86390000	shares
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	67306000	shares
CY2013	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1312503000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	6592000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax	20511000	USD
CY2012	us-gaap	Cost Of Goods Sold CostOfGoodsSold	501660000	USD
CY2012	us-gaap	Sales Revenue Net SalesRevenueNet	1843641000	USD
CY2012	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	563134000	USD
CY2012	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1280507000	USD
CY2012	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	13829000	USD
CY2011	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	1322136000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-647000	USD
CY2013	us-gaap	Cost Of Services CostOfServices	256735000	USD
CY2013	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	783456000	USD
CY2013	us-gaap	Gross Profit GrossProfit	1120762000	USD
CY2013	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	492965000	USD
CY2013	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	100536000	USD
CY2013	us-gaap	Interest Expense InterestExpense	30050000	USD
CY2013	us-gaap	Investment Income Interest InvestmentIncomeInterest	4387000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	490105000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	40102000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	450003000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.20
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86546000	shares
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.19
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.25
CY2012	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	461443000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	26182000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	487625000	USD
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	4208000	USD
CY2012	us-gaap	Interest Expense InterestExpense	28073000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	511490000	USD
CY2012	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	477270000	USD
CY2012	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	737614000	USD
CY2011	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	529048000	USD
CY2011	us-gaap	Sales Revenue Net SalesRevenueNet	1851184000	USD
CY2011	us-gaap	Cost Of Goods Sold CostOfGoodsSold	506073000	USD
CY2011	us-gaap	Cost Of Services CostOfServices	224420000	USD
CY2011	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	730493000	USD
CY2011	us-gaap	Gross Profit GrossProfit	1120691000	USD
CY2011	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	490011000	USD
CY2011	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	92347000	USD
CY2011	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	9733000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	528600000	USD
CY2011	us-gaap	Interest Expense InterestExpense	21971000	USD
CY2011	us-gaap	Investment Income Interest InvestmentIncomeInterest	2623000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	509252000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	76284000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	432968000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	4.77
CY2011	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	4.69
CY2013	us-gaap	Gain Loss On Investments GainLossOnInvestments	-1575000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	1709000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	639000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1070000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-995000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-348000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	966000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	339000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	627000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	134000	USD
CY2012	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	497000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	39836000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	10930000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	7136000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-1473000	USD
CY2011	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	264000	shares
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Writedown Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForWritedownOfSecuritiesBeforeTax	1575000	USD
CY2011	wat	Additions To Allowance For Doubtful Accounts And Sales Returns AdditionsToAllowanceForDoubtfulAccountsAndSalesReturns	9932000	USD
CY2011	wat	Deductions From Allowance For Doubtful Accounts And Sales Returns DeductionsFromAllowanceForDoubtfulAccountsAndSalesReturns	-7544000	USD
CY2012Q4	wat	Allowances For Doubtful Accounts And Sales Returns AllowancesForDoubtfulAccountsAndSalesReturns	8240000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	12528000	USD
CY2011	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	8707000	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	41530000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	35233000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	11389000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-5033000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	11467000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-28127000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-7684000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	484876000	USD
CY2013	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	118450000	USD
CY2013	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	2972116000	USD
CY2012	wat	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax1 OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociForSaleOfSecuritiesBeforeTax1	-968000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments And Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax	-1604000	USD
CY2011	wat	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax1 OtherComprehensiveIncomeLossReclassificationAdjustmentFromAociForSaleOfSecuritiesBeforeTax1	2570000	USD
CY2013	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3656000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	31708000	USD
CY2013	us-gaap	Depreciation Depreciation	38165000	USD
CY2013	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	2667232000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-464729000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1032209000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	886644000	USD
CY2013	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2039000	USD
CY2013	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	68958000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	301580000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	15842000	USD
CY2013	us-gaap	Payments For Proceeds From Hedge Financing Activities PaymentsForProceedsFromHedgeFinancingActivities	-8666000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-64588000	USD
CY2013	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	4202000	USD
CY2012	us-gaap	Payments For Proceeds From Hedge Financing Activities PaymentsForProceedsFromHedgeFinancingActivities	-4186000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-66535000	USD
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	10694000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-296394000	USD
CY2012	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1815988000	USD
CY2012	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	104749000	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	31016000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	563000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-15353000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	449280000	USD
CY2012	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2256000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	29183000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	31409000	USD
CY2012	us-gaap	Increase Decrease In Deferred Revenue And Customer Advances And Deposits IncreaseDecreaseInDeferredRevenueAndCustomerAdvancesAndDeposits	11005000	USD
CY2012	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	1655359000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	10568000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	27579000	USD
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4309000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	12071000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-11845000	USD
CY2011	us-gaap	Increase Decrease In Deferred Revenue And Customer Advances And Deposits IncreaseDecreaseInDeferredRevenueAndCustomerAdvancesAndDeposits	2630000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	11211000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	497374000	USD
