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CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2014
INTEREST INCOME |  |  |  |
Loans & covered assets | $ 109,274 us-gaap_InterestAndFeeIncomeLoansAndLeases | $ 106,334 us-gaap_InterestAndFeeIncomeLoansAndLeases | $ 217,567 us-gaap_InterestAndFeeIncomeLoansAndLeases | $ 213,561 us-gaap_InterestAndFeeIncomeLoansAndLeases
Mortgage-backed securities | 18,143 us-gaap_InterestIncomeSecuritiesMortgageBacked | 20,968 us-gaap_InterestIncomeSecuritiesMortgageBacked | 37,318 us-gaap_InterestIncomeSecuritiesMortgageBacked | 40,360 us-gaap_InterestIncomeSecuritiesMortgageBacked
Investment securities and cash equivalents | 5,213 wfsl_InvestmentIncomeAndOther | 5,049 wfsl_InvestmentIncomeAndOther | 11,029 wfsl_InvestmentIncomeAndOther | 9,688 wfsl_InvestmentIncomeAndOther
Interest Income | 132,630 us-gaap_InvestmentIncomeInterestAndDividend | 132,351 us-gaap_InvestmentIncomeInterestAndDividend | 265,914 us-gaap_InvestmentIncomeInterestAndDividend | 263,609 us-gaap_InvestmentIncomeInterestAndDividend
INTEREST EXPENSE |  |  |  |
Customer accounts | 12,574 us-gaap_InterestExpenseDeposits | 14,780 us-gaap_InterestExpenseDeposits | 26,018 us-gaap_InterestExpenseDeposits | 30,279 us-gaap_InterestExpenseDeposits
FHLB advances and other borrowings | 16,176 us-gaap_InterestExpenseBorrowings | 16,935 us-gaap_InterestExpenseBorrowings | 33,832 us-gaap_InterestExpenseBorrowings | 34,383 us-gaap_InterestExpenseBorrowings
Interest Expense | 28,750 us-gaap_InterestExpense | 31,715 us-gaap_InterestExpense | 59,850 us-gaap_InterestExpense | 64,662 us-gaap_InterestExpense
Net interest income | 103,880 us-gaap_InterestIncomeExpenseNet | 100,636 us-gaap_InterestIncomeExpenseNet | 206,064 us-gaap_InterestIncomeExpenseNet | 198,947 us-gaap_InterestIncomeExpenseNet
Reversal of provision for loan losses | (3,949)us-gaap_ProvisionForLoanAndLeaseLosses | (4,336)us-gaap_ProvisionForLoanAndLeaseLosses | (9,449)us-gaap_ProvisionForLoanAndLeaseLosses | (8,936)us-gaap_ProvisionForLoanAndLeaseLosses
Net interest income after reversal of provision for loan losses | 107,829 us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss | 104,972 us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss | 215,513 us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss | 207,883 us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss
OTHER INCOME |  |  |  |
Loan fee income | 2,048 us-gaap_FeesAndCommissionsMortgageBanking | 1,324 us-gaap_FeesAndCommissionsMortgageBanking | 4,112 us-gaap_FeesAndCommissionsMortgageBanking | 3,370 us-gaap_FeesAndCommissionsMortgageBanking
Deposit fee income | 5,405 us-gaap_FeesAndCommissionsDepositorAccounts | 3,381 us-gaap_FeesAndCommissionsDepositorAccounts | 11,383 us-gaap_FeesAndCommissionsDepositorAccounts | 5,084 us-gaap_FeesAndCommissionsDepositorAccounts
Other income | 3,388 us-gaap_NoninterestIncomeOtherOperatingIncome | 1,997 us-gaap_NoninterestIncomeOtherOperatingIncome | 726 us-gaap_NoninterestIncomeOtherOperatingIncome | 4,036 us-gaap_NoninterestIncomeOtherOperatingIncome
OTHER INCOME | 10,841 us-gaap_NoninterestIncome | 6,702 us-gaap_NoninterestIncome | 16,221 us-gaap_NoninterestIncome | 12,490 us-gaap_NoninterestIncome
OTHER EXPENSE |  |  |  |
Compensation and benefits | 30,469 us-gaap_LaborAndRelatedExpense | 27,836 us-gaap_LaborAndRelatedExpense | 59,629 us-gaap_LaborAndRelatedExpense | 52,962 us-gaap_LaborAndRelatedExpense
Occupancy | 8,239 us-gaap_OccupancyNet | 7,346 us-gaap_OccupancyNet | 16,374 us-gaap_OccupancyNet | 14,396 us-gaap_OccupancyNet
