$EXLS
ExlService Holdings, Inc. Stock $exls

$exls Overview Financials Valuation SEC Filings Company Website

2019 Q3 Form 10-Q Financial Statement

#000129798919000009 Filed on October 30, 2019

Income Statement

Concept	2019 Q3	2018 Q4	2018 Q3
Revenue	$251.4M	$234.9M	$231.1M
YoY Change	8.77%	18.71%	20.16%
Cost Of Revenue	$167.5M	$154.9M	$152.2M
YoY Change	10.11%	19.8%	23.63%
Gross Profit	$83.85M	$79.96M	$78.97M
YoY Change	6.18%	16.53%	14.0%
Gross Profit Margin	33.35%	34.04%	34.17%
Selling, General & Admin	$47.89M	$48.60M	$45.19M
YoY Change	5.97%	14.89%	16.66%
% of Gross Profit	57.12%	60.78%	57.23%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$7.545M	$13.40M	$7.381M
YoY Change	2.22%	31.37%	21.1%
% of Gross Profit	9.0%	16.76%	9.35%
Operating Expenses	$61.43M	$62.00M	$59.29M
YoY Change	3.6%	18.55%	22.7%
Operating Profit	$22.42M	$17.96M	$19.67M
YoY Change	13.97%	10.05%	-6.07%
Interest Expense	$3.180M	$1.500M	$2.475M
YoY Change	28.48%	-44.44%	413.49%
% of Operating Profit	14.18%	8.35%	12.58%
Other Income/Expense, Net	$2.392M	$1.100M	$1.376M
YoY Change	73.84%	83.33%	-53.37%
Pretax Income	$24.81M	$500.0K	$21.05M
YoY Change	17.88%	-97.45%	-11.91%
Income Tax	$5.701M	-$3.600M	$5.739M
% Of Pretax Income	22.97%	-720.0%	27.26%
Net Earnings	$19.04M	$3.857M	$15.25M
YoY Change	24.89%	-141.23%	-27.65%
Net Earnings / Revenue	7.58%	1.64%	6.6%
Basic Earnings Per Share	$0.55	$0.11	$0.44
Diluted Earnings Per Share	$0.55	$0.11	$0.43
COMMON SHARES
Basic Shares Outstanding	34.32M shares	34.39M shares	34.46M shares
Diluted Shares Outstanding	34.70M shares	34.92M shares	35.21M shares

Balance Sheet

Concept	2019 Q3	2018 Q4	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$280.8M	$280.4M	$242.5M
YoY Change	15.79%	5.69%	-2.77%
Cash & Equivalents	$101.4M	$95.88M	$97.64M
Short-Term Investments	$179.3M	$184.5M	$144.9M
Other Short-Term Assets	$27.97M	$28.24M	$24.30M
YoY Change	15.11%	-4.54%	8.82%
Inventory	$1.800M		$800.0K
Prepaid Expenses	$9.364M	$11.33M	$10.33M
Receivables	$179.7M	$164.8M	$164.3M
Other Receivables	$16.50M	$0.00	$13.30M
Total Short-Term Assets	$506.2M	$499.9M	$453.8M
YoY Change	11.55%	10.41%	7.22%
LONG-TERM ASSETS
Property, Plant & Equipment	$78.47M	$73.51M	$67.68M
YoY Change	15.95%	10.12%	6.19%
Goodwill	$349.5M	$350.0M	$357.5M
YoY Change	-2.24%	71.16%	90.22%
Intangibles	$78.85M	$95.50M	$114.8M
YoY Change	-31.32%	95.05%	163.49%
Long-Term Investments	$2.555M	$2.753M	$2.824M
YoY Change	-9.53%	-8.23%
Other Assets	$32.97M	$31.02M	$32.78M
YoY Change	0.57%	-14.72%	6.87%
Total Long-Term Assets	$639.8M	$562.0M	$591.3M
YoY Change	8.19%	50.81%	71.02%
TOTAL ASSETS
Total Short-Term Assets	$506.2M	$499.9M	$453.8M
Total Long-Term Assets	$639.8M	$562.0M	$591.3M
Total Assets	$1.146B	$1.062B	$1.045B
YoY Change	9.65%	28.65%	35.91%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$3.658M	$5.653M	$4.310M
YoY Change	-15.13%	-4.48%	12.42%
Accrued Expenses	$69.88M	$64.17M	$67.08M
YoY Change	4.16%	4.57%	36.79%
Deferred Revenue	$9.585M	$7.722M	$7.600M
YoY Change	26.12%	-27.94%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$20.88M	$21.42M	$12.32M
YoY Change	69.48%	107.63%	6059.0%
Total Short-Term Liabilities	$187.9M	$155.1M	$138.2M
YoY Change	35.99%	7.52%	24.38%
LONG-TERM LIABILITIES
Long-Term Debt	$223.9M	$263.2M	$288.3M
YoY Change	-22.33%	422.4%	540.69%
Other Long-Term Liabilities	$1.998M	$16.52M	$1.112M
YoY Change	79.68%	588.09%	-65.05%
Total Long-Term Liabilities	$225.9M	$279.8M	$289.4M
YoY Change	-21.94%	429.93%	500.68%
TOTAL LIABILITIES
Total Short-Term Liabilities	$187.9M	$155.1M	$138.2M
Total Long-Term Liabilities	$225.9M	$279.8M	$289.4M
Total Liabilities	$498.3M	$443.6M	$470.7M
YoY Change	5.87%	96.79%	172.65%
SHAREHOLDERS EQUITY
Retained Earnings	$530.5M	$484.2M	$480.4M
YoY Change	10.44%	13.39%	10.07%
Common Stock	$386.1M	$364.2M	$344.8M
YoY Change	11.99%	13.01%	10.6%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$182.8M	$146.9M	$136.6M
YoY Change	33.82%	41.52%	47.37%
Treasury Stock Shares	4.215M shares	3.628M shares	3.451M shares
Shareholders Equity	$647.7M	$618.1M	$574.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.146B	$1.062B	$1.045B
YoY Change	9.65%	28.65%	35.91%

