$BRO
BROWN & BROWN, INC. Stock $bro

$bro Overview Financials Valuation SEC Filings Company Website

2015 Q4 Form 10-K Financial Statement

#000007928216000034 Filed on February 26, 2016

Income Statement

Concept	2015 Q4	2014 Q4	2014 Q3
Revenue	$404.6M	$393.0M	$421.4M
YoY Change	2.95%	14.53%	17.29%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$211.5M	$208.3M	$208.8M
YoY Change	1.54%	11.27%	11.06%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$27.30M	$28.00M	$5.456M
YoY Change	-2.5%	25.0%	22.17%
% of Gross Profit
Operating Expenses	$309.6M	$354.6M	$308.7M
YoY Change	-12.7%	32.94%	17.01%
Operating Profit
YoY Change
Interest Expense	-$9.800M	-$10.00M	$7.298M
YoY Change	-2.0%	132.56%	76.49%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$95.04M	$38.45M	$112.7M
YoY Change	147.2%	-49.71%	18.05%
Income Tax	$37.10M	$14.10M	$44.35M
% Of Pretax Income	39.04%	36.67%	39.36%
Net Earnings	$57.94M	$24.40M	$68.33M
YoY Change	137.49%	-48.34%	18.32%
Net Earnings / Revenue	14.32%	6.21%	16.21%
Basic Earnings Per Share	$0.00	$0.00	$0.00
Diluted Earnings Per Share	$0.00	$0.00	$0.00
COMMON SHARES
Basic Shares Outstanding	141.0M shares		140.9M shares
Diluted Shares Outstanding			143.0M shares

Balance Sheet

Concept	2015 Q4	2014 Q4	2014 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$457.2M	$481.2M	$393.5M
YoY Change	-4.99%	125.28%	115.38%
Cash & Equivalents	$443.4M	$470.0M	$382.1M
Short-Term Investments	$13.70M	$11.20M	$11.50M
Other Short-Term Assets	$50.35M	$45.54M	$35.70M
YoY Change	10.56%	16.0%	33.19%
Inventory
Prepaid Expenses
Receivables	$433.9M	$424.5M	$392.3M
Other Receivables	$32.00M	$13.10M	$23.20M
Total Short-Term Assets	$1.537B	$1.570B	$1.486B
YoY Change	-2.08%	69.19%	76.11%
LONG-TERM ASSETS
Property, Plant & Equipment	$81.75M	$84.67M	$88.18M
YoY Change	-3.44%	13.29%	18.39%
Goodwill	$2.587B	$2.461B	$2.513B
YoY Change	5.12%	22.65%	26.2%
Intangibles	$744.7M	$784.6M	$805.7M
YoY Change	-5.09%	26.78%	28.85%
Long-Term Investments	$18.10M	$19.90M	$20.00M
YoY Change	-9.05%
Other Assets	$35.88M	$36.57M	$33.48M
YoY Change	-1.87%	68.81%	64.77%
Total Long-Term Assets	$3.442B	$3.376B	$3.460B
YoY Change	1.95%	24.07%	27.62%
TOTAL ASSETS
Total Short-Term Assets	$1.537B	$1.570B	$1.486B
Total Long-Term Assets	$3.442B	$3.376B	$3.460B
Total Assets	$4.980B	$4.947B	$4.946B
YoY Change	0.67%	35.54%	39.13%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$63.91M	$57.26M	$47.65M
YoY Change	11.61%	67.64%	12.22%
Accrued Expenses	$192.1M	$181.2M	$172.7M
YoY Change	6.02%	15.09%	19.83%
Deferred Revenue
YoY Change
Short-Term Debt	$25.00M	$25.00M	$0.00
YoY Change	0.0%
Long-Term Debt Due	$73.13M	$45.63M	$38.75M
YoY Change	60.27%	-54.38%	-61.25%
Total Short-Term Liabilities	$1.329B	$1.269B	$1.263B
YoY Change	4.68%	39.95%	46.56%
LONG-TERM LIABILITIES
Long-Term Debt	$1.072B	$1.153B	$1.160B
YoY Change	-7.05%	203.38%	205.18%
Other Long-Term Liabilities	$93.59M	$79.22M	$72.19M
YoY Change	18.14%	24.19%	12.87%
Total Long-Term Liabilities	$1.165B	$1.232B	$1.232B
YoY Change	-5.43%	177.63%	177.47%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.329B	$1.269B	$1.263B
Total Long-Term Liabilities	$1.165B	$1.232B	$1.232B
Total Liabilities	$2.494B	$2.501B	$2.495B
YoY Change	-0.3%	85.18%	91.07%
SHAREHOLDERS EQUITY
Retained Earnings	$1.947B	$1.768B	$1.760B
YoY Change	10.14%	9.11%	10.81%
Common Stock	$441.1M	$420.6M	$413.2M
YoY Change	4.89%	8.81%	9.66%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$238.8M	$75.03M	$67.53M
YoY Change	218.26%
Treasury Stock Shares	7.430M shares	2.385M shares	2.139M shares
Shareholders Equity	$2.150B	$2.114B	$2.105B
YoY Change
Total Liabilities & Shareholders Equity	$5.004B	$4.956B	$4.946B
YoY Change	0.97%	35.81%	39.13%