CY2011	us-gaap	Payments For Proceeds From Productive Assets PaymentsForProceedsFromProductiveAssets	85436000	USD
CY2013Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1494823000	USD
CY2011	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1749161000	USD
CY2011	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	1489721000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-355976000	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	598528000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	373751000	USD
CY2011	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	4523000	USD
CY2011	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	60153000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	370835000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	32239000	USD
CY2011	us-gaap	Payments For Proceeds From Hedge Financing Activities PaymentsForProceedsFromHedgeFinancingActivities	2233000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-60422000	USD
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-5484000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	75492000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	55928000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	29563000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	59446000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	28305000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	50313000	USD
CY2011	us-gaap	Interest Paid Net InterestPaidNet	19658000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	308498000	USD
CY2013	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	169000	USD
CY2012	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-52219000	USD
CY2011	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-5824000	USD
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	1068797000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	1226578000	USD
CY2010Q4	us-gaap	Shares Issued SharesIssued	151054000	shares
CY2013Q4	us-gaap	Shares Issued SharesIssued	155246000	shares
CY2011Q4	us-gaap	Shares Issued SharesIssued	152757000	shares
CY2012Q4	us-gaap	Shares Issued SharesIssued	153696000	shares
CY2013	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	58000	shares
CY2013	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	211000	shares
CY2012	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	66000	shares
CY2012	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	243000	shares
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	630000	shares
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1281000	shares
CY2011	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1381000	shares
CY2011	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	4150000	USD
CY2012	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	4661000	USD
CY2013	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	4817000	USD
CY2011	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	56003000	USD
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	24208000	USD
CY2013	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	64141000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	32239000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	10568000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	15842000	USD
CY2011	wat	Adjustments To Additional Paid In Capital Increase In Valuation Allowance AdjustmentsToAdditionalPaidInCapitalIncreaseInValuationAllowance	-176000	USD
CY2012	wat	Adjustments To Additional Paid In Capital Increase In Valuation Allowance AdjustmentsToAdditionalPaidInCapitalIncreaseInValuationAllowance	2354000	USD
CY2013	wat	Adjustments To Additional Paid In Capital Increase In Valuation Allowance AdjustmentsToAdditionalPaidInCapitalIncreaseInValuationAllowance	892000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	23668000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	17953000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	11475000	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	7276000	USD
CY2013Q4	wat	Future Minimum Rents Payable In Five Years And Thereafter FutureMinimumRentsPayableInFiveYearsAndThereafter	18060000	USD
CY2013Q4	wat	Future Minimum License Fees Payable FutureMinimumLicenseFeesPayable	Future minimum license fees payable under existing license agreements as of December 31, 2013 are immaterial for the years ended December 31, 2014 and thereafter.
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	64000000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	31000000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	27.37
CY2011	us-gaap	Foreign Currency Transactions Description ForeignCurrencyTransactionsDescription	Gains and losses from foreign currency transactions are included in net income in the consolidated statements of operations and were not material for the years presented.
CY2013	us-gaap	Nature Of Operations NatureOfOperations	<p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Times New Roman;font-size:10pt;margin-left:0px;">Waters Corporation (“Waters</font><font style="font-family:Times New Roman;font-size:10pt;">®</font><font style="font-family:Times New Roman;font-size:10pt;">” or the “Company”) is</font><font style="font-family:Times New Roman;font-size:10pt;"> an ana</font><font style="font-family:Times New Roman;font-size:10pt;">lytical instrument manufacturer that</font><font style="font-family:Times New Roman;font-size:10pt;"> primarily designs, manufactures, sells and services, through its Waters Division, high performance liquid chromatography (“HPLC”), ultra performance liquid chromatography (“UPLC</font><font style="font-family:Times New Roman;font-size:10pt;">®</font><font style="font-family:Times New Roman;font-size:10pt;">” and together with HPLC, referred to as “LC”) and mass spectrometry (“MS”) </font><font style="font-family:Times New Roman;font-size:10pt;">technology</font><font style="font-family:Times New Roman;font-size:10pt;"> systems and support products, including chromatography columns, other consumable products and comprehensive post-warranty service plans. These systems are complementary products that </font><font style="font-family:Times New Roman;font-size:10pt;">are frequently employed together (“LC-MS”) and sold as </font><font style="font-family:Times New Roman;font-size:10pt;">integrated </font><font style="font-family:Times New Roman;font-size:10pt;">instrument systems using a common software platform</font><font style="font-family:Times New Roman;font-size:10pt;">. LC is a standard technique and is utilized in a broad range of industries to detect, identify, monitor and measure the chemical, physical and biological composition of materials, and to purify a full range of compounds. MS instruments are used in drug discovery and development, including clinical trial testing, the analysis of proteins in disease process</font><font style="font-family:Times New Roman;font-size:10pt;">es (known as “proteomics”), nutritional</font><font style="font-family:Times New Roman;font-size:10pt;"> safety analysis and environmental testing. LC-MS instruments </font><font style="font-family:Times New Roman;font-size:10pt;">combine</font><font style="font-family:Times New Roman;font-size:10pt;"> a liquid phase sample introduction and separation system with mass spectrometric compound identification and quantification. Through its TA Division (“TA</font><font style="font-family:Times New Roman;font-size:10pt;">®</font><font style="font-family:Times New Roman;font-size:10pt;">”), the Company primarily designs, manufactures, sells and services thermal analysis, </font><font style="font-family:Times New Roman;font-size:10pt;">rheometry</font><font style="font-family:Times New Roman;font-size:10pt;"> and </font><font style="font-family:Times New Roman;font-size:10pt;">calorimetry</font><font style="font-family:Times New Roman;font-size:10pt;"> instruments, which are used in predicting the suitability of fine chemicals, </font><font style="font-family:Times New Roman;font-size:10pt;">pharmaceuticals, water, </font><font style="font-family:Times New Roman;font-size:10pt;">polymers and viscous liquids for various industrial, consumer goods and healthcare products, as well as for life science research. The Company is also a developer and supplier of software-based products that interface with the Company's instruments</font><font style="font-family:Times New Roman;font-size:10pt;">, as well as other manufacturers' instruments,</font><font style="font-family:Times New Roman;font-size:10pt;"> and are typically purchased by customers as part of the instrument system.</font></p>
CY2013	wat	Consolidated Entities ConsolidatedEntities	The Company consolidates entities in which it owns or controls fifty percent or more of the voting shares.