Cashflow Statement

Concept	2019 Q3	2018 Q4	2018 Q3
OPERATING ACTIVITIES
Net Income	$19.04M	$3.857M	$15.25M
YoY Change	24.89%	-141.23%	-27.65%
Depreciation, Depletion And Amortization	$7.545M	$13.40M	$7.381M
YoY Change	2.22%	31.37%	21.1%
Cash From Operating Activities	$58.30M	$45.20M	$33.40M
YoY Change	74.55%	5.61%	32.02%
INVESTING ACTIVITIES
Capital Expenditures	-$10.00M	-$10.30M	-$10.80M
YoY Change	-7.41%	22.62%	68.75%
Acquisitions
YoY Change
Other Investing Activities	-$12.20M	-$26.80M	-$230.0M
YoY Change	-94.7%	-37.96%	1486.21%
Cash From Investing Activities	-$22.30M	-$37.10M	-$240.8M
YoY Change	-90.74%	-28.1%	1063.29%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-16.60M	-9.900M	223.6M
YoY Change	-107.42%	-228.57%	-3487.88%
NET CHANGE
Cash From Operating Activities	58.30M	45.20M	33.40M
Cash From Investing Activities	-22.30M	-37.10M	-240.8M
Cash From Financing Activities	-16.60M	-9.900M	223.6M
Net Change In Cash	19.40M	-1.800M	16.20M
YoY Change	19.75%	63.64%	-910.0%
FREE CASH FLOW
Cash From Operating Activities	$58.30M	$45.20M	$33.40M
Capital Expenditures	-$10.00M	-$10.30M	-$10.80M
Free Cash Flow	$68.30M	$55.50M	$44.20M
YoY Change	54.52%	8.4%	39.43%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0001297989
CY2018Q4	exls	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Tax Portion AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectTaxPortion	115000	USD
CY2019Q3	exls	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Tax Portion AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectTaxPortion	133000	USD
CY2018Q4	exls	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Post Retirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostRetirementPlansTax	-53000	USD
CY2019Q3	exls	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Post Retirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostRetirementPlansTax	46000	USD
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
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CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	37850544	shares
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	38322354	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	34222476	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	34107851	shares
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-3596000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-7969000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-1791000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	91000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-19000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	1183000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-133000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	73000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	4000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax	6000	USD
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CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
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CY2019Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	15000000	shares
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-33089
	dei	Entity Registrant Name EntityRegistrantName	EXLSERVICE HOLDINGS, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	82-0572194
	dei	Entity Address Address Line1 EntityAddressAddressLine1	320 Park Avenue,
	dei	Entity Address Address Line2 EntityAddressAddressLine2	29th Floor,
	dei	Entity Address City Or Town EntityAddressCityOrTown	New York,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10022
	dei	City Area Code CityAreaCode	212
	dei	Local Phone Number LocalPhoneNumber	277-7100
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
	dei	Security12b Title Security12bTitle	Common Stock, $0.001 par value per share
	dei	Trading Symbol TradingSymbol	EXLS
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
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	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	85610000	USD
CY2019Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	18302000	USD
CY2018Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	16490000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	53996000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	45593000	USD
CY2019Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13047000	USD
CY2018Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	14099000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	39466000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	35185000	USD
CY2019Q3	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	489000	USD
CY2018Q3	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	0	USD
	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	7296000	USD
	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	0	USD
CY2019Q3	us-gaap	Operating Expenses OperatingExpenses	61428000	USD
CY2018Q3	us-gaap	Operating Expenses OperatingExpenses	59293000	USD
	us-gaap	Operating Expenses OperatingExpenses	194107000	USD
	us-gaap	Operating Expenses OperatingExpenses	166388000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	22422000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	19674000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	53139000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	51914000	USD
CY2019Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1009000	USD
CY2018Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1385000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3471000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3414000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	3180000	USD
CY2018Q3	us-gaap	Interest Expense InterestExpense	2475000	USD
	us-gaap	Interest Expense InterestExpense	10626000	USD
	us-gaap	Interest Expense InterestExpense	3719000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4563000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2466000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13088000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8232000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	24814000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	21050000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	59072000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	59841000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5701000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5739000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12571000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6796000	USD
CY2019Q3	exls	Income Loss From Continuing Operations Before Equity Method Investments Total IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsTotal	19113000	USD
CY2018Q3	exls	Income Loss From Continuing Operations Before Equity Method Investments Total IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsTotal	15311000	USD
	exls	Income Loss From Continuing Operations Before Equity Method Investments Total IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsTotal	46501000	USD
	exls	Income Loss From Continuing Operations Before Equity Method Investments Total IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsTotal	53045000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-69000	USD
CY2018Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-62000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-198000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-176000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	19044000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	15249000	USD