Cashflow Statement

Concept	2015 Q4	2014 Q4	2014 Q3
OPERATING ACTIVITIES
Net Income	$57.94M	$24.40M	$68.33M
YoY Change	137.49%	-48.34%	18.32%
Depreciation, Depletion And Amortization	$27.30M	$28.00M	$5.456M
YoY Change	-2.5%	25.0%	22.17%
Cash From Operating Activities	$121.2M	$99.60M	$107.8M
YoY Change	21.69%	25.28%	22.5%
INVESTING ACTIVITIES
Capital Expenditures	-$5.600M	-$4.700M	$7.612M
YoY Change	19.15%	-4.08%	75.8%
Acquisitions
YoY Change
Other Investing Activities	-$18.80M	$9.100M	$200.0K
YoY Change	-306.59%	-140.81%	-100.06%
Cash From Investing Activities	-$24.30M	$4.400M	-$7.400M
YoY Change	-652.27%	-116.18%	-97.75%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-102.2M	-16.10M	-27.30M
YoY Change	534.78%	-20.69%	-205.41%
NET CHANGE
Cash From Operating Activities	121.2M	99.60M	107.8M
Cash From Investing Activities	-24.30M	4.400M	-7.400M
Cash From Financing Activities	-102.2M	-16.10M	-27.30M
Net Change In Cash	-5.300M	87.90M	73.10M
YoY Change	-106.03%	174.69%	-134.08%
FREE CASH FLOW
Cash From Operating Activities	$121.2M	$99.60M	$107.8M
Capital Expenditures	-$5.600M	-$4.700M	$7.612M
Free Cash Flow	$126.8M	$104.3M	$100.2M
YoY Change	21.57%	23.58%	19.74%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2014Q4	bro	Accrued Rentand Vendor Expenses AccruedRentandVendorExpenses	29039000	USD
CY2015Q4	bro	Accrued Rentand Vendor Expenses AccruedRentandVendorExpenses	29225000	USD
CY2013	bro	Additions To Estimated Acquisition Earn Out Payables AdditionsToEstimatedAcquisitionEarnOutPayables	5816000	USD
CY2014	bro	Additions To Estimated Acquisition Earn Out Payables AdditionsToEstimatedAcquisitionEarnOutPayables	34356000	USD
CY2015	bro	Additions To Estimated Acquisition Earn Out Payables AdditionsToEstimatedAcquisitionEarnOutPayables	36899000	USD
CY2015	bro	Attainment Age Of Stock Plan AttainmentAgeOfStockPlan	attainment of age 64
CY2014Q4	bro	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses Accumulated In Aoci AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInAoci	0	USD
CY2015Q4	bro	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses Accumulated In Aoci AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLossesAccumulatedInAoci	2000	USD
CY2014Q4	bro	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Accumulated In Aoci AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInAoci	12000	USD
CY2015Q4	bro	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses Accumulated In Aoci AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLossesAccumulatedInAoci	40000	USD
CY2014Q4	bro	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Aoci AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInAoci	12000	USD
CY2015Q4	bro	Availableforsale Securities Continuous Unrealized Loss Position Aggregate Losses Accumulated In Aoci AvailableforsaleSecuritiesContinuousUnrealizedLossPositionAggregateLossesAccumulatedInAoci	42000	USD
CY2015	bro	Average Annual Operating Profit Earned Period Maximum AverageAnnualOperatingProfitEarnedPeriodMaximum	P3Y
CY2015	bro	Average Annual Operating Profit Earned Period Minimum AverageAnnualOperatingProfitEarnedPeriodMinimum	P1Y
CY2013Q4	bro	Business Acquisition Cost Of Acquired Entity Other Payable BusinessAcquisitionCostOfAcquiredEntityOtherPayable	552000	USD
CY2014Q4	bro	Business Acquisition Cost Of Acquired Entity Other Payable BusinessAcquisitionCostOfAcquiredEntityOtherPayable	1904000	USD
CY2015Q4	bro	Business Acquisition Cost Of Acquired Entity Other Payable BusinessAcquisitionCostOfAcquiredEntityOtherPayable	10028000	USD
CY2013	bro	Business Acquisition Earn Out Payable After Change In Additions And Payments BusinessAcquisitionEarnOutPayableAfterChangeInAdditionsAndPayments	40525000	USD
CY2014	bro	Business Acquisition Earn Out Payable After Change In Additions And Payments BusinessAcquisitionEarnOutPayableAfterChangeInAdditionsAndPayments	65345000	USD
CY2015	bro	Business Acquisition Earn Out Payable After Change In Additions And Payments BusinessAcquisitionEarnOutPayableAfterChangeInAdditionsAndPayments	75384000	USD
CY2012Q4	bro	Business Acquisition Earn Out Payables BusinessAcquisitionEarnOutPayables	52987000	USD
CY2013Q4	bro	Business Acquisition Earn Out Payables BusinessAcquisitionEarnOutPayables	43058000	USD
CY2014Q4	bro	Business Acquisition Earn Out Payables BusinessAcquisitionEarnOutPayables	75283000	USD
CY2014Q4	bro	Business Acquisition Earn Out Payables BusinessAcquisitionEarnOutPayables	75300000	USD
CY2015Q4	bro	Business Acquisition Earn Out Payables BusinessAcquisitionEarnOutPayables	78387000	USD
CY2013Q4	bro	Business Acquisition Purchase Price Allocation Current Assets Prepaid Expenses And Other Assets BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpensesAndOtherAssets	59598000	USD
CY2014Q4	bro	Business Acquisition Purchase Price Allocation Current Assets Prepaid Expenses And Other Assets BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpensesAndOtherAssets	20964000	USD
CY2015Q4	bro	Business Acquisition Purchase Price Allocation Current Assets Prepaid Expenses And Other Assets BusinessAcquisitionPurchasePriceAllocationCurrentAssetsPrepaidExpensesAndOtherAssets	3640000	USD
CY2013Q4	bro	Business Acquisition Purchase Price Allocation Goodwill Non Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillNonDeductibleAmount	249200000	USD
CY2014Q4	bro	Business Acquisition Purchase Price Allocation Goodwill Non Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillNonDeductibleAmount	338800000	USD
CY2015Q4	bro	Business Acquisition Purchase Price Allocation Goodwill Non Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillNonDeductibleAmount	8400000	USD
CY2013Q4	bro	Business Acquisition Purchase Price Allocation Other Liabilities Assumed BusinessAcquisitionPurchasePriceAllocationOtherLiabilitiesAssumed	2165000	USD
CY2014Q4	bro	Business Acquisition Purchase Price Allocation Other Liabilities Assumed BusinessAcquisitionPurchasePriceAllocationOtherLiabilitiesAssumed	32366000	USD
CY2015Q4	bro	Business Acquisition Purchase Price Allocation Other Liabilities Assumed BusinessAcquisitionPurchasePriceAllocationOtherLiabilitiesAssumed	1565000	USD
CY2014Q4	bro	Business Acquisition Purchase Price Allocation Prepaid Reinsurance Premiums BusinessAcquisitionPurchasePriceAllocationPrepaidReinsurancePremiums	289013000	USD
CY2014Q4	bro	Business Acquisition Purchase Price Allocation Reinsurance Recoverables BusinessAcquisitionPurchasePriceAllocationReinsuranceRecoverables	25238000	USD
CY2014Q4	bro	Business Acquisition Purchase Price Allocation Unearned Premium BusinessAcquisitionPurchasePriceAllocationUnearnedPremium	289013000	USD
CY2013Q4	bro	Business Acquisitions Contingent Consideration At Fair Value BusinessAcquisitionsContingentConsiderationAtFairValue	5091000	USD
CY2014Q4	bro	Business Acquisitions Contingent Consideration At Fair Value BusinessAcquisitionsContingentConsiderationAtFairValue	33229000	USD
CY2015Q4	bro	Business Acquisitions Contingent Consideration At Fair Value BusinessAcquisitionsContingentConsiderationAtFairValue	36899000	USD
CY2013	bro	Business Acquisitions Purchase Price Allocation Adjustment Purchase Price BusinessAcquisitionsPurchasePriceAllocationAdjustmentPurchasePrice	504300	USD
CY2014	bro	Business Acquisitions Purchase Price Allocation Adjustment Purchase Price BusinessAcquisitionsPurchasePriceAllocationAdjustmentPurchasePrice	25941	USD
CY2015	bro	Business Acquisitions Purchase Price Allocation Adjustment Purchase Price BusinessAcquisitionsPurchasePriceAllocationAdjustmentPurchasePrice	503442	USD
CY2013Q4	bro	Business Acquisitions Purchase Price Allocation Amortizable Intangible Assets BusinessAcquisitionsPurchasePriceAllocationAmortizableIntangibleAssets	118983000	USD
CY2014Q4	bro	Business Acquisitions Purchase Price Allocation Amortizable Intangible Assets BusinessAcquisitionsPurchasePriceAllocationAmortizableIntangibleAssets	260424000	USD
CY2015Q4	bro	Business Acquisitions Purchase Price Allocation Amortizable Intangible Assets BusinessAcquisitionsPurchasePriceAllocationAmortizableIntangibleAssets	53392000	USD
CY2014Q4	bro	Business Acquisitions Purchase Price Allocation Losses And Loss Adjustment Expense BusinessAcquisitionsPurchasePriceAllocationLossesAndLossAdjustmentExpense	25238000	USD
CY2013Q4	bro	Business Acquisitions Purchase Price Allocation Noncompete Agreements Gross BusinessAcquisitionsPurchasePriceAllocationNoncompeteAgreementsGross	2886000	USD
CY2014Q4	bro	Business Acquisitions Purchase Price Allocation Noncompete Agreements Gross BusinessAcquisitionsPurchasePriceAllocationNoncompeteAgreementsGross	1194000	USD
CY2015Q4	bro	Business Acquisitions Purchase Price Allocation Noncompete Agreements Gross BusinessAcquisitionsPurchasePriceAllocationNoncompeteAgreementsGross	328000	USD
CY2013Q4	bro	Business Acquisitions Purchase Price Allocation Other Noncurrent Assets BusinessAcquisitionsPurchasePriceAllocationOtherNoncurrentAssets	108000	USD
CY2014Q4	bro	Business Acquisitions Purchase Price Allocation Other Noncurrent Assets BusinessAcquisitionsPurchasePriceAllocationOtherNoncurrentAssets	20045000	USD
CY2015Q4	bro	Business Acquisitions Purchase Price Allocation Other Noncurrent Assets BusinessAcquisitionsPurchasePriceAllocationOtherNoncurrentAssets	14000	USD
CY2013	bro	Business Combination Pro Forma Information Income Loss Before Income Taxes Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationIncomeLossBeforeIncomeTaxesOfAcquireeSinceAcquisitionDateActual	900000	USD
CY2014	bro	Business Combination Pro Forma Information Income Loss Before Income Taxes Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationIncomeLossBeforeIncomeTaxesOfAcquireeSinceAcquisitionDateActual	-1300000	USD
CY2015	bro	Business Combination Pro Forma Information Income Loss Before Income Taxes Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationIncomeLossBeforeIncomeTaxesOfAcquireeSinceAcquisitionDateActual	1500000	USD
CY2013	bro	Change In Estimated Acquisition Earn Out Payable ChangeInEstimatedAcquisitionEarnOutPayable	2533000	USD
CY2014	bro	Change In Estimated Acquisition Earn Out Payable ChangeInEstimatedAcquisitionEarnOutPayable	9938000	USD
CY2015	bro	Change In Estimated Acquisition Earn Out Payable ChangeInEstimatedAcquisitionEarnOutPayable	3003000	USD
CY2013	bro	Change In Fair Value Estimated Acquisition Earn Out Payables ChangeInFairValueEstimatedAcquisitionEarnOutPayables	570000	USD
