$AVA
AVISTA CORP Stock $ava

$ava Overview Financials Valuation SEC Filings Company Website

2016 Q3 Form 10-Q Financial Statement

#000010491816000278 Filed on November 01, 2016

Income Statement

Concept	2016 Q3	2015 Q4	2015 Q3
Revenue	$303.3M	$387.3M	$313.6M
YoY Change	-3.28%	-5.96%	4.01%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$41.30M	$38.30M	$37.40M
YoY Change	10.43%	8.19%	8.72%
% of Gross Profit
Operating Expenses	$263.8M	$316.9M	$277.7M
YoY Change	-5.01%	-8.17%	3.31%
Operating Profit	$39.59M	$70.37M	$35.91M
YoY Change	10.25%	5.41%	9.61%
Interest Expense	$21.63M	-$19.80M	$19.95M
YoY Change	8.43%	11.86%	7.02%
% of Operating Profit	54.63%	-28.14%	55.56%
Other Income/Expense, Net	$1.562M	$3.400M	$2.123M
YoY Change	-26.42%	30.77%	-18.6%
Pretax Income	$19.87M	$53.90M	$18.87M
YoY Change	5.29%	4.46%	5.85%
Income Tax	$7.606M	$20.10M	$6.115M
% Of Pretax Income	38.28%	37.29%	32.41%
Net Earnings	$12.23M	$38.52M	$13.01M
YoY Change	-5.97%	19.56%	24.5%
Net Earnings / Revenue	4.03%	9.95%	4.15%
Basic Earnings Per Share	$0.19		$0.21
Diluted Earnings Per Share	$0.19	$0.61	$0.21
COMMON SHARES
Basic Shares Outstanding	63.86M shares	62.31M shares	62.30M shares
Diluted Shares Outstanding	64.33M shares	62.76M shares	62.69M shares

Balance Sheet

Concept	2016 Q3	2015 Q4	2015 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$7.000M	$10.00M	$9.000M
YoY Change	-22.22%	-54.55%	-10.0%
Cash & Equivalents	$7.084M	$10.48M	$9.314M
Short-Term Investments
Other Short-Term Assets	$35.88M	$30.62M	$39.08M
YoY Change	-8.19%	-32.06%	1.46%
Inventory	$58.08M	$54.15M	$59.74M
Prepaid Expenses
Receivables	$116.0M	$169.0M	$111.0M
Other Receivables	$49.00M	$25.00M	$0.00
Total Short-Term Assets	$284.4M	$306.0M	$258.0M
YoY Change	10.23%	-22.59%	-2.72%
LONG-TERM ASSETS
Property, Plant & Equipment	$4.057B	$3.899B	$3.784B
YoY Change	7.21%	7.71%	6.95%
Goodwill	$57.67M	$57.67M	$57.67M
YoY Change	0.0%	-0.52%	10.01%
Intangibles
YoY Change
Long-Term Investments	$74.00M	$71.00M	$65.00M
YoY Change	13.85%	9.23%	1.56%
Other Assets	$136.0M	$143.6M	$140.6M
YoY Change	-3.29%	-4.98%	-7.64%
Total Long-Term Assets	$4.931B	$4.601B	$4.481B
YoY Change	10.03%	6.85%	10.07%
TOTAL ASSETS
Total Short-Term Assets	$284.4M	$306.0M	$258.0M
Total Long-Term Assets	$4.931B	$4.601B	$4.481B
Total Assets	$5.215B	$4.907B	$4.739B
YoY Change	10.04%	4.38%	9.29%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$81.90M	$114.3M	$63.17M
YoY Change	29.64%	1.22%	-23.3%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$84.00M	$105.0M	$130.0M
YoY Change	-35.38%	0.0%	271.43%
Long-Term Debt Due	$3.000M	$93.00M	$93.00M
YoY Change	-96.77%	1062.5%	675.0%
Total Short-Term Liabilities	$341.9M	$474.7M	$447.7M
YoY Change	-23.64%	23.21%	65.33%
LONG-TERM LIABILITIES
Long-Term Debt	$1.730B	$1.532B	$1.443B
YoY Change	19.89%	0.0%	-1.43%
Other Long-Term Liabilities	$135.6M	$130.8M	$165.8M
YoY Change	-18.25%	-10.54%	37.56%
Total Long-Term Liabilities	$135.6M	$130.8M	$165.8M
YoY Change	-18.25%	-10.54%	37.56%
TOTAL LIABILITIES
Total Short-Term Liabilities	$341.9M	$474.7M	$447.7M
Total Long-Term Liabilities	$135.6M	$130.8M	$165.8M
Total Liabilities	$3.587B	$3.378B	$3.231B
YoY Change	11.01%	4.99%	13.58%
SHAREHOLDERS EQUITY
Retained Earnings	$562.9M	$530.9M	$513.0M
YoY Change	9.73%	8.0%	5.05%
Common Stock	$1.073B	$1.004B	$1.003B
YoY Change	7.06%	0.44%	-0.5%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.629B	$1.529B	$1.508B
YoY Change
Total Liabilities & Shareholders Equity	$5.215B	$4.907B	$4.739B
YoY Change	10.04%	4.38%	9.29%

Cashflow Statement

Concept	2016 Q3	2015 Q4	2015 Q3
OPERATING ACTIVITIES
Net Income	$12.23M	$38.52M	$13.01M
YoY Change	-5.97%	19.56%	24.5%
Depreciation, Depletion And Amortization	$41.30M	$38.30M	$37.40M
YoY Change	10.43%	8.19%	8.72%
Cash From Operating Activities	$98.10M	$64.40M	$79.10M
YoY Change	24.02%	3925.0%	89.69%
INVESTING ACTIVITIES
Capital Expenditures	-$105.3M	-$120.6M	-$95.40M
YoY Change	10.38%	25.89%	2.03%
Acquisitions
YoY Change
Other Investing Activities	-$3.000M	$3.900M	-$100.0K
YoY Change	2900.0%	-454.55%	-100.52%
Cash From Investing Activities	-$108.4M	-$116.7M	-$95.50M
YoY Change	13.51%	20.43%	29.05%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	3.700M	53.50M	9.400M
YoY Change	-60.64%	-50.05%	-105.69%
NET CHANGE
Cash From Operating Activities	98.10M	64.40M	79.10M
Cash From Investing Activities	-108.4M	-116.7M	-95.50M
Cash From Financing Activities	3.700M	53.50M	9.400M
Net Change In Cash	-6.600M	1.200M	-7.000M
YoY Change	-5.71%	-89.83%	-96.46%
FREE CASH FLOW
Cash From Operating Activities	$98.10M	$64.40M	$79.10M
Capital Expenditures	-$105.3M	-$120.6M	-$95.40M
Free Cash Flow	$203.4M	$185.0M	$174.5M
YoY Change	16.56%	89.94%	29.07%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2015Q4	ava	Accumulated Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Tax AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossTax	3580000	USD
CY2016Q3	ava	Accumulated Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Tax AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossTax	4092000	USD
	ava	Amortization Of Energy Contract AmortizationOfEnergyContract	10023000	USD
	ava	Amortization Of Energy Contract AmortizationOfEnergyContract	10904000	USD
CY2015Q4	ava	Current Regulatory Asset For Utility Derivatives CurrentRegulatoryAssetForUtilityDerivatives	17260000	USD
CY2016Q3	ava	Current Regulatory Asset For Utility Derivatives CurrentRegulatoryAssetForUtilityDerivatives	17936000	USD
CY2015Q3	ava	Depreciation And Amortization Expense DepreciationAndAmortizationExpense	36481000	USD
	ava	Depreciation And Amortization Expense DepreciationAndAmortizationExpense	106791000	USD