	us-gaap	Net Income Loss NetIncomeLoss	46303000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52869000	USD
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.55
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.44
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.35
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.53
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.43
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.33
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.50
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34322449	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34458520	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34382787	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34472232	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	34699497	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35207991	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	34744968	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35217814	shares
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	19044000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	15249000	USD
	us-gaap	Net Income Loss NetIncomeLoss	46303000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52869000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-1805000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-8348000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	5538000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-21218000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-8104000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-18373000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4820000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-44403000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	1837000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-46000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	3186000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	2890000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	49000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	34000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	218000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	109000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-11795000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-26709000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2686000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-68620000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	7249000	USD
CY2018Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-11460000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	43617000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-15751000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	641353000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	0	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7427000	USD
CY2019Q3	exls	Acquisition Of Treasury Stock Value AcquisitionOfTreasuryStockValue	8346000	USD
CY2019Q3	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-11795000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	19044000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	647683000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	585479000	USD
CY2018Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4733000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5344000	USD
CY2018Q3	exls	Acquisition Of Treasury Stock Value AcquisitionOfTreasuryStockValue	9657000	USD
CY2018Q3	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	9000	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-26709000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	15249000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	574448000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	618319000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	338000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	21538000	USD
	exls	Acquisition Of Treasury Stock Value AcquisitionOfTreasuryStockValue	35884000	USD
	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	-13000	USD
	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	232000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2686000	USD
	us-gaap	Net Income Loss NetIncomeLoss	46303000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	647683000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	600045000	USD
CY2017Q4	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	454000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest Adjusted Balance1 StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1	600499000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	5164000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17311000	USD
	exls	Acquisition Of Treasury Stock Value AcquisitionOfTreasuryStockValue	32793000	USD
	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	18000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-68620000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52869000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	574448000	USD
	us-gaap	Net Income Loss NetIncomeLoss	46303000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52869000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	39633000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	35345000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	21538000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	17311000	USD
	exls	Amortization Of Operating Lease Right Of Use Asset AmortizationOfOperatingLeaseRightOfUseAsset	20544000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	7443000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	5423000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-19000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	14375000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6859000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-986000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	433000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-620000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-198000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-176000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	1836000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	3167000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	148000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-193000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	16475000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9354000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-752000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3344000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	6212000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-4228000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1307000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5597000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1847000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1414000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	3247000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-5199000	USD
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	3420000	USD
	us-gaap	Increase Decrease In Other Employee Related Liabilities IncreaseDecreaseInOtherEmployeeRelatedLiabilities	-7680000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	12160000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-436000	USD