CY2012	us-gaap	Foreign Currency Transactions Description ForeignCurrencyTransactionsDescription	Gains and losses from foreign currency transactions are included in net income in the consolidated statements of operations and were not material for the years presented.
CY2012Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	93576000	USD
CY2013	us-gaap	Additional Cash And Cash Equivalent Related Text AdditionalCashAndCashEquivalentRelatedText	Cash equivalents represent highly liquid investments, with original maturities of 90 days or less, primarily in bank deposits, U.S. and U.K. treasury bill money market funds and commercial paper.
CY2013	us-gaap	Accounts Receivable Additional Narrative Disclosure AccountsReceivableAdditionalNarrativeDisclosure	Past due balances over 90 days and over a specified amount are reviewed individually for collectibility.
CY2010Q4	wat	Allowances For Doubtful Accounts And Sales Returns AllowancesForDoubtfulAccountsAndSalesReturns	6196000	USD
CY2013	wat	Additions To Allowance For Doubtful Accounts And Sales Returns AdditionsToAllowanceForDoubtfulAccountsAndSalesReturns	4386000	USD
CY2013	wat	Deductions From Allowance For Doubtful Accounts And Sales Returns DeductionsFromAllowanceForDoubtfulAccountsAndSalesReturns	-5569000	USD
CY2011Q4	wat	Allowances For Doubtful Accounts And Sales Returns AllowancesForDoubtfulAccountsAndSalesReturns	8584000	USD
CY2013Q4	wat	Allowances For Doubtful Accounts And Sales Returns AllowancesForDoubtfulAccountsAndSalesReturns	7057000	USD
CY2013Q4	us-gaap	Foreign Currency Derivative Liabilities At Fair Value ForeignCurrencyDerivativeLiabilitiesAtFairValue	88000	USD
CY2013	us-gaap	Property Plant And Equipment Income Statement Disclosures PropertyPlantAndEquipmentIncomeStatementDisclosures	There were no material gains or losses from retirement or sale of assets in 2013, 2012 and 2011.
CY2011	us-gaap	Property Plant And Equipment Income Statement Disclosures PropertyPlantAndEquipmentIncomeStatementDisclosures	There were no material gains or losses from retirement or sale of assets in 2013, 2012 and 2011.
CY2012	us-gaap	Property Plant And Equipment Income Statement Disclosures PropertyPlantAndEquipmentIncomeStatementDisclosures	There were no material gains or losses from retirement or sale of assets in 2013, 2012 and 2011.
CY2013	us-gaap	Cost Method Investments Additional Information CostMethodInvestmentsAdditionalInformation	The Company accounts for its investments that represent less than twenty percent ownership, and for which the Company does not have significant influence, using the accounting standards for investments in debt and equity securities. Investments for which the Company does not have the ability to exercise significant influence, and for which there is not a readily determinable market value, are accounted for under the cost method of accounting. The Company periodically evaluates the carrying value of its investments accounted for under the cost method of accounting and carries them at the lower of cost or estimated net realizable value.
CY2013	us-gaap	Equity Method Investment Additional Information EquityMethodInvestmentAdditionalInformation	For investments in which the Company owns or controls between twenty and forty-nine percent of the voting shares, or over which it exerts significant influence over operating and financial policies, the equity method of accounting is used. The Company’s share of net income or losses of equity investments is included in the consolidated statements of operations and was not material in any period presented.
CY2011	us-gaap	Equity Method Investment Additional Information EquityMethodInvestmentAdditionalInformation	The Company’s share of net income or losses of equity investments is included in the consolidated statements of operations and was not material in any period presented.
CY2012	us-gaap	Equity Method Investment Additional Information EquityMethodInvestmentAdditionalInformation	The Company’s share of net income or losses of equity investments is included in the consolidated statements of operations and was not material in any period presented.