CY2016Q3	ava	Depreciation And Amortization Expense DepreciationAndAmortizationExpense	40433000	USD
	ava	Depreciation And Amortization Expense DepreciationAndAmortizationExpense	119683000	USD
CY2015Q3	ava	Interest Expense Including Affiliated Trusts InterestExpenseIncludingAffiliatedTrusts	20071000	USD
	ava	Interest Expense Including Affiliated Trusts InterestExpenseIncludingAffiliatedTrusts	60066000	USD
CY2016Q3	ava	Interest Expense Including Affiliated Trusts InterestExpenseIncludingAffiliatedTrusts	21796000	USD
	ava	Interest Expense Including Affiliated Trusts InterestExpenseIncludingAffiliatedTrusts	64679000	USD
CY2015Q4	ava	Long Term Debt Before Current Portion And Bonds Held By Company LongTermDebtBeforeCurrentPortionAndBondsHeldByCompany	1656978000	USD
CY2016Q3	ava	Long Term Debt Before Current Portion And Bonds Held By Company LongTermDebtBeforeCurrentPortionAndBondsHeldByCompany	1765214000	USD
CY2015Q4	ava	Noncurrent Regulatory Asset For Utility Derivatives NoncurrentRegulatoryAssetForUtilityDerivatives	32420000	USD
CY2016Q3	ava	Noncurrent Regulatory Asset For Utility Derivatives NoncurrentRegulatoryAssetForUtilityDerivatives	27336000	USD
	ava	Number Of Days Canadian Currency Prices Are Settled With Us Dollars NumberOfDaysCanadianCurrencyPricesAreSettledWithUSDollars	P60D
CY2015Q3	ava	Other Operating Expenses OtherOperatingExpenses	80777000	USD
	ava	Other Operating Expenses OtherOperatingExpenses	243523000	USD
CY2016Q3	ava	Other Operating Expenses OtherOperatingExpenses	81916000	USD
	ava	Other Operating Expenses OtherOperatingExpenses	248467000	USD
	ava	Payments For Proceeds From Derivative Instrument Operating Activities PaymentsForProceedsFromDerivativeInstrumentOperatingActivities	0	USD
	ava	Payments For Proceeds From Derivative Instrument Operating Activities PaymentsForProceedsFromDerivativeInstrumentOperatingActivities	53966000	USD
CY2015Q3	ava	Public Utility Operating Expenses Excise Taxes Collected PublicUtilityOperatingExpensesExciseTaxesCollected	12316000	USD
	ava	Public Utility Operating Expenses Excise Taxes Collected PublicUtilityOperatingExpensesExciseTaxesCollected	44755000	USD
CY2016Q3	ava	Public Utility Operating Expenses Excise Taxes Collected PublicUtilityOperatingExpensesExciseTaxesCollected	12095000	USD
	ava	Public Utility Operating Expenses Excise Taxes Collected PublicUtilityOperatingExpensesExciseTaxesCollected	43033000	USD
CY2015Q3	ava	Public Utility Operating Expenses Other Taxes PublicUtilityOperatingExpensesOtherTaxes	505000	USD
	ava	Public Utility Operating Expenses Other Taxes PublicUtilityOperatingExpensesOtherTaxes	2000000	USD
CY2016Q3	ava	Public Utility Operating Expenses Other Taxes PublicUtilityOperatingExpensesOtherTaxes	527000	USD
	ava	Public Utility Operating Expenses Other Taxes PublicUtilityOperatingExpensesOtherTaxes	1879000	USD
CY2015Q4	ava	Receivables Long Term Contracts Or Programs Noncurrent ReceivablesLongTermContractsOrProgramsNoncurrent	14694000	USD
CY2016Q3	ava	Receivables Long Term Contracts Or Programs Noncurrent ReceivablesLongTermContractsOrProgramsNoncurrent	3790000	USD
CY2015Q4	ava	Regulatory Asset For Interest Rate Swap Agreements Noncurrent RegulatoryAssetForInterestRateSwapAgreementsNoncurrent	83973000	USD
CY2016Q3	ava	Regulatory Asset For Interest Rate Swap Agreements Noncurrent RegulatoryAssetForInterestRateSwapAgreementsNoncurrent	246981000	USD
CY2015Q4	ava	Regulatory Assetfor Deferred Income Taxes Noncurrent RegulatoryAssetforDeferredIncomeTaxesNoncurrent	101240000	USD
CY2016Q3	ava	Regulatory Assetfor Deferred Income Taxes Noncurrent RegulatoryAssetforDeferredIncomeTaxesNoncurrent	100907000	USD
CY2015Q4	ava	Regulatory Assets For Pensions And Other Postretirement Benefits Noncurrent RegulatoryAssetsForPensionsAndOtherPostretirementBenefitsNoncurrent	235009000	USD
CY2016Q3	ava	Regulatory Assets For Pensions And Other Postretirement Benefits Noncurrent RegulatoryAssetsForPensionsAndOtherPostretirementBenefitsNoncurrent	223596000	USD
CY2015Q4	ava	Regulatory Liability For Utility Plant Retirement Costs Noncurrent RegulatoryLiabilityForUtilityPlantRetirementCostsNoncurrent	261594000	USD
CY2016Q3	ava	Regulatory Liability For Utility Plant Retirement Costs Noncurrent RegulatoryLiabilityForUtilityPlantRetirementCostsNoncurrent	270972000	USD
CY2015Q4	ava	Settled Interest Rate Swaps SettledInterestRateSwaps	26515000	USD
CY2016Q3	ava	Settled Interest Rate Swaps SettledInterestRateSwaps	0	USD
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
	dei	Document Period End Date DocumentPeriodEndDate	2016-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000104918
CY2016Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	64184399	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	AVISTA CORP
	dei	Trading Symbol TradingSymbol	ava
CY2015Q4	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	169413000	USD
CY2016Q3	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	116054000	USD
CY2015Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	114349000	USD
CY2016Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	81898000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-6650000	USD
CY2016Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-7599000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	85443000	USD
CY2016Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	12374000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	96188000	USD
CY2015Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	32000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	73000	USD
CY2016Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	27000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6650000	USD