CY2014	bro	Change In Fair Value Estimated Acquisition Earn Out Payables ChangeInFairValueEstimatedAcquisitionEarnOutPayables	7375000	USD
CY2015	bro	Change In Fair Value Estimated Acquisition Earn Out Payables ChangeInFairValueEstimatedAcquisitionEarnOutPayables	2990000	USD
CY2014Q4	bro	Changein Cashand Cash Equivalentsduetoreclassfrom Restricted Cash ChangeinCashandCashEquivalentsduetoreclassfromRestrictedCash	32200000	USD
CY2015Q4	bro	Changein Cashand Cash Equivalentsduetoreclassfrom Restricted Cash ChangeinCashandCashEquivalentsduetoreclassfromRestrictedCash	33000000	USD
CY2014	bro	Common Stock Issuedto Directors CommonStockIssuedtoDirectors	320000	shares
CY2015	bro	Common Stock Issuedto Directors CommonStockIssuedtoDirectors	500000	shares
CY2015	bro	Debt Instrument Revolving And Term Loan DebtInstrumentRevolvingAndTermLoan	529400000	USD
CY2014Q4	bro	Deferred Tax Assets Operating Loss Carryforwards Current DeferredTaxAssetsOperatingLossCarryforwardsCurrent	951000	USD
CY2015Q4	bro	Deferred Tax Assets Operating Loss Carryforwards Current DeferredTaxAssetsOperatingLossCarryforwardsCurrent	10000	USD
CY2013	bro	Deferred Tax Provision DeferredTaxProvision	32247000	USD
CY2014	bro	Deferred Tax Provision DeferredTaxProvision	7369000	USD
CY2015	bro	Deferred Tax Provision DeferredTaxProvision	22696000	USD
CY2014Q4	bro	Deferredprofitsharingcontingentcommissions Deferredprofitsharingcontingentcommissions	10335000	USD
CY2015Q4	bro	Deferredprofitsharingcontingentcommissions Deferredprofitsharingcontingentcommissions	9767000	USD
CY2015	bro	Discretionary Profit Sharing Contribution Percentageof Employees Salary DiscretionaryProfitSharingContributionPercentageofEmployeesSalary	0.015
CY2013Q4	bro	Earn Out Payable Not Deductible Until Earned Paid EarnOutPayableNotDeductibleUntilEarnedPaid	5100000	USD
CY2014Q4	bro	Earn Out Payable Not Deductible Until Earned Paid EarnOutPayableNotDeductibleUntilEarnedPaid	33200000	USD
CY2015Q4	bro	Earn Out Payable Not Deductible Until Earned Paid EarnOutPayableNotDeductibleUntilEarnedPaid	36900000	USD
CY2013	bro	Employee Compensation And Benefits EmployeeCompensationAndBenefits	683000000	USD
CY2014	bro	Employee Compensation And Benefits EmployeeCompensationAndBenefits	791749000	USD
CY2015	bro	Employee Compensation And Benefits EmployeeCompensationAndBenefits	841439000	USD
CY2013	bro	Increase Decrease For Loss And Loss Adjustment Expense IncreaseDecreaseForLossAndLossAdjustmentExpense	0	USD
CY2014	bro	Increase Decrease For Loss And Loss Adjustment Expense IncreaseDecreaseForLossAndLossAdjustmentExpense	-12210000	USD
CY2015	bro	Increase Decrease For Loss And Loss Adjustment Expense IncreaseDecreaseForLossAndLossAdjustmentExpense	18940000	USD
CY2013	bro	Increase Decrease In Premium Deposits And Credits Due Customers Decrease Increase IncreaseDecreaseInPremiumDepositsAndCreditsDueCustomersDecreaseIncrease	41049000	USD
CY2014	bro	Increase Decrease In Premium Deposits And Credits Due Customers Decrease Increase IncreaseDecreaseInPremiumDepositsAndCreditsDueCustomersDecreaseIncrease	2323000	USD
CY2015	bro	Increase Decrease In Premium Deposits And Credits Due Customers Decrease Increase IncreaseDecreaseInPremiumDepositsAndCreditsDueCustomersDecreaseIncrease	-2973000	USD
CY2013	bro	Increase Decrease In Premiums Commission And Fees Receivable IncreaseDecreaseInPremiumsCommissionAndFeesReceivable	40729000	USD
CY2014	bro	Increase Decrease In Premiums Commission And Fees Receivable IncreaseDecreaseInPremiumsCommissionAndFeesReceivable	11160000	USD
CY2015	bro	Increase Decrease In Premiums Commission And Fees Receivable IncreaseDecreaseInPremiumsCommissionAndFeesReceivable	7163000	USD
CY2013	bro	Increase Decrease In Premiums Payable To Insurance Companies IncreaseDecreaseInPremiumsPayableToInsuranceCompanies	61624000	USD
CY2014	bro	Increase Decrease In Premiums Payable To Insurance Companies IncreaseDecreaseInPremiumsPayableToInsuranceCompanies	8164000	USD
CY2015	bro	Increase Decrease In Premiums Payable To Insurance Companies IncreaseDecreaseInPremiumsPayableToInsuranceCompanies	542000	USD
CY2015Q4	bro	Incremental Increases In Average Stock Price From Initial Grant Price IncrementalIncreasesInAverageStockPriceFromInitialGrantPrice	0.2
CY2015Q4	bro	Maximum Future Contingencypayments Acquisitions MaximumFutureContingencypaymentsAcquisitions	137400000	USD
CY2015Q4	bro	Maximum Number Of Shares Available To Be Granted Under Award Stock Plan MaximumNumberOfSharesAvailableToBeGrantedUnderAwardStockPlan	14400000	shares
CY2013	bro	Net Income Attributable To Unvested Awarded Performance Stock NetIncomeAttributableToUnvestedAwardedPerformanceStock	5446000	USD
CY2014	bro	Net Income Attributable To Unvested Awarded Performance Stock NetIncomeAttributableToUnvestedAwardedPerformanceStock	5186000	USD
CY2015	bro	Net Income Attributable To Unvested Awarded Performance Stock NetIncomeAttributableToUnvestedAwardedPerformanceStock	5695000	USD
CY2013	bro	Net Loss Gain On Sales Of Investments Fixed Assets And Customer Accounts NetLossGainOnSalesOfInvestmentsFixedAssetsAndCustomerAccounts	2806000	USD
CY2014	bro	Net Loss Gain On Sales Of Investments Fixed Assets And Customer Accounts NetLossGainOnSalesOfInvestmentsFixedAssetsAndCustomerAccounts	-42465000	USD
CY2015	bro	Net Loss Gain On Sales Of Investments Fixed Assets And Customer Accounts NetLossGainOnSalesOfInvestmentsFixedAssetsAndCustomerAccounts	107000	USD
CY2014Q4	bro	Net Unrealized Holding Gainon Availablefor Sale Securities NetUnrealizedHoldingGainonAvailableforSaleSecurities	56000	USD
CY2015Q4	bro	Net Unrealized Holding Gainon Availablefor Sale Securities NetUnrealizedHoldingGainonAvailableforSaleSecurities	-9000	USD
CY2014Q4	bro	Non Current Deferred Tax Liability NonCurrentDeferredTaxLiability	375362000	USD
CY2015Q4	bro	Non Current Deferred Tax Liability NonCurrentDeferredTaxLiability	401827000	USD
CY2013	bro	Notes Receivable On Sale Of Fixed Assets And Customer Accounts NotesReceivableOnSaleOfFixedAssetsAndCustomerAccounts	1108000	USD
CY2014	bro	Notes Receivable On Sale Of Fixed Assets And Customer Accounts NotesReceivableOnSaleOfFixedAssetsAndCustomerAccounts	6340000	USD
CY2015	bro	Notes Receivable On Sale Of Fixed Assets And Customer Accounts NotesReceivableOnSaleOfFixedAssetsAndCustomerAccounts	7755000	USD
CY2015	bro	Number Of Reinsurers NumberOfReinsurers	3	Reinsurer
CY2015	bro	Operating Loss Carryforward Expiration Date OperatingLossCarryforwardExpirationDate	2034
CY2015Q4	bro	Operating Loss Carryforwards State OperatingLossCarryforwardsState	61217003	USD
CY2013Q4	bro	Other Payables OtherPayables	1425000	USD
CY2014Q4	bro	Other Payables OtherPayables	1930000	USD
CY2015Q4	bro	Other Payables OtherPayables	10029000	USD
CY2013	bro	Payments For Estimated Acquisition Earn Out Payables PaymentsForEstimatedAcquisitionEarnOutPayables	-18278000	USD
CY2014	bro	Payments For Estimated Acquisition Earn Out Payables PaymentsForEstimatedAcquisitionEarnOutPayables	-12069000	USD
CY2015	bro	Payments For Estimated Acquisition Earn Out Payables PaymentsForEstimatedAcquisitionEarnOutPayables	-36798000	USD
CY2013	bro	Payments On Acquisition Earn Outs PaymentsOnAcquisitionEarnOuts	15491000	USD
CY2014	bro	Payments On Acquisition Earn Outs PaymentsOnAcquisitionEarnOuts	9530000	USD
CY2015	bro	Payments On Acquisition Earn Outs PaymentsOnAcquisitionEarnOuts	25415000	USD
CY2013	bro	Payments On Acquisition Earn Outs In Excess Of Original Estimated Payables PaymentsOnAcquisitionEarnOutsInExcessOfOriginalEstimatedPayables	2788000	USD
CY2014	bro	Payments On Acquisition Earn Outs In Excess Of Original Estimated Payables PaymentsOnAcquisitionEarnOutsInExcessOfOriginalEstimatedPayables	2539000	USD
CY2015	bro	Payments On Acquisition Earn Outs In Excess Of Original Estimated Payables PaymentsOnAcquisitionEarnOutsInExcessOfOriginalEstimatedPayables	11383000	USD
CY2015Q4	bro	Percentage Of Ceded Premiums PercentageOfCededPremiums	1
CY2014Q4	bro	Premium Deposits And Credits Due Customers PremiumDepositsAndCreditsDueCustomers	83313000	USD
CY2015Q4	bro	Premium Deposits And Credits Due Customers PremiumDepositsAndCreditsDueCustomers	83098000	USD
CY2014Q4	bro	Premiums Commissions And Fees Receivable PremiumsCommissionsAndFeesReceivable	424547000	USD
CY2015Q4	bro	Premiums Commissions And Fees Receivable PremiumsCommissionsAndFeesReceivable	433885000	USD
CY2014Q4	bro	Premiums Payable To Insurance Companies PremiumsPayableToInsuranceCompanies	568184000	USD
CY2015Q4	bro	Premiums Payable To Insurance Companies PremiumsPayableToInsuranceCompanies	574736000	USD
CY2013	bro	Recorded Earn Out Payable RecordedEarnOutPayable	5091000	USD
CY2014	bro	Recorded Earn Out Payable RecordedEarnOutPayable	33229000	USD
CY2015	bro	Recorded Earn Out Payable RecordedEarnOutPayable	36899000	USD
CY2013	bro	Repurchase Of Stock Benefit Plan Shares For Employees To Fund Tax Withholdings RepurchaseOfStockBenefitPlanSharesForEmployeesToFundTaxWithholdings	1284000	USD
CY2014	bro	Repurchase Of Stock Benefit Plan Shares For Employees To Fund Tax Withholdings RepurchaseOfStockBenefitPlanSharesForEmployeesToFundTaxWithholdings	3252000	USD
CY2015	bro	Repurchase Of Stock Benefit Plan Shares For Employees To Fund Tax Withholdings RepurchaseOfStockBenefitPlanSharesForEmployeesToFundTaxWithholdings	2857000	USD
CY2014Q4	bro	Reserve For Losses And Loss Adjustment Expenses For Reinsurance Liability ReserveForLossesAndLossAdjustmentExpensesForReinsuranceLiability	13000000	USD
CY2015Q4	bro	Reserve For Losses And Loss Adjustment Expenses For Reinsurance Liability ReserveForLossesAndLossAdjustmentExpensesForReinsuranceLiability	32000000	USD
CY2014Q4	bro	Reserveforpolicycancellations Reserveforpolicycancellations	9074000	USD
CY2015Q4	bro	Reserveforpolicycancellations Reserveforpolicycancellations	9617000	USD
CY2015	bro	Service Period Eligibleto Participatefor Employee Savings Plan ServicePeriodEligibletoParticipateforEmployeeSavingsPlan	30	USD
CY2015Q4	bro	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Awarded Shares Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAwardedSharesOutstandingNumber	1594214	shares
CY2015Q4	bro	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Distributed Shares Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsDistributedSharesOutstandingNumber	3664493	shares