CY2013Q4	us-gaap	Other Cash Equivalents At Carrying Value OtherCashEquivalentsAtCarryingValue	62851000	USD
CY2013Q4	us-gaap	Foreign Currency Derivative Assets At Fair Value ForeignCurrencyDerivativeAssetsAtFairValue	929000	USD
CY2013Q4	wat	Waters Restoration Plan Assets WatersRestorationPlanAssets	31203000	USD
CY2013Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	88000	USD
CY2012Q4	us-gaap	Other Cash Equivalents At Carrying Value OtherCashEquivalentsAtCarryingValue	44850000	USD
CY2012Q4	us-gaap	Foreign Currency Derivative Assets At Fair Value ForeignCurrencyDerivativeAssetsAtFairValue	1173000	USD
CY2012Q4	wat	Waters Restoration Plan Assets WatersRestorationPlanAssets	24827000	USD
CY2012Q4	us-gaap	Foreign Currency Derivative Liabilities At Fair Value ForeignCurrencyDerivativeLiabilitiesAtFairValue	693000	USD
CY2012Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	693000	USD
CY2012Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1230222000	USD
CY2013	us-gaap	Description Of Foreign Currency Derivative Activities DescriptionOfForeignCurrencyDerivativeActivities	The periods of these forward contracts typically range from one to three months and have varying notional amounts, which are intended to be consistent with changes in the underlying exposures.
CY2013Q4	wat	Realized Gain Loss On Foreign Currency Derivatives Recorded In Earnings Net RealizedGainLossOnForeignCurrencyDerivativesRecordedInEarningsNet	8666000	USD
CY2013	wat	Unrealized Gain Loss On Foreign Currency Derivatives Recorded In Earnings Net UnrealizedGainLossOnForeignCurrencyDerivativesRecordedInEarningsNet	361000	USD
CY2012	wat	Unrealized Gain Loss On Foreign Currency Derivatives Recorded In Earnings Net UnrealizedGainLossOnForeignCurrencyDerivativesRecordedInEarningsNet	1716000	USD
CY2012Q4	wat	Realized Gain Loss On Foreign Currency Derivatives Recorded In Earnings Net RealizedGainLossOnForeignCurrencyDerivativesRecordedInEarningsNet	4186000	USD
CY2011Q4	wat	Realized Gain Loss On Foreign Currency Derivatives Recorded In Earnings Net RealizedGainLossOnForeignCurrencyDerivativesRecordedInEarningsNet	-2233000	USD
CY2013	us-gaap	Gain Loss On Foreign Currency Derivatives Recorded In Earnings Net GainLossOnForeignCurrencyDerivativesRecordedInEarningsNet	9027000	USD
CY2012	us-gaap	Gain Loss On Foreign Currency Derivatives Recorded In Earnings Net GainLossOnForeignCurrencyDerivativesRecordedInEarningsNet	5902000	USD
CY2013	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	8466000	USD
CY2013	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	-7857000	USD
CY2011Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	13258000	USD
CY2010Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	11272000	USD
CY2011	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	10175000	USD
CY2011	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	-8189000	USD
CY2013	us-gaap	Advertising Expense AdvertisingExpense	11000000	USD
CY2012	us-gaap	Advertising Expense AdvertisingExpense	13000000	USD
CY2012Q4	wat	Cash Equivalents And Short Term Investments Debt Maturities Next Rolling Twelve Months Fair Value CashEquivalentsAndShortTermInvestmentsDebtMaturitiesNextRollingTwelveMonthsFairValue	1057990000	USD
CY2013Q4	wat	Cash Equivalents And Short Term Investments Amortized Cost Basis CashEquivalentsAndShortTermInvestmentsAmortizedCostBasis	1399712000	USD
CY2013Q4	wat	Cash Equivalents And Short Term Investments Gross Unrealized Gains CashEquivalentsAndShortTermInvestmentsGrossUnrealizedGains	371000	USD
CY2013Q4	wat	Cash Equivalents And Short Term Investments Gross Unrealized Losses CashEquivalentsAndShortTermInvestmentsGrossUnrealizedLosses	-243000	USD
CY2013Q4	wat	Cashequivalentsandshortterminvestmentsfairvalue Cashequivalentsandshortterminvestmentsfairvalue	1399840000	USD
CY2012Q4	wat	Cash Equivalents And Short Term Investments Amortized Cost Basis CashEquivalentsAndShortTermInvestmentsAmortizedCostBasis	1160955000	USD
CY2012Q4	wat	Cashequivalentsandshortterminvestmentsfairvalue Cashequivalentsandshortterminvestmentsfairvalue	1159372000	USD
CY2012Q4	wat	Cash Equivalents And Short Term Investments Gross Unrealized Losses CashEquivalentsAndShortTermInvestmentsGrossUnrealizedLosses	-1583000	USD
CY2013Q4	wat	Cash Equivalents And Short Term Investments Debt Maturities Next Rolling Twelve Months Fair Value CashEquivalentsAndShortTermInvestmentsDebtMaturitiesNextRollingTwelveMonthsFairValue	1011459000	USD
CY2013Q4	wat	Cashequivalentsandshortterminvestmentsdebtmaturitiesrollingyeartwothroughfivefairvalue Cashequivalentsandshortterminvestmentsdebtmaturitiesrollingyeartwothroughfivefairvalue	314184000	USD
CY2013Q4	wat	Debt Securities DebtSecurities	1325643000	USD
CY2012Q4	wat	Debt Securities DebtSecurities	1057990000	USD
CY2013	wat	Realized Investment Gains Losses Description RealizedInvestmentGainsLossesDescription	Realized gains and losses on sales of investments were not material in 2013, 2012 and 2011.