CY2016Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7599000	USD
CY2015Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	4530000	USD
CY2016Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	4266000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2651000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2595000	USD
	us-gaap	Amortization Of Power Contracts Emission Credits AmortizationOfPowerContractsEmissionCredits	1838000	USD
	us-gaap	Amortization Of Power Contracts Emission Credits AmortizationOfPowerContractsEmissionCredits	1838000	USD
CY2015Q4	us-gaap	Assets Assets	4906649000	USD
CY2016Q3	us-gaap	Assets Assets	5215106000	USD
CY2015Q4	us-gaap	Assets Current AssetsCurrent	306046000	USD
CY2016Q3	us-gaap	Assets Current AssetsCurrent	284375000	USD
CY2015Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	68601000	USD
CY2016Q3	us-gaap	Capital Lease Obligations CapitalLeaseObligations	66226000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	22143000	USD
CY2015Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	9314000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	10484000	USD
CY2016Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7084000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-12829000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-3400000	USD
CY2015Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.3300
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.9900
CY2016Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.3425
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.0275
CY2015Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2016Q3	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2016Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	200000000	shares
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	62312651	shares
CY2016Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	64182487	shares
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	1004336000	USD
CY2016Q3	us-gaap	Common Stock Value CommonStockValue	1073481000	USD
CY2015Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	13257000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	76000	USD
CY2015Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	13289000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	85516000	USD
CY2016Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	12401000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	96264000	USD
CY2015Q3	us-gaap	Costs And Expenses CostsAndExpenses	277737000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	914624000	USD
CY2016Q3	us-gaap	Costs And Expenses CostsAndExpenses	263755000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	833090000	USD
CY2015Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1626700000	USD
CY2016Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1536700000	USD
CY2015Q4	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0129
CY2016Q3	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0172
CY2015Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	956000	USD
CY2016Q3	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	833000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	12381000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	87246000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	747477000	USD
CY2016Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	816334000	USD
CY2015Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	178000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	512000	USD
CY2016Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	193000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	573000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	109522000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	122414000	USD
CY2015Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-85091000	USD
CY2016Q3	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	-117332000	USD
CY2015Q4	us-gaap	Derivative Fair Value Amount Offset Against Collateral Net DerivativeFairValueAmountOffsetAgainstCollateralNet	48556000	USD
CY2016Q3	us-gaap	Derivative Fair Value Amount Offset Against Collateral Net DerivativeFairValueAmountOffsetAgainstCollateralNet	82322000	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	76865000	USD
CY2016Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	34027000	USD
CY2015Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	210512000	USD
CY2016Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	233681000	USD
CY2015Q4	us-gaap	Derivative Instruments And Hedges Liabilities Noncurrent DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent	30679000	USD
CY2016Q3	us-gaap	Derivative Instruments And Hedges Liabilities Noncurrent DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent	89683000	USD
	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	710000	USD
	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	0	USD
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.21
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.36
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.53
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.35
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.53
	us-gaap	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions	1600000	USD
CY2015Q4	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	14268000	USD
CY2016Q3	us-gaap	Energy Marketing Contract Liabilities Current EnergyMarketingContractLiabilitiesCurrent	8608000	USD
CY2015Q4	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	12774000	USD
CY2016Q3	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	13839000	USD
CY2016Q3	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	1