CY2015Q4	bro	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Shares Not Yet Awarded Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsSharesNotYetAwardedOutstandingNumber	8000	shares
CY2014Q2	bro	Unsecured Revolving Credit Facility UnsecuredRevolvingCreditFacility	800000000.0	USD
CY2015	dei	Amendment Flag AmendmentFlag	false
CY2015	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2015	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2015	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
CY2015	dei	Document Period End Date DocumentPeriodEndDate	2015-12-31
CY2015	dei	Document Type DocumentType	10-K
CY2015	dei	Entity Central Index Key EntityCentralIndexKey	0000079282
CY2016Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	138616818	shares
CY2015	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2015	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2015Q2	dei	Entity Public Float EntityPublicFloat	3818857004	USD
CY2015	dei	Entity Registrant Name EntityRegistrantName	BROWN & BROWN INC
CY2015	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2015	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2015	dei	Trading Symbol TradingSymbol	BRO
CY2015	invest	Investment Maturity Date Range End1 InvestmentMaturityDateRangeEnd1	2015-12-31
CY2014Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	57261000	USD
CY2015Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	63910000	USD
CY2014Q4	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	76891000	USD
CY2015Q4	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	76210000	USD
CY2014Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	36241000	USD
CY2015Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	39366000	USD
CY2014Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	181156000	USD
CY2015Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	192067000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	110640000	USD
CY2015Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	123431000	USD
CY2014Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	405982000	USD
CY2015Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	426498000	USD
CY2013	us-gaap	Adjustment For Amortization AdjustmentForAmortization	67932000	USD
CY2014	us-gaap	Adjustment For Amortization AdjustmentForAmortization	82941000	USD
CY2015	us-gaap	Adjustment For Amortization AdjustmentForAmortization	87421000	USD
CY2013	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	2358000	USD
CY2014	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	3298000	USD
CY2015	us-gaap	Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet	3276000	USD
CY2013	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
CY2014	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	46000	USD
CY2015	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	157000	USD
CY2013	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	1963000	USD
CY2014	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2563000	USD
CY2015	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	13000	USD
CY2013Q4	us-gaap	Assets Assets	3649508000	USD
CY2014Q4	us-gaap	Assets Assets	4956458000	USD
CY2015Q4	us-gaap	Assets Assets	5012739000	USD
CY2014Q4	us-gaap	Assets Current AssetsCurrent	1570108000	USD
CY2015Q4	us-gaap	Assets Current AssetsCurrent	1537389000	USD
CY2015Q4	us-gaap	Assets Held By Insurance Regulators AssetsHeldByInsuranceRegulators	4000000	USD
CY2015	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	18000	USD
CY2015	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	0	USD
CY2014Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	53000	USD
CY2015Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	40000	USD
CY2014Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	19821000	USD
CY2015Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	18094000	USD
CY2014Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	19862000	USD
CY2015Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	18092000	USD
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	12000	USD
CY2015Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	42000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	8483000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	12063000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	8483000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	11779000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	284000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	330000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	330000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	337000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	329000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	13863000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	12038000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	13897000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	12041000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	5628000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	5726000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5628000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	5722000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	19821000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	18094000	USD
CY2014Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	19862000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	18092000	USD
CY2015	us-gaap	Available For Sale Securities Restrictions Additional Information AvailableForSaleSecuritiesRestrictionsAdditionalInformation	insignificant
CY2014Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	38	Securities
CY2015Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	35	Securities
CY2013Q4	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	41600000	USD
CY2014Q4	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	141900000	USD
CY2015Q4	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	91100000	USD
CY2013Q4	us-gaap	Business Combination Contingent Consideration Arrangements Range Of Outcomes Value High BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh	16768000	USD
CY2014Q4	us-gaap	Business Combination Contingent Consideration Arrangements Range Of Outcomes Value High BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh	49462000	USD
CY2015Q4	us-gaap	Business Combination Contingent Consideration Arrangements Range Of Outcomes Value High BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh	73074000	USD
CY2013	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	63800000	USD
CY2014	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	112200000	USD
CY2015	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	28200000	USD
CY2013Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	519794000	USD
CY2014Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	1165141000	USD
CY2015Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	194129000	USD
CY2013Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents	40360000	USD
CY2014Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents	25365000	USD
CY2013Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Other BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther	81150000	USD
CY2014Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Other BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther	14974000	USD
CY2015Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Other BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther	12213000	USD
CY2013Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	106079000	USD
CY2014Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	408157000	USD
CY2015Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	11202000	USD
CY2013Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet	413715000	USD
CY2014Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet	756984000	USD
CY2015Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet	182927000	USD
CY2013Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment	1915000	USD
CY2014Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment	8973000	USD
CY2015Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment	374000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	219821000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	202952000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	470048000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	443420000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-16869000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	267096000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-26628000	USD
CY2015	us-gaap	Ceded Premiums Earned CededPremiumsEarned	610750000	USD
CY2015	us-gaap	Ceded Premiums Written CededPremiumsWritten	599807000	USD
CY2013	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.0037
CY2014	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.0041
CY2015	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.0045
CY2013	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.37
CY2014	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.41
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
CY2015Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	280000000	shares
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	280000000	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	145871000	shares
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	146415000	shares
CY2014Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	143486000	shares
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	138985000	shares
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	14587000	USD
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	14642000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	94007000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	109893000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	118490000	USD
CY2013	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	805000	USD
CY2014	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	109000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	430000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	108250000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	125484000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	136545000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	13438000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	15482000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	17625000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	28469000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5987000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	18416000	USD