	exls	Increase Decreasein Operating Lease Liability IncreaseDecreaseinOperatingLeaseLiability	-19428000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	105955000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	47238000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	32308000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	30070000	USD
	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	241000	USD
	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	231918000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	117934000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	57957000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	129143000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	79536000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-21340000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-240409000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	274000	USD
	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	105000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	46000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	245000000	USD
	us-gaap	Repayments Of Debt RepaymentsOfDebt	87763000	USD
	us-gaap	Repayments Of Debt RepaymentsOfDebt	5083000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	117000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	387000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	35884000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	32793000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	338000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1084000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-77700000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	207716000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1761000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-3008000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	5154000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	11537000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	104131000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	94277000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	109285000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	105814000	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	4080000	USD
	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-top:8px;text-align:justify;text-indent:30px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The preparation of the unaudited consolidated financial statements in conformity with US GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited consolidated financial statements and the unaudited consolidated statements of income during the reporting period. Although these estimates are based on management’s best assessment of the current business environment, actual results may be different from those estimates. The significant estimates and assumptions that affect the financial statements include, but are not limited to, allowance for doubtful receivables, expected recoverability from customers with contingent fee arrangements, recoverability of dues from statutory authorities, assets and obligations related to employee benefit plans, deferred tax valuation allowances, income-tax uncertainties and other contingencies, valuation of derivative financial instruments, assumptions used to calculate stock-based compensation expense, assumptions used to determine incremental borrowing rate to calculate lease liabilities and right-of-use (“ROU”) assets, lease term to calculate lease cost, depreciation and amortization periods, purchase price allocation, recoverability of long-lived assets including goodwill and intangibles, and estimated costs to complete fixed price contracts.</span></div>
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	8	operating_segment
	exls	Numberof Operating Segments Operations Management Services NumberofOperatingSegmentsOperationsManagementServices	6	operating_segment
	exls	Numberof Operating Segments Industry Focused NumberofOperatingSegmentsIndustryFocused	5	operating_segment
	exls	Numberof Operating Segments Financeand Accounting Services NumberofOperatingSegmentsFinanceandAccountingServices	1	operating_segment
	exls	Numberof Operating Segments Company Provides Operations Management Services NumberofOperatingSegmentsCompanyProvidesOperationsManagementServices	6	operating_segment
	exls	Numberof Operating Segments Non Operations Management Services NumberofOperatingSegmentsNonOperationsManagementServices	2	operating_segment
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	251392000	USD
CY2019Q3	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	167542000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	83850000	USD
CY2019Q3	us-gaap	Operating Expenses OperatingExpenses	61428000	USD
CY2019Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2392000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5701000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-69000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	19044000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	231124000	USD
CY2018Q3	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	152157000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	78967000	USD
CY2018Q3	us-gaap	Operating Expenses OperatingExpenses	59293000	USD
CY2018Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1376000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5739000	USD
CY2018Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-62000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	15249000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	734474000	USD
	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	487228000	USD
	us-gaap	Gross Profit GrossProfit	247246000	USD
	us-gaap	Operating Expenses OperatingExpenses	194107000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5933000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12571000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-198000	USD
	us-gaap	Net Income Loss NetIncomeLoss	46303000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	648209000	USD
	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	429907000	USD
	us-gaap	Gross Profit GrossProfit	218302000	USD
	us-gaap	Operating Expenses OperatingExpenses	166388000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	7927000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6796000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-176000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52869000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	251392000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	231124000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	734474000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	648209000	USD
	exls	Numberof Operating Segments Industry Focused NumberofOperatingSegmentsIndustryFocused	5	operating_segment
	exls	Numberof Operating Segments Financeand Accounting Services NumberofOperatingSegmentsFinanceandAccountingServices	1	operating_segment
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	251392000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35217814	shares
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	231124000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	734474000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	648209000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	78471000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	73510000	USD
CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	179702000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	164752000	USD
CY2019Q3	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	4528000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Gross ContractWithCustomerAssetGross	5445000	USD
CY2019Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	7990000	USD
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	6345000	USD
CY2019Q3	exls	Contract From Customer Liability Consideration Received From Transitions Activities ContractFromCustomerLiabilityConsiderationReceivedFromTransitionsActivities	2942000	USD
CY2018Q4	exls	Contract From Customer Liability Consideration Received From Transitions Activities ContractFromCustomerLiabilityConsiderationReceivedFromTransitionsActivities	1669000	USD
CY2019Q3	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	80571000	USD
CY2018Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	63952000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1086000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	5312000	USD
CY2018Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1644000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	8025000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	19044000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	15249000	USD
	us-gaap	Net Income Loss NetIncomeLoss	46303000	USD
	us-gaap	Net Income Loss NetIncomeLoss	52869000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34322449	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34458520	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34382787	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34472232	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	362181	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	745582	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	34699497	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35207991	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	34744968	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	377048	shares
CY2018Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	749471	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.55
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.44
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.35
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.53
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.43
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.33
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.50
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2018Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	256	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	141834	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	161792	shares
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	101432000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	97636000	USD
CY2019Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	5412000	USD
CY2018Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	4679000	USD
CY2019Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	2441000	USD
CY2018Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	3499000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	109285000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	105814000	USD
CY2019Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	3216000	USD
CY2018Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	2180000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	10060000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	7007000	USD
CY2019Q3	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	489000	USD
CY2018Q3	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	523000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	1982000	USD
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	1160000	USD
CY2019Q3	exls	Other Miscellaneous Nonoperating Income Expense OtherMiscellaneousNonoperatingIncomeExpense	858000	USD
CY2018Q3	exls	Other Miscellaneous Nonoperating Income Expense OtherMiscellaneousNonoperatingIncomeExpense	-237000	USD
	exls	Other Miscellaneous Nonoperating Income Expense OtherMiscellaneousNonoperatingIncomeExpense	1046000	USD
	exls	Other Miscellaneous Nonoperating Income Expense OtherMiscellaneousNonoperatingIncomeExpense	65000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4563000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2466000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13088000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8232000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Gross Excluding Capital Leased Assets PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets	250955000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross Excluding Capital Leased Assets PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets	228850000	USD
CY2019Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Excluding Capital Leased Assets AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets	173127000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Excluding Capital Leased Assets AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets	155798000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net Excluding Capital Leased Assets PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets	77828000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net Excluding Capital Leased Assets PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets	73052000	USD
CY2019Q3	exls	Finance Lease Rightof Use Asset Gross FinanceLeaseRightofUseAssetGross	1755000	USD
CY2018Q4	exls	Finance Lease Rightof Use Asset Gross FinanceLeaseRightofUseAssetGross	1459000	USD
CY2019Q3	exls	Finance Lease Rightof Use Accumulated Amortization FinanceLeaseRightofUseAccumulatedAmortization	1112000	USD
CY2018Q4	exls	Finance Lease Rightof Use Accumulated Amortization FinanceLeaseRightofUseAccumulatedAmortization	1001000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	643000	USD
CY2018Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	458000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	78471000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Five FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFive	25468000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	73510000	USD
CY2019Q3	us-gaap	Depreciation Depreciation	7545000	USD
CY2018Q3	us-gaap	Depreciation Depreciation	7381000	USD
	us-gaap	Depreciation Depreciation	22882000	USD
	us-gaap	Depreciation Depreciation	20759000	USD
CY2019Q3	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	14212000	USD
CY2018Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	8783000	USD
CY2019Q3	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	4196000	USD
CY2018Q4	us-gaap	Capitalized Computer Software Accumulated Amortization CapitalizedComputerSoftwareAccumulatedAmortization	2393000	USD
CY2019Q3	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	10016000	USD
CY2018Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	6390000	USD
CY2019Q3	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	746000	USD
CY2018Q3	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	502000	USD
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	1952000	USD
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	974000	USD
CY2019Q3	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	0	USD
	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	2178000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	204481000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	163751000	USD