CY2015Q4	us-gaap	Goodwill Goodwill	57672000	USD
CY2016Q3	us-gaap	Goodwill Goodwill	57672000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	12722000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	84221000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	12234000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	97137000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	18869000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	131672000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19867000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	151874000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	12754000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	84294000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	12261000	USD
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	97213000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.21
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.35
CY2016Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.19
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.53
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.21
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.34
CY2016Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.19
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.53
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	289000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	485000	USD
CY2016Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	289000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	485000	USD
CY2016Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2016Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
CY2016Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2015Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6115000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	47378000	USD
CY2016Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7606000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	54661000	USD
CY2015Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	24121000	USD
CY2016Q3	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	49342000	USD
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-49524000	USD
	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-53726000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-32378000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-17206000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	158000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	713000	USD
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	9917000	USD
	us-gaap	Increase Decrease In Deposit Other Assets IncreaseDecreaseInDepositOtherAssets	19754000	USD
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-43266000	USD
	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	25222000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-6621000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	3932000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3408000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	8486000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	5240000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	17438000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	5146000	USD
	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	24693000	USD
CY2015Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	389000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	392000	shares
CY2016Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	468000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	405000	shares
CY2015Q3	us-gaap	Interest Expense InterestExpense	19951000	USD
	us-gaap	Interest Expense InterestExpense	59719000	USD
CY2016Q3	us-gaap	Interest Expense InterestExpense	21632000	USD
	us-gaap	Interest Expense InterestExpense	64223000	USD
CY2015Q3	us-gaap	Interest Expense Other InterestExpenseOther	120000	USD
	us-gaap	Interest Expense Other InterestExpenseOther	347000	USD
CY2016Q3	us-gaap	Interest Expense Other InterestExpenseOther	164000	USD
	us-gaap	Interest Expense Other InterestExpenseOther	456000	USD
CY2015Q4	us-gaap	Inventory Net InventoryNet	54148000	USD
CY2016Q3	us-gaap	Inventory Net InventoryNet	58080000	USD
CY2015Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	37101000	USD
CY2016Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	39487000	USD
CY2015Q4	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	50750000	USD
CY2016Q3	us-gaap	Investments And Other Noncurrent Assets InvestmentsAndOtherNoncurrentAssets	55799000	USD
CY2015Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	11547000	USD
CY2016Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	11547000	USD
CY2016Q3	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	51500000	USD
CY1997Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	51500000	USD
CY2015Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust Noncurrent JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustNoncurrent	51547000	USD
CY2016Q3	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust Noncurrent JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustNoncurrent	51547000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	3378362000	USD
CY2016Q3	us-gaap	Liabilities Liabilities	3586582000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4906649000	USD
CY2016Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5215106000	USD
CY2015Q4	us-gaap	Liabilities Current LiabilitiesCurrent	474680000	USD
CY2016Q3	us-gaap	Liabilities Current LiabilitiesCurrent	341882000	USD
CY2015Q4	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	105000000	USD