CY2013	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	55000	USD
CY2014	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-58000	USD
CY2015	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	141033000	shares
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	32247000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7369000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	22696000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	3723000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1440000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	4280000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	25431000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	24635000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	33865000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	40878000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	25431000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	24635000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2796000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2518000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	31580000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	38966000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	14145000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	14858000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	511000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	606000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	22764000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	46566000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	-2576000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	364938000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	393251000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	341497000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	360949000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	10368000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8585000	USD
CY2013	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	14800000	USD
CY2014	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	15800000	USD
CY2015	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	17800000	USD
CY2013	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.025
CY2015	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.040
CY2013	us-gaap	Depreciation Depreciation	17500000	USD
CY2013	us-gaap	Depreciation Depreciation	17485000	USD
CY2014	us-gaap	Depreciation Depreciation	20895000	USD
CY2014	us-gaap	Depreciation Depreciation	20900000	USD
CY2015	us-gaap	Depreciation Depreciation	20890000	USD
CY2015	us-gaap	Depreciation Depreciation	20900000	USD
CY2015	us-gaap	Direct Premiums Earned DirectPremiumsEarned	610753000	USD
CY2015	us-gaap	Direct Premiums Written DirectPremiumsWritten	599828000	USD
CY2013	us-gaap	Dividends Cash DividendsCash	53546000	USD
CY2014	us-gaap	Dividends Cash DividendsCash	59334000	USD
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.0043
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.0047
CY2015	us-gaap	Dividends Cash DividendsCash	64108000	USD
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.50
CY2014Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.0036
CY2014Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.0017
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.43
CY2015Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.0040
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.0043
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.0048
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.0041
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.72
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.48
CY2014Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.0036
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.0042
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.0047
CY2014Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.0017
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.41
CY2015Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.0039
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.0043
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.0047
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.0041
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.70
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.393
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.391
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.396
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.003
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.004
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.003
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.002
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.001
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.001
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.003
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.003
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.003
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.035
CY2014	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.033
CY2015	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.039
CY2015Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	115000000	USD
CY2015	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P5Y1M
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2358000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	3298000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	3276000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	2358000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	3298000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	3276000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	600047000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	683746000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	84500000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	64500000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	71800000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	76300000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	81600000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1384689000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1428426000	USD
CY2013	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2014	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-47425000	USD
CY2015	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	619000	USD
CY2014	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	47400000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	2006173000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	2460611000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	2586683000	USD
CY2014	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	513951000	USD
CY2015	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	136381000	USD
CY2013Q4	us-gaap	Goodwill Fair Value Disclosure GoodwillFairValueDisclosure	295944000	USD
CY2014Q4	us-gaap	Goodwill Fair Value Disclosure GoodwillFairValueDisclosure	513925000	USD
CY2014Q4	us-gaap	Goodwill Fair Value Disclosure GoodwillFairValueDisclosure	513900000	USD
CY2015Q4	us-gaap	Goodwill Fair Value Disclosure GoodwillFairValueDisclosure	136381000	USD
CY2014	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	59513000	USD
CY2015	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	10309000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	357609000	USD
CY2014Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	86837000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	101781000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	112685000	USD
CY2014Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	38446000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	339749000	USD
CY2015Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	93778000	USD
CY2015Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	100914000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	112830000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	95037000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	402559000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	140497000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	132853000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	159241000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	110200000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	110190000	USD
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	118290000	USD
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	118300000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	132900000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	132874000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	5180000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	36949000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	34206000	USD
CY2013	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	70872000	USD
CY2014	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	11718000	USD
CY2015	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	8204000	USD
CY2015	us-gaap	Increase Decrease In Loss And Loss Adjustment Expense Reserve IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve	0	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2583000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	12564000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5318000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-12554000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-24727000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-23898000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	0	USD
CY2014	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	31573000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	-10943000	USD
CY2013	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	0	USD
CY2014	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	-12210000	USD