FDIC insurance premiums | 2,380 us-gaap_FederalDepositInsuranceCorporationPremiumExpense | 2,767 us-gaap_FederalDepositInsuranceCorporationPremiumExpense | 3,055 us-gaap_FederalDepositInsuranceCorporationPremiumExpense | 5,701 us-gaap_FederalDepositInsuranceCorporationPremiumExpense
Information technology | 3,882 us-gaap_InformationTechnologyAndDataProcessing | 3,931 us-gaap_InformationTechnologyAndDataProcessing | 7,912 us-gaap_InformationTechnologyAndDataProcessing | 6,860 us-gaap_InformationTechnologyAndDataProcessing
Product delivery | 5,420 wfsl_ProductDeliveryExpense | 4,066 wfsl_ProductDeliveryExpense | 11,047 wfsl_ProductDeliveryExpense | 5,384 wfsl_ProductDeliveryExpense
Other expense | 6,934 us-gaap_OtherNoninterestExpense | 6,113 us-gaap_OtherNoninterestExpense | 12,909 us-gaap_OtherNoninterestExpense | 10,876 us-gaap_OtherNoninterestExpense
Noninterest Expense | 57,324 us-gaap_NoninterestExpense | 52,059 us-gaap_NoninterestExpense | 110,926 us-gaap_NoninterestExpense | 96,179 us-gaap_NoninterestExpense
Gain (loss) on real estate acquired through foreclosure, net | 1,473 us-gaap_GainsLossesOnSalesOfOtherRealEstate | 553 us-gaap_GainsLossesOnSalesOfOtherRealEstate | 1,788 us-gaap_GainsLossesOnSalesOfOtherRealEstate | (1,398)us-gaap_GainsLossesOnSalesOfOtherRealEstate
Income before income taxes | 62,819 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 60,168 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 122,596 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 122,796 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax provision | 22,458 us-gaap_IncomeTaxExpenseBenefit | 21,511 us-gaap_IncomeTaxExpenseBenefit | 43,828 us-gaap_IncomeTaxExpenseBenefit | 43,903 us-gaap_IncomeTaxExpenseBenefit
NET INCOME | $ 40,361 us-gaap_NetIncomeLoss | $ 38,657 us-gaap_NetIncomeLoss | $ 78,768 us-gaap_NetIncomeLoss | $ 78,893 us-gaap_NetIncomeLoss
PER SHARE DATA |  |  |  |
Basic earnings (in dollars per share) | $ 0.42 us-gaap_EarningsPerShareBasic | $ 0.38 us-gaap_EarningsPerShareBasic | $ 0.81 us-gaap_EarningsPerShareBasic | $ 0.77 us-gaap_EarningsPerShareBasic
Diluted earnings (in dollars per share) | $ 0.42 us-gaap_EarningsPerShareDiluted | $ 0.38 us-gaap_EarningsPerShareDiluted | $ 0.81 us-gaap_EarningsPerShareDiluted | $ 0.77 us-gaap_EarningsPerShareDiluted
Dividends paid on common stock (in dollars per share) | $ 0.13 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.10 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.28 us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.20 us-gaap_CommonStockDividendsPerShareCashPaid
Basic weighted average number of shares outstanding (in shares) | 96,373,366 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 102,013,857 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 97,270,403 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 102,173,829 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted weighted average number of shares outstanding, including dilutive stock options (in shares) | 96,725,234 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 102,488,844 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 97,635,201 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 102,652,984 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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- Definition The noninterest income derived from mortgage banking activities (fees and commissions), excluding fees earned from servicing third-party assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13 (d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 9 + Details
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