CY2012	wat	Realized Investment Gains Losses Description RealizedInvestmentGainsLossesDescription	Realized gains and losses on sales of investments were not material in 2013, 2012 and 2011.
CY2011	wat	Realized Investment Gains Losses Description RealizedInvestmentGainsLossesDescription	Realized gains and losses on sales of investments were not material in 2013, 2012 and 2011.
CY2013Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	76930000	USD
CY2013Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	19656000	USD
CY2013Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	146214000	USD
CY2012Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	73280000	USD
CY2012Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	16133000	USD
CY2012Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	140152000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	334417000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	659349000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	587323000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	314044000	USD
CY2013	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	19000000	USD
CY2012	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	6000000	USD
CY2011	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	6000000	USD
CY2013Q4	wat	Capitalized Costs For Sofware Developed For Internal Use Net CapitalizedCostsForSofwareDevelopedForInternalUseNet	3000000	USD
CY2012Q4	wat	Capitalized Costs For Sofware Developed For Internal Use Net CapitalizedCostsForSofwareDevelopedForInternalUseNet	3000000	USD
CY2013Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	561485000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	322373000	USD
CY2012Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	495740000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	275595000	USD
CY2013Q4	us-gaap	Long Term Investments LongTermInvestments	3000000	USD
CY2012Q4	us-gaap	Long Term Investments LongTermInvestments	3000000	USD
CY2013Q4	us-gaap	Capitalized Software Development Costs For Software Sold To Customers CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers	151000000	USD
CY2012Q4	us-gaap	Capitalized Software Development Costs For Software Sold To Customers CapitalizedSoftwareDevelopmentCostsForSoftwareSoldToCustomers	138000000	USD
CY2013	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	2000000	USD
CY2013	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	35000000	USD
CY2013	wat	Intangible Assets Gross Foreign Currency Translation Adjustments IntangibleAssetsGrossForeignCurrencyTranslationAdjustments	14000000	USD
CY2013	wat	Intangible Assets Accumulated Amortization Foreign Currency Translation Adjustments IntangibleAssetsAccumulatedAmortizationForeignCurrencyTranslationAdjustments	9000000	USD
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Next Twelve Months Range Minimum FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonthsRangeMinimum	44000000	USD
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Next Twelve Months Range Maximum FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonthsRangeMaximum	49000000	USD
CY2013	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P8Y
CY2012	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P7Y
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Year Two Range Minimum FiniteLivedIntangibleAssetsAmortizationExpenseYearTwoRangeMinimum	44000000	USD
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Year Three Range Minimum FiniteLivedIntangibleAssetsAmortizationExpenseYearThreeRangeMinimum	44000000	USD
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Year Four Range Minimum FiniteLivedIntangibleAssetsAmortizationExpenseYearFourRangeMinimum	44000000	USD
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Year Five Range Minimum FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveRangeMinimum	44000000	USD
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Year Two Range Maximum FiniteLivedIntangibleAssetsAmortizationExpenseYearTwoRangeMaximum	49000000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3342000	USD
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Year Three Range Maximum FiniteLivedIntangibleAssetsAmortizationExpenseYearThreeRangeMaximum	49000000	USD
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Year Four Range Maximum FiniteLivedIntangibleAssetsAmortizationExpenseYearFourRangeMaximum	49000000	USD
CY2013Q4	wat	Finite Lived Intangible Assets Amortization Expense Year Five Range Maximum FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveRangeMaximum	49000000	USD
CY2013Q4	wat	Debt Debt	1323346000	USD
CY2012Q4	wat	Debt Debt	1177781000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	39933000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	78401000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	82108000	USD
CY2013	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-702000	USD
CY2012	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	39840000	USD
CY2011	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	33242000	USD
CY2013	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	5142000	USD
CY2012	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	5599000	USD
CY2011	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	5661000	USD
CY2013	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	35662000	USD
CY2012	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-19257000	USD
CY2011	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	37381000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	171537000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	170669000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	178238000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3639000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3679000	USD
CY2013	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-96461000	USD
CY2012	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-102858000	USD
CY2011	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-100911000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-7764000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-2823000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-3105000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	169000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-52219000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5824000	USD