CY2018	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-1728000	USD
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-2291000	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	14229000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	349984000	USD
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-454000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	349530000	USD
CY2018Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	14229000	USD
CY2018Q4	us-gaap	Goodwill Fair Value Disclosure GoodwillFairValueDisclosure	0	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	160317000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	82372000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	77945000	USD
CY2019Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	161217000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	82372000	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	78845000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	181272000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	80850000	USD
CY2018Q4	exls	Finite Lived Intangible Assets Accumulated Impairment FiniteLivedIntangibleAssetsAccumulatedImpairment	5827000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	94595000	USD
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	182172000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	80850000	USD
CY2018Q4	exls	Finite Lived Intangible Assets Accumulated Impairment FiniteLivedIntangibleAssetsAccumulatedImpairment	5827000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	95495000	USD
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5502000	USD
CY2018Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6718000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	16584000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14426000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	4963000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Rolling Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths	14422000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Two FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearTwo	12731000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Three FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearThree	11325000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Four FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFour	9036000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	77945000	USD
CY2019Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	3127000	USD
CY2018Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	4059000	USD
CY2019Q3	us-gaap	Supplies Supplies	1824000	USD
CY2018Q4	us-gaap	Supplies Supplies	2910000	USD
CY2019Q3	exls	Service Taxes Receivable Current ServiceTaxesReceivableCurrent	16490000	USD
CY2018Q4	exls	Service Taxes Receivable Current ServiceTaxesReceivableCurrent	14145000	USD
CY2019Q3	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	1190000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	1201000	USD
CY2019Q3	exls	Deferred Contract Acquisition Costs Current DeferredContractAcquisitionCostsCurrent	1164000	USD
CY2018Q4	exls	Deferred Contract Acquisition Costs Current DeferredContractAcquisitionCostsCurrent	1236000	USD
CY2019Q3	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	4179000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	4689000	USD
CY2019Q3	us-gaap	Other Assets Current OtherAssetsCurrent	27974000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	28240000	USD
CY2019Q3	us-gaap	Security Deposit SecurityDeposit	9118000	USD
CY2018Q4	us-gaap	Security Deposit SecurityDeposit	8891000	USD
CY2019Q3	us-gaap	Derivative Assets DerivativeAssets	2734000	USD
CY2018Q4	us-gaap	Derivative Assets DerivativeAssets	1971000	USD
CY2019Q3	us-gaap	Deposit Assets DepositAssets	6264000	USD
CY2018Q4	us-gaap	Deposit Assets DepositAssets	6259000	USD
CY2019Q3	us-gaap	Time Deposits At Carrying Value TimeDepositsAtCarryingValue	426000	USD
CY2018Q4	us-gaap	Time Deposits At Carrying Value TimeDepositsAtCarryingValue	315000	USD
CY2019Q3	us-gaap	Contract With Customer Asset Gross Noncurrent ContractWithCustomerAssetGrossNoncurrent	3338000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Gross Noncurrent ContractWithCustomerAssetGrossNoncurrent	4244000	USD
CY2019Q3	exls	Deferred Contract Acquisition Costs Non Current DeferredContractAcquisitionCostsNonCurrent	5173000	USD
CY2018Q4	exls	Deferred Contract Acquisition Costs Non Current DeferredContractAcquisitionCostsNonCurrent	2815000	USD
CY2019Q3	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	5914000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	6520000	USD
CY2019Q3	us-gaap	Other Assets OtherAssets	32967000	USD
CY2018Q4	us-gaap	Other Assets OtherAssets	31015000	USD
CY2019Q3	exls	Accrued Expenses Current AccruedExpensesCurrent	50276000	USD
CY2018Q4	exls	Accrued Expenses Current AccruedExpensesCurrent	44711000	USD
CY2019Q3	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	2049000	USD
CY2018Q4	us-gaap	Derivative Instruments And Hedges Liabilities DerivativeInstrumentsAndHedgesLiabilities	3204000	USD
CY2019Q3	us-gaap	Payables To Customers PayablesToCustomers	5672000	USD
CY2018Q4	us-gaap	Payables To Customers PayablesToCustomers	6933000	USD
CY2019Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	11879000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	9321000	USD
CY2019Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	69876000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	64169000	USD
CY2019Q3	us-gaap	Derivative Instruments And Hedges Liabilities Noncurrent DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent	1884000	USD
CY2018Q4	us-gaap	Derivative Instruments And Hedges Liabilities Noncurrent DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent	3075000	USD
CY2019Q3	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	804000	USD
CY2018Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	804000	USD
CY2019Q3	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	0	USD
CY2018Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	7834000	USD
CY2019Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	2239000	USD
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	3616000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	2316000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	945000	USD
CY2019Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1998000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	247000	USD
CY2019Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	9241000	USD
CY2018Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	16521000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-88925000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-84105000	USD
CY2019Q3	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	2019000	USD
CY2018Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	-333000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-753000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-971000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-86153000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-83467000	USD
	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	1302000	USD
	us-gaap	Maximum Length Of Time Hedged In Cash Flow Hedge1 MaximumLengthOfTimeHedgedInCashFlowHedge1	P45M
CY2019Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	167542000	USD
CY2018Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	152157000	USD