CY2016Q3	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	84000000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1480111000	USD
CY2016Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1678257000	USD
CY2015Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	93167000	USD
CY2016Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	3257000	USD
CY2016Q3	us-gaap	Minority Interest MinorityInterest	263000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-52971000	USD
CY2015Q4	us-gaap	Long Term Pollution Control Bond LongTermPollutionControlBond	-83700000	USD
CY2016Q3	us-gaap	Long Term Pollution Control Bond LongTermPollutionControlBond	-83700000	USD
CY2015Q4	us-gaap	Minority Interest MinorityInterest	339000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	57435000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-271102000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-314953000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	311244000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	254118000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	13011000	USD
	us-gaap	Net Income Loss NetIncomeLoss	84706000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	12234000	USD
	us-gaap	Net Income Loss NetIncomeLoss	97137000	USD
CY2015Q4	us-gaap	Number Of Foreign Currency Derivatives Held NumberOfForeignCurrencyDerivativesHeld	24	derivative_contracts
CY2016Q3	us-gaap	Number Of Foreign Currency Derivatives Held NumberOfForeignCurrencyDerivativesHeld	22	derivative_contracts
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	Reportable_Segments
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	35912000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	182847000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	39594000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	207270000	USD
	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	10004000	USD
	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	11422000	USD
CY2015Q4	us-gaap	Other Assets Current OtherAssetsCurrent	30620000	USD
CY2016Q3	us-gaap	Other Assets Current OtherAssetsCurrent	35879000	USD
CY2015Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	5928000	USD
CY2016Q3	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	7731000	USD
CY2015Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	143646000	USD
CY2016Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	135954000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	246000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	737000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	140000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-949000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-246000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-737000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-140000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	949000	USD
CY2015Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	132000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	396000	USD
CY2016Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	75000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-512000	USD
CY2015Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	6462000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	22924000	USD
CY2016Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	6756000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	18862000	USD
CY2015Q4	us-gaap	Other Inventory OtherInventory	4273000	USD
CY2016Q3	us-gaap	Other Inventory OtherInventory	4754000	USD
CY2015Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	147896000	USD
CY2016Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	164119000	USD
CY2015Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	130821000	USD
CY2016Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	135578000	USD
CY2015Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	8983000	USD
CY2016Q3	us-gaap	Other Long Term Investments OtherLongTermInvestments	7146000	USD
CY2015Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2123000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6190000	USD
CY2016Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1562000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	7025000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	4429000	USD
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-15163000	USD
CY2015Q3	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	6244000	USD
	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	22829000	USD
CY2016Q3	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	6360000	USD
	us-gaap	Other Sales Revenue Net OtherSalesRevenueNet	17690000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2646000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	26611000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2920000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2000	us-gaap	Payments For Repurchase Of Trust Preferred Securities PaymentsForRepurchaseOfTrustPreferredSecurities	10000000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	61828000	USD
	us-gaap	Payments Of Dividends PaymentsOfDividends	65172000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	95000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	852000	USD
	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	270000	USD
CY2015Q3	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	95397000	USD
	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	273653000	USD
CY2016Q3	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	105362000	USD