CY2015	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	18940000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	85445000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	9760000	USD
CY2015	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-30016000	USD
CY2013	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	0	USD
CY2014	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	31573000	USD
CY2015	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-10943000	USD
CY2013	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	3629000	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	3624000	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	3303000	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1591000	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1947000	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2302000	shares
CY2013	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	1355503000	USD
CY2014	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	1567460000	USD
CY2015	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	1656951000	USD
CY2014Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	784642000	USD
CY2015Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	744680000	USD
CY2013	us-gaap	Interest Expense InterestExpense	16440000	USD
CY2014	us-gaap	Interest Expense InterestExpense	28408000	USD
CY2015	us-gaap	Interest Expense InterestExpense	39248000	USD
CY2013	us-gaap	Interest Paid InterestPaid	16500000	USD
CY2013	us-gaap	Interest Paid InterestPaid	16501000	USD
CY2014	us-gaap	Interest Paid InterestPaid	25100000	USD
CY2014	us-gaap	Interest Paid InterestPaid	25115000	USD
CY2015	us-gaap	Interest Paid InterestPaid	37500000	USD
CY2015	us-gaap	Interest Paid InterestPaid	37542000	USD
CY2014Q4	us-gaap	Interest Payable Current InterestPayableCurrent	6527000	USD
CY2015Q4	us-gaap	Interest Payable Current InterestPayableCurrent	6375000	USD
CY2013	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	638000	USD
CY2014	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	747000	USD
CY2015	us-gaap	Investment Income Nonoperating InvestmentIncomeNonoperating	1004000	USD
CY2014Q4	us-gaap	Investments Investments	19862000	USD
CY2015Q4	us-gaap	Investments Investments	18092000	USD
CY2013	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	43000000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	49000000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	46000000	USD
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4956458000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5012739000	USD
CY2014Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1269153000	USD
CY2015Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1328547000	USD
CY2014Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	13028000	USD
CY2015Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	31968000	USD
CY2014Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	65772	USD
CY2015Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	102171	USD
CY2014Q4	us-gaap	Line Of Credit LineOfCredit	529375000	USD
CY2015Q4	us-gaap	Line Of Credit LineOfCredit	481250000	USD
CY2014Q2	us-gaap	Line Of Credit LineOfCredit	25000000.0	USD
CY2014Q2	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	500000000.0	USD
CY2014Q4	us-gaap	Long Term Debt LongTermDebt	1198471000	USD
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	1153003000	USD
CY2014Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	45625000	USD
CY2015Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	73125000	USD
CY2015Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	623600000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	73100000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	500000000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	371300000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	155000000	USD
CY2015Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	55000000	USD
CY2014Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1152846000	USD
CY2015Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1079878000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-25611000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	589390000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-293839000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-380632000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-707313000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-144637000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	389374000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	385019000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	411848000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	217112000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	52415000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	61755000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	68331000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	24395000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	206896000	USD
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	56951000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	61005000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	67427000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	57935000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	243318000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	211666000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	201710000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	237623000	USD
CY2014	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	10	acquisition
CY2015	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	13	acquisition
CY2015	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	Segment
CY2013	us-gaap	Operating Expenses OperatingExpenses	1005670000	USD
CY2014Q1	us-gaap	Operating Expenses OperatingExpenses	276757000	USD
CY2014Q2	us-gaap	Operating Expenses OperatingExpenses	295983000	USD
CY2014Q3	us-gaap	Operating Expenses OperatingExpenses	308733000	USD
CY2014Q4	us-gaap	Operating Expenses OperatingExpenses	354574000	USD
CY2014	us-gaap	Operating Expenses OperatingExpenses	1236047000	USD
CY2015Q1	us-gaap	Operating Expenses OperatingExpenses	310520000	USD
CY2015Q2	us-gaap	Operating Expenses OperatingExpenses	318533000	USD
CY2015Q3	us-gaap	Operating Expenses OperatingExpenses	319337000	USD
CY2015Q4	us-gaap	Operating Expenses OperatingExpenses	309560000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	1257950000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	195272000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	40900000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	21283000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	25962000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	31612000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	37109000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	38406000	USD
CY2015Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	184218	USD
CY2014Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	23384000	USD
CY2015Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	31274000	USD
CY2014Q4	us-gaap	Other Assets Current OtherAssetsCurrent	45542000	USD
CY2015Q4	us-gaap	Other Assets Current OtherAssetsCurrent	50351000	USD
CY2014Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	36567000	USD
CY2015Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	44142000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2015	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-1000	USD
CY2013	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	195677000	USD
CY2014	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	235328000	USD
CY2015	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	251055000	USD
CY2013	us-gaap	Other Income OtherIncome	7138000	USD
CY2014	us-gaap	Other Income OtherIncome	7589000	USD
CY2015	us-gaap	Other Income OtherIncome	2554000	USD
CY2014Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	79217000	USD
CY2015Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	93589000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	75025000	USD
CY2015Q4	us-gaap	Reinsurance Recoverables On Unpaid Losses ReinsuranceRecoverablesOnUnpaidLosses	32000000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	163750000	USD
CY2013	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	0	USD
CY2014	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	0	USD
CY2015	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	11250000	USD
CY2013	us-gaap	Payments Of Dividends PaymentsOfDividends	53546000	USD
CY2014	us-gaap	Payments Of Dividends PaymentsOfDividends	59334000	USD
CY2015	us-gaap	Payments Of Dividends PaymentsOfDividends	64108000	USD
CY2013	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	408100000	USD
CY2013	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	408072000	USD
CY2014	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	721851000	USD
CY2014	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	721900000	USD
CY2015	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	136000000	USD
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	367712000	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	696486000	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	136000000	USD
CY2013	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	18102000	USD
CY2014	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	17813000	USD
CY2015	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	22766000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	16366000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	24923000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	18375000	USD
CY2015	us-gaap	Premiums Earned Net PremiumsEarnedNet	21000	USD
CY2015	us-gaap	Premiums Written Net PremiumsWrittenNet	21000	USD
CY2014Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	320586000	USD
CY2015Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	309643000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	30000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1048425000	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2013	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	31863000	USD
CY2014	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	475000000	USD
CY2015	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