CY2012	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-36410000	USD
CY2012Q4	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-36410000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-30552000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-6035000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-1617000	USD
CY2013Q1	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-30552000	USD
CY2012Q4	us-gaap	Income Tax Reconciliation Tax Settlements IncomeTaxReconciliationTaxSettlements	-6035000	USD
CY2011	wat	Percentage Point Change In Effective Tax Rate PercentagePointChangeInEffectiveTaxRate	-0.3	pure
CY2012	wat	Percentage Point Change In Effective Tax Rate PercentagePointChangeInEffectiveTaxRate	-8.6	pure
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	19038000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	217845000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	251976000	USD
CY2013	wat	Percentage Point Change In Effective Tax Rate PercentagePointChangeInEffectiveTaxRate	-6.9	pure
CY2011Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	47.95
CY2013Q4	wat	Net Operating Loss Carryforwards And Credits Deferred Tax Assets NetOperatingLossCarryforwardsAndCreditsDeferredTaxAssets	116567000	USD
CY2012Q4	wat	Net Operating Loss Carryforwards And Credits Deferred Tax Assets NetOperatingLossCarryforwardsAndCreditsDeferredTaxAssets	119405000	USD
CY2013Q4	wat	Depreciation Deferred Tax Assets DepreciationDeferredTaxAssets	7163000	USD
CY2012Q4	wat	Depreciation Deferred Tax Assets DepreciationDeferredTaxAssets	14555000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	22684000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	25024000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	3832000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	3919000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	3651000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	3658000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	23268000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	36711000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	15289000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	94952000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	93576000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	122893000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	158400000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Software DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware	18012000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Software DeferredTaxLiabilitiesDeferredExpenseCapitalizedSoftware	15726000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	3798000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	3980000	USD
CY2013Q4	wat	Indefinite Lived Intangibles Deferred Tax Liabilities IndefiniteLivedIntangiblesDeferredTaxLiabilities	18840000	USD
CY2012Q4	wat	Indefinite Lived Intangibles Deferred Tax Liabilities IndefiniteLivedIntangiblesDeferredTaxLiabilities	18252000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	0	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	40650000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	37962000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	82243000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	120438000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	25391000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	29666000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	32000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	51000000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	69000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	69000000	USD
CY2013	wat	Unremitted Earnings Of Foreign Subsidiaries UnremittedEarningsOfForeignSubsidiaries	3000000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	1000000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	18000000	USD
CY2013Q4	wat	Maximum Contribution Allowed Under Employee Stock Purchase Plan As Of Employees Earnings MaximumContributionAllowedUnderEmployeeStockPurchasePlanAsOfEmployeesEarnings	0.15	pure
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	67000000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	113000000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	71523000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	73199000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	64390000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24716000	USD
CY2013	wat	Other Changes In Uncertain Tax Benefits OtherChangesInUncertainTaxBenefits	-4395000	USD
CY2012	wat	Other Changes In Uncertain Tax Benefits OtherChangesInUncertainTaxBenefits	-3184000	USD
CY2011	wat	Other Changes In Uncertain Tax Benefits OtherChangesInUncertainTaxBenefits	1676000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	2000000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	-5625000	USD
CY2011	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	28000000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	-35279000	USD
CY2013	us-gaap	Tax Adjustments Settlements And Unusual Provisions TaxAdjustmentsSettlementsAndUnusualProvisions	4000000	USD
CY2013	wat	Net Tax Benefit Related To Completed Tax Audit Examinations NetTaxBenefitRelatedToCompletedTaxAuditExaminations	31000000	USD
CY2013Q1	wat	Net Tax Benefit Related To Completed Tax Audit Examinations NetTaxBenefitRelatedToCompletedTaxAuditExaminations	31000000	USD
CY2013Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	6000000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	30000000	USD
CY2012	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	30000000	USD
CY2013	wat	Purchase Price Calculation For Shares Of Stock Under Employee Stock Purchase Plan PurchasePriceCalculationForSharesOfStockUnderEmployeeStockPurchasePlan	The purchase price for each share of stock is the lesser of 90% of the market price on the first day of the plan period or 100% of the market price on the last day of the plan period.