CY2019Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	29590000	USD
CY2018Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	28704000	USD
CY2019Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	18302000	USD
CY2018Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	16490000	USD
CY2019Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13047000	USD
CY2018Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	14099000	USD
CY2019Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1009000	USD
CY2018Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1385000	USD
CY2019Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1009000	USD
CY2018Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1385000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	487228000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	429907000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	93349000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	85610000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	53996000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	45593000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	39466000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	35185000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3471000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3414000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3471000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	3414000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	0	USD
CY2018Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-580000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	0	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	20000000	USD
	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	0.04
CY2019Q3	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	779000	USD
CY2018Q3	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	645000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	5658000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	22693000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	31000000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	51000000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	150000000	USD
CY2019Q3	us-gaap	Long Term Debt LongTermDebt	260351000	USD
CY2019Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	461000	USD
CY2018Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	0	USD
	exls	Number Of Classes Of Common Stock Outstanding NumberOfClassesOfCommonStockOutstanding	1	ClassOfCommonStock
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	22666	shares
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	45646	shares
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1408000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2790000	USD
	us-gaap	Accelerated Share Repurchases Final Price Paid Per Share AcceleratedShareRepurchasesFinalPricePaidPerShare	62.11
	us-gaap	Accelerated Share Repurchases Final Price Paid Per Share AcceleratedShareRepurchasesFinalPricePaidPerShare	61.12
CY2019Q3	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	488000	USD
CY2018Q3	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	431000	USD
	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1468000	USD
	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	1293000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	219000	USD
CY2018Q3	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	173000	USD
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	659000	USD
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	526000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	142000	USD
CY2018Q3	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	117000	USD
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	428000	USD
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	359000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	40000	USD
CY2018Q3	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	37000	USD
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	119000	USD
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	114000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	525000	USD
CY2018Q3	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	450000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1580000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	1346000	USD
	exls	Defined Benefit Plan Expected Return On Plan Assets Percentage DefinedBenefitPlanExpectedReturnOnPlanAssetsPercentage	0.078
CY2018Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	7420000	USD
	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	356000	USD
	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1884000	USD
	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	670000	USD
	us-gaap	Defined Benefit Plan Plan Assets Foreign Currency Translation Gain Loss DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss	134000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	8856000	USD
	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2901000	USD
	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2630000	USD
CY2019Q3	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2793000	USD
CY2018Q3	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2003000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7507000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5670000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	88753000	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	23516000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	76080000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	99596000	USD
CY2019Q3	exls	Finance Lease Rightof Use Asset Gross FinanceLeaseRightofUseAssetGross	1755000	USD
CY2019Q3	exls	Finance Lease Rightof Use Accumulated Amortization FinanceLeaseRightofUseAccumulatedAmortization	1112000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	643000	USD
CY2019Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	248000	USD
CY2019Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	436000	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	684000	USD
CY2019Q3	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	USD
	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	989000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	68000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	198000	USD
CY2019Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	26000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	71000	USD
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	6843000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	20544000	USD
CY2019Q3	us-gaap	Sublease Income SubleaseIncome	29000	USD
	us-gaap	Sublease Income SubleaseIncome	134000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	6908000	USD
	us-gaap	Lease Cost LeaseCost	20679000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	18423000	USD
CY2018Q3	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	6596000	USD
CY2018Q4	exls	Capital Leases Future Minimum Payments Duein Rollingafter Year Six CapitalLeasesFutureMinimumPaymentsDueinRollingafterYearSix	0	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	114171000	USD
	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	19075000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	19428000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	71000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	274000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	31189000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	USD