CY2015	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	5600000	USD
CY2013	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	15662000	USD
CY2014	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	18278000	USD
CY2015	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	21928000	USD
CY2013	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	5886000	USD
CY2014	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	13631000	USD
CY2015	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	10576000	USD
CY2013	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	12445000	USD
CY2014	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	14808000	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	15890000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	195308000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	205184000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	84668000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	81753000	USD
CY2014Q4	us-gaap	Reinsurance Recoverables Gross ReinsuranceRecoverablesGross	13028000	USD
CY2015Q4	us-gaap	Reinsurance Recoverables Gross ReinsuranceRecoverablesGross	31968000	USD
CY2014Q4	us-gaap	Reinsurance Recoverables On Unpaid Losses ReinsuranceRecoverablesOnUnpaidLosses	13000000	USD
CY2014Q4	us-gaap	Reinsurance Recoverables On Unpaid Losses Gross ReinsuranceRecoverablesOnUnpaidLossesGross	333600000	USD
CY2015Q4	us-gaap	Reinsurance Recoverables On Unpaid Losses Gross ReinsuranceRecoverablesOnUnpaidLossesGross	341600000	USD
CY2013	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	31863000	USD
CY2014	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	475000000	USD
CY2015	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	93000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	330000000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	45625000	USD
CY2014Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	259769000	USD
CY2015Q4	us-gaap	Restricted Cash And Investments Current RestrictedCashAndInvestmentsCurrent	229753000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1768201000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1947411000	USD
CY2013	us-gaap	Revenues Revenues	1363279000	USD
CY2014Q1	us-gaap	Revenues Revenues	363594000	USD
CY2014Q2	us-gaap	Revenues Revenues	397764000	USD
CY2014Q3	us-gaap	Revenues Revenues	421418000	USD
CY2014Q4	us-gaap	Revenues Revenues	393020000	USD
CY2014	us-gaap	Revenues Revenues	1575796000	USD
CY2015Q1	us-gaap	Revenues Revenues	404298000	USD
CY2015Q2	us-gaap	Revenues Revenues	419447000	USD
CY2015Q3	us-gaap	Revenues Revenues	432167000	USD
CY2015Q4	us-gaap	Revenues Revenues	404597000	USD
CY2015	us-gaap	Revenues Revenues	1660509000	USD
CY2014Q4	us-gaap	Senior Notes SeniorNotes	623471000	USD
CY2015Q4	us-gaap	Senior Notes SeniorNotes	598628000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	22603000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	19363000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	15513000	USD
CY2009Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1	P20Y
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1	P15Y
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	0	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	0	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	0	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	3700000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	8400000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	6800000	USD
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Maximum Employee Subscription Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate	0.1
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	0	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	422945	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	316356	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	164589	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	18.48
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	18.48
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	18.48
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1600000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1300000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2200000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	0	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	46000	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	49000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	5266707	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	8891000	USD
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	7289000	USD
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	5087000	USD
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	2395000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	738792	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	622945	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	470356	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	269589	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.39
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.55
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.57
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	18.48
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	2395000	USD
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	269589	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	18.48
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	17.56
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.48
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.48
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	0
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	18.48
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	19.36
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2015	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	8.75
CY2015	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	25.68
CY2013Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	5460000	USD
CY2014Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	4565000	USD
CY2015Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	2241000	USD
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y2M
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y2M
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y2M
CY2012	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y11M
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y1M
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y1M
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y2M
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P2Y2M
CY2015Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	25000000	USD
CY2014Q4	us-gaap	Short Term Investments ShortTermInvestments	11157000	USD
CY2015Q4	us-gaap	Short Term Investments ShortTermInvestments	13734000	USD
CY2012	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	12610	shares
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	115847	shares
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	106589	shares
CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	151767	shares
CY2013	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	33884000	USD
CY2014	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	30449000	USD
CY2015	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	28045000	USD
CY2014Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	25000000	USD
CY2015Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000	USD
CY2015Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	400000000	USD
CY2015Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	50000000	shares
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	1807333000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	2007141000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	2113745000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	2149776000	USD
CY2014Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2385000	shares
CY2015Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	7430000	shares
CY2015Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	3059629	shares
CY2014Q4	us-gaap	Treasury Stock Value TreasuryStockValue	75025000	USD
CY2015Q4	us-gaap	Treasury Stock Value TreasuryStockValue	238775000	USD
CY2014	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	75025000	USD
CY2015	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	175000000	USD
CY2014Q4	us-gaap	Unearned Premiums UnearnedPremiums	320586000	USD
CY2015Q4	us-gaap	Unearned Premiums UnearnedPremiums	309643000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	294000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	391000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	113032	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	113000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	584000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	583977	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	21000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	135000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	257000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	302000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	232000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	773000	USD
CY2014Q2	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	550000000.0	USD
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	142624000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	142891000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140112000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	144662000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	144568000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	141113000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	140944000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	137810000	shares
CY2015	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates </font></div><div style="line-height:120%;padding-top:8px;text-align:left;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of the Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, as well as disclosures of contingent assets and liabilities, at the date of the Consolidated Financial Statements, and the reported amounts of revenues and expenses during the reporting period. Actual results may differ from those estimates</font></div></div>