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	113000000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	70.89
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	4900000	shares
CY2013Q4	wat	Total Number Of Shares Purchased Under Employee Stock Purchase Plan TotalNumberOfSharesPurchasedUnderEmployeeStockPurchasePlan	1200000	shares
CY2012Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	2900000	shares
CY2011Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	2900000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	3900000	shares
CY2013	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	1000000	USD
CY2013	wat	Plan Period Employee Stock Purchase Plan In Months PlanPeriodEmployeeStockPurchasePlanInMonths	3	pure
CY2012Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	54.00
CY2012	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	1000000	USD
CY2011	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	1000000	USD
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y6M
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P6Y1M
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	29183000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	31708000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	27579000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	428000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Payments ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments	0	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	699000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Payments ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments	0	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	658000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Payments ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments	0	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.248	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.265	pure
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.376	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.017	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.010	pure
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.011	pure
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2011	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	97.74
CY2012	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	86.55
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	23.97
CY2011	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	79.10
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	29.67
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4809000	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	-39000	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3917000	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	63.34
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	72.42
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	71.08
CY2013Q4	wat	Exercise Price Range Of Options Outstanding Lower Range Limit ExercisePriceRangeOfOptionsOutstandingLowerRangeLimit	33.12
CY2013Q4	wat	Exercise Price Range Of Options Outstanding Upper Range Limit ExercisePriceRangeOfOptionsOutstandingUpperRangeLimit	103.47
CY2012Q4	wat	Exercise Price Range Of Options Outstanding Lower Range Limit ExercisePriceRangeOfOptionsOutstandingLowerRangeLimit	23.19
CY2012Q4	wat	Exercise Price Range Of Options Outstanding Upper Range Limit ExercisePriceRangeOfOptionsOutstandingUpperRangeLimit	87.06
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	50.89
CY2013	wat	Exercise Price Range Of Options Exercised Lower Range Limit ExercisePriceRangeOfOptionsExercisedLowerRangeLimit	23.19
CY2013	wat	Exercise Price Range Of Options Exercised Upper Range Limit ExercisePriceRangeOfOptionsExercisedUpperRangeLimit	79.15
CY2013	wat	Exercise Price Range Of Options Canceled Lower Range Limit ExercisePriceRangeOfOptionsCanceledLowerRangeLimit	36.25
CY2013	wat	Exercise Price Range Of Options Canceled Upper Range Limit ExercisePriceRangeOfOptionsCanceledUpperRangeLimit	79.15
CY2013	wat	Exercise Price Range Of Options Granted Lower Range Limit ExercisePriceRangeOfOptionsGrantedLowerRangeLimit	88.71
CY2013	wat	Exercise Price Range Of Options Granted Upper Range Limit ExercisePriceRangeOfOptionsGrantedUpperRangeLimit	103.47
CY2013Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	2242000	shares
CY2013Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	60.88
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y4M
CY2013Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-17652000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	121059000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.41
CY2013Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86049000	shares
CY2013Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.39
CY2013	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1120000	shares
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1100000	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2000000	shares
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1300000	shares
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1138000	shares
CY2011	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1492000	shares
CY2013	wat	Defined Contribution Plan Employee Contribution Annual Vesting Percentage DefinedContributionPlanEmployeeContributionAnnualVestingPercentage	1.00	pure
CY2013	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	1.00	pure
CY2013	us-gaap	Defined Benefit Plan Alternative Method Used To Amortize Net Gains And Losses DefinedBenefitPlanAlternativeMethodUsedToAmortizeNetGainsAndLosses	amortize cumulative actuarial gains and losses in excess of 10% of the larger of the market-related value of plan assets and the projected benefit obligation over the expected future service of active participants.
CY2013Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	175952000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	147788000	USD
CY2013Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	24650000	USD
CY2013Q2	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	2382000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	8144000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	8367000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	10752000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	9941000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	10495000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	69890000	USD
CY2013Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	87215000	shares
CY2013Q2	us-gaap	Sales Revenue Net SalesRevenueNet	451115000	USD
CY2013Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	188329000	USD
CY2013Q2	us-gaap	Gross Profit GrossProfit	262786000	USD
CY2013Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	123062000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	112692000	USD
CY2013	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	pure
CY2013	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	pure
CY2013	wat	Percent Of Net Sales Derived From Operations Outside United States PercentOfNetSalesDerivedFromOperationsOutsideUnitedStates	0.71	pure
CY2012	wat	Percent Of Net Sales Derived From Operations Outside United States PercentOfNetSalesDerivedFromOperationsOutsideUnitedStates	0.71	pure
CY2011	wat	Percent Of Net Sales Derived From Operations Outside United States PercentOfNetSalesDerivedFromOperationsOutsideUnitedStates	0.71	pure
CY2013Q1	us-gaap	Sales Revenue Net SalesRevenueNet	430338000	USD
CY2013Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	174568000	USD
CY2013Q1	us-gaap	Gross Profit GrossProfit	255770000	USD
CY2013Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	118660000	USD
CY2013Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	25312000	USD
CY2013Q1	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	2393000	USD
CY2013Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	109405000	USD
CY2013Q1	us-gaap	Interest Expense InterestExpense	7185000	USD
CY2013Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	1187000	USD
CY2013Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	103407000	USD
CY2013Q2	us-gaap	Interest Expense InterestExpense	7580000	USD
CY2013Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	1179000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	104716000	USD
CY2013Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15402000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	89314000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.04
CY2013Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85482000	shares
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.03
CY2013Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86576000	shares