CY2019Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y3M18D
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y10M24D
CY2019Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.087
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.072
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	6425000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	109000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	25436000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	304000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	22584000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	220000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	20481000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	110000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	673000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	135000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	81000	USD
CY2019Q3	exls	Lessee Operating Lease Liability Payments Due Year Six LesseeOperatingLeaseLiabilityPaymentsDueYearSix	13960000	USD
CY2019Q3	exls	Finance Lease Liability Payments Due Year Six FinanceLeaseLiabilityPaymentsDueYearSix	15000	USD
CY2019Q3	exls	Lessee Operating Lease Liability Payments Dueafter Year Six LesseeOperatingLeaseLiabilityPaymentsDueafterYearSix	23020000	USD
CY2019Q3	exls	Finance Lease Liability Payments Dueafter Year Six FinanceLeaseLiabilityPaymentsDueafterYearSix	0	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	130329000	USD
CY2019Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	839000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	30733000	USD
CY2019Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	155000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	99596000	USD
CY2019Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	684000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Next Rolling Twelve Months OperatingLeasesFutureMinimumPaymentsNextRollingTwelveMonths	23431000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Next Rolling Twelve Months CapitalLeasesFutureMinimumPaymentsNextRollingTwelveMonths	283000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Rolling Year Two OperatingLeasesFutureMinimumPaymentsDueInRollingYearTwo	20039000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Rolling Year Two CapitalLeasesFutureMinimumPaymentsDueInRollingYearTwo	163000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Rolling Year Three OperatingLeasesFutureMinimumPaymentsDueInRollingYearThree	16924000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Rolling Year Three CapitalLeasesFutureMinimumPaymentsDueInRollingYearThree	120000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Rolling Year Four OperatingLeasesFutureMinimumPaymentsDueInRollingYearFour	14804000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Rolling Year Four CapitalLeasesFutureMinimumPaymentsDueInRollingYearFour	58000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Rolling Year Five OperatingLeasesFutureMinimumPaymentsDueInRollingYearFive	12859000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Due In Rolling After Year Five CapitalLeasesFutureMinimumPaymentsDueInRollingAfterYearFive	49000	USD
CY2018Q4	exls	Operating Leases Future Minimum Payments Duein Rolling Year Six OperatingLeasesFutureMinimumPaymentsDueinRollingYearSix	11114000	USD
CY2018Q4	exls	Capital Leases Future Minimum Payments Duein Rolling Year Six CapitalLeasesFutureMinimumPaymentsDueinRollingYearSix	0	USD
CY2018Q4	exls	Operating Leases Future Minimum Payments Due After Year Six OperatingLeasesFutureMinimumPaymentsDueAfterYearSix	15000000	USD
CY2018Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	538000	USD
CY2018Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	223000	USD
CY2018Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	315000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5701000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5739000	USD
CY2018Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.273
CY2019Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.230
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12571000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6796000	USD
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	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.213
	exls	Tax Cutsand Jobs Act Measurement Period Adjustment Income Tax Expense Benefit TaxCutsandJobsActMeasurementPeriodAdjustmentIncomeTaxExpenseBenefit	-4836000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-5438000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-1094000	USD
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7427000	USD
CY2018Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5344000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	21538000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17311000	USD
CY2018Q4	us-gaap	Restructuring Reserve RestructuringReserve	0	USD
	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	3640000	USD
CY2019Q3	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	489000	USD
	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	4129000	USD
	us-gaap	Payments For Restructuring PaymentsForRestructuring	261000	USD
CY2019Q3	us-gaap	Payments For Restructuring PaymentsForRestructuring	1235000	USD
CY2019Q3	us-gaap	Restructuring Reserve RestructuringReserve	2633000	USD
CY2019Q3	us-gaap	Restructuring And Related Cost Expected Cost1 RestructuringAndRelatedCostExpectedCost1	5500000	USD
CY2019Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	3167000	USD
CY2019Q3	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	0	USD
CY2018Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	5000	USD
CY2019Q3	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	5906000	USD
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CY2018	us-gaap	Litigation Settlement Amount Awarded To Other Party LitigationSettlementAmountAwardedToOtherParty	2400000	USD
CY2018	us-gaap	Loss Contingency Accrual Payments LossContingencyAccrualPayments	1200000	USD
CY2019Q3	exls	Aggregate Disputed Amount Relatedto Transfer Pricingand Permanent Establishment AggregateDisputedAmountRelatedtoTransferPricingandPermanentEstablishment	16077000	USD
CY2018Q4	exls	Aggregate Disputed Amount Relatedto Transfer Pricingand Permanent Establishment AggregateDisputedAmountRelatedtoTransferPricingandPermanentEstablishment	18177000	USD
CY2019Q3	exls	Total Bank Guarantees And Deposits In Respect Of Contingencies TotalBankGuaranteesAndDepositsInRespectOfContingencies	8148000	USD
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CY2019Q3	exls	Amounts Paid As Deposits In Respect Of Contingencies AmountsPaidAsDepositsInRespectOfContingencies	6279000	USD
CY2018Q4	exls	Amounts Paid As Deposits In Respect Of Contingencies AmountsPaidAsDepositsInRespectOfContingencies	6272000	USD
CY2019Q3	exls	Bank Guarantee Issued BankGuaranteeIssued	1869000	USD
CY2018Q4	exls	Bank Guarantee Issued BankGuaranteeIssued	1899000	USD

Files In Submission

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$EXLS
ExlService Holdings, Inc. Stock $exls

2019 Q3 Form 10-Q Financial Statement

#000129798919000009 Filed on October 30, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXLS ExlService Holdings, Inc. Stock $exls

2019 Q3 Form 10-Q Financial Statement

#000129798919000009 Filed on October 30, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXLS
ExlService Holdings, Inc. Stock $exls