Files In Submission

Name	View Source	Status
0000079282-16-000034-index-headers.html	Edgar Link	pending
0000079282-16-000034-index.html	Edgar Link	pending
0000079282-16-000034.txt	Edgar Link	pending
0000079282-16-000034-xbrl.zip	Edgar Link	pending
bba01.jpg	Edgar Link	pending
bro-20151231.xml	Edgar Link	completed
bro-20151231.xsd	Edgar Link	pending
bro-20151231x10k.htm	Edgar Link	pending
bro-20151231_cal.xml	Edgar Link	unprocessable
bro-20151231_def.xml	Edgar Link	unprocessable
bro-20151231_lab.xml	Edgar Link	unprocessable
bro-20151231_pre.xml	Edgar Link	unprocessable
exhibit108cq42015.htm	Edgar Link	pending
exhibit21q42015.htm	Edgar Link	pending
exhibit23q42015.htm	Edgar Link	pending
exhibit2410q42015.htm	Edgar Link	pending
exhibit2411q42015.htm	Edgar Link	pending
exhibit241q42015.htm	Edgar Link	pending
exhibit242q42015.htm	Edgar Link	pending
exhibit243q42015.htm	Edgar Link	pending
exhibit244q42015.htm	Edgar Link	pending
exhibit245q42015.htm	Edgar Link	pending
exhibit246q42015.htm	Edgar Link	pending
exhibit247q42015.htm	Edgar Link	pending
exhibit248q42015.htm	Edgar Link	pending
exhibit249q42015.htm	Edgar Link	pending
exhibit311q42015.htm	Edgar Link	pending
exhibit312q42015.htm	Edgar Link	pending
exhibit321q42015.htm	Edgar Link	pending
exhibit322q42015.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
performancegrapha.jpg	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R93.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$BRO
BROWN & BROWN, INC. Stock $bro

2015 Q4 Form 10-K Financial Statement

#000007928216000034 Filed on February 26, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BRO BROWN & BROWN, INC. Stock $bro

2015 Q4 Form 10-K Financial Statement

#000007928216000034 Filed on February 26, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BRO
BROWN & BROWN, INC. Stock $bro