CY2013Q3	us-gaap	Sales Revenue Net SalesRevenueNet	457317000	USD
CY2013Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	191568000	USD
CY2013Q3	us-gaap	Gross Profit GrossProfit	265749000	USD
CY2013Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	120563000	USD
CY2013Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	23599000	USD
CY2013Q3	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	2518000	USD
CY2013Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	119069000	USD
CY2013Q3	us-gaap	Interest Expense InterestExpense	7358000	USD
CY2013Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	946000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	112657000	USD
CY2013Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14609000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	98048000	USD
CY2013Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.15
CY2013Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85185000	shares
CY2013Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.14
CY2013Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86364000	shares
CY2013Q4	us-gaap	Sales Revenue Net SalesRevenueNet	565448000	USD
CY2013Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	228991000	USD
CY2013Q4	us-gaap	Gross Profit GrossProfit	336457000	USD
CY2013Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	130680000	USD
CY2013Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	26975000	USD
CY2013Q4	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	2625000	USD
CY2013Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	176177000	USD
CY2013Q4	us-gaap	Interest Expense InterestExpense	7927000	USD
CY2013Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	1075000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	169325000	USD
CY2013Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	27743000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	141582000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.67
CY2013Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85006000	shares
CY2013Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.65
CY2013Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86017000	shares
CY2013Q2	us-gaap	Gain Loss On Investments GainLossOnInvestments	-1575000	USD
CY2012Q1	us-gaap	Sales Revenue Net SalesRevenueNet	420458000	USD
CY2012Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	167290000	USD
CY2012Q1	us-gaap	Gross Profit GrossProfit	253168000	USD
CY2012Q1	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	117119000	USD
CY2012Q1	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	23347000	USD
CY2012Q1	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	2485000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	110217000	USD
CY2012Q1	us-gaap	Interest Expense InterestExpense	6491000	USD
CY2012Q1	us-gaap	Investment Income Interest InvestmentIncomeInterest	769000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	104495000	USD
CY2012Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	122682000	USD
CY2012Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	23943000	USD
CY2012Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15829000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	88666000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.00
CY2012Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	88992000	shares
CY2012Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.98
CY2012Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	90269000	shares
CY2012Q2	us-gaap	Sales Revenue Net SalesRevenueNet	451465000	USD
CY2012Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	179259000	USD
CY2012Q2	us-gaap	Gross Profit GrossProfit	272206000	USD
CY2012Q2	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	2458000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	120123000	USD
CY2012Q2	us-gaap	Interest Expense InterestExpense	6878000	USD
CY2012Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	1031000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	114276000	USD
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16552000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	97724000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.11
CY2012Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	88317000	shares
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.09
CY2012Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	89381000	shares
CY2012Q3	us-gaap	Sales Revenue Net SalesRevenueNet	449952000	USD
CY2012Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	182702000	USD
CY2012Q3	us-gaap	Gross Profit GrossProfit	267250000	USD
CY2012Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	115322000	USD
CY2012Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	23756000	USD
CY2012Q3	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	6427000	USD
CY2012Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	121745000	USD
CY2012Q3	us-gaap	Interest Expense InterestExpense	7107000	USD
CY2012Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	1184000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	115822000	USD
CY2012Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16713000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	99109000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.13
CY2012Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	87411000	shares
CY2012Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.12
CY2012Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	88451000	shares
CY2012Q4	us-gaap	Sales Revenue Net SalesRevenueNet	521766000	USD
CY2012Q4	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	208363000	USD
CY2012Q4	us-gaap	Gross Profit GrossProfit	313403000	USD
CY2012Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	122147000	USD
CY2012Q4	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	24958000	USD
CY2012Q4	wat	Purchased Intangibles Amortization PurchasedIntangiblesAmortization	2459000	USD
CY2012Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	159405000	USD
CY2012Q4	us-gaap	Interest Expense InterestExpense	7597000	USD
CY2012Q4	us-gaap	Investment Income Interest InvestmentIncomeInterest	1224000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	153032000	USD
CY2012Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-22912000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	175944000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.03
CY2012Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86712000	shares
CY2012Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.00
CY2012Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	87851000	shares
CY2012Q2	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-3000000	USD
CY2012Q4	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-4434000	USD
CY2010Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	10361000	USD
CY2013	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	484000	USD
CY2013	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	892000	USD
CY2011Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	10248000	USD
CY2012	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	80974000	USD
CY2012	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	2354000	USD
CY2011	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	63000	USD
CY2011	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	-176000	USD
CY2013Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	94952000	USD

Files In Submission

Name	View Source	Status
0001193125-14-072515-index-headers.html	Edgar Link	pending
0001193125-14-072515-index.html	Edgar Link	pending
0001193125-14-072515.txt	Edgar Link	pending
0001193125-14-072515-xbrl.zip	Edgar Link	pending
d644127d10k.htm	Edgar Link	pending
d644127dex211.htm	Edgar Link	pending
d644127dex231.htm	Edgar Link	pending
d644127dex311.htm	Edgar Link	pending
d644127dex312.htm	Edgar Link	pending
d644127dex321.htm	Edgar Link	pending
d644127dex322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
g644127g47t07.jpg	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
wat-20131231.xml	Edgar Link	completed
wat-20131231.xsd	Edgar Link	pending
wat-20131231_cal.xml	Edgar Link	unprocessable
wat-20131231_def.xml	Edgar Link	unprocessable
wat-20131231_lab.xml	Edgar Link	unprocessable
wat-20131231_pre.xml	Edgar Link	unprocessable

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$WAT
WATERS CORP /DE/ Stock $wat

2013 Form 10-K Financial Statement

#000119312514072515 Filed on February 27, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WAT WATERS CORP /DE/ Stock $wat

2013 Form 10-K Financial Statement

#000119312514072515 Filed on February 27, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$WAT
WATERS CORP /DE/ Stock $wat