	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	288342000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	272801000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	288072000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	28179000	USD
	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	29076000	USD
CY2015Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	201453000	USD
CY2016Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	202329000	USD
	us-gaap	Pension Contributions PensionContributions	12000000	USD
CY2015	us-gaap	Pension Contributions PensionContributions	12000000	USD
	us-gaap	Pension Contributions PensionContributions	12000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1397000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	66756000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	70000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-11015000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-3774000	USD
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	25000000	USD
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	82000000	USD
CY2015Q3	us-gaap	Profit Loss ProfitLoss	13043000	USD
	us-gaap	Profit Loss ProfitLoss	84779000	USD
CY2016Q3	us-gaap	Profit Loss ProfitLoss	12261000	USD
	us-gaap	Profit Loss ProfitLoss	97213000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	5331875000	USD
CY2016Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	5552541000	USD
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	300000	shares
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1200000	USD
	us-gaap	Revenues Revenues	1097471000	USD
CY2016Q3	us-gaap	Revenues Revenues	303349000	USD
	us-gaap	Revenues Revenues	1040360000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	5263000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	6261000	USD
CY2015Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	905000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	2701000	USD
CY2016Q3	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	507000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Additions PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions	2258000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	5891000	USD
	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	6306000	USD
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	1433286000	USD
CY2016Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	1496446000	USD
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	202683000	USD
CY2016Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	165559000	USD
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	3898589000	USD
CY2016Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	4056095000	USD
CY2015Q4	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	5129192000	USD
CY2016Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	5386982000	USD
CY2015Q3	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	9448000	USD
	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	28669000	USD
CY2016Q3	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	10047000	USD
	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	29757000	USD
CY2015Q4	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	558368000	USD
CY2016Q3	us-gaap	Regulated Entity Other Assets Noncurrent RegulatedEntityOtherAssetsNoncurrent	738682000	USD
CY2015Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	99798000	USD
CY2016Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	132131000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2174000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	92375000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	1431000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	0	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	530940000	USD
CY2016Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	562905000	USD
CY2015Q3	us-gaap	Revenues Revenues	313649000	USD
CY2015Q3	us-gaap	Stockholders Equity StockholdersEquity	1508197000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	1528287000	USD
CY2016Q3	us-gaap	Stockholders Equity StockholdersEquity	1628524000	USD
CY2015Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1508553000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1528626000	USD
CY2016Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1628787000	USD
CY2015Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	10852000	USD
CY2016Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	9879000	USD
CY2015Q3	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	36303000	USD
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	106279000	USD
CY2016Q3	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	40240000	USD
	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	119110000	USD
CY2015Q3	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	74315000	USD
	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	220599000	USD
CY2016Q3	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	75160000	USD
	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	229605000	USD
CY2015Q3	us-gaap	Utilities Operating Expense Products And Services UtilitiesOperatingExpenseProductsAndServices	138210000	USD
	us-gaap	Utilities Operating Expense Products And Services UtilitiesOperatingExpenseProductsAndServices	488886000	USD
CY2016Q3	us-gaap	Utilities Operating Expense Products And Services UtilitiesOperatingExpenseProductsAndServices	118737000	USD
	us-gaap	Utilities Operating Expense Products And Services UtilitiesOperatingExpenseProductsAndServices	390271000	USD
CY2015Q3	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	22269000	USD
	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	75424000	USD
CY2016Q3	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	22669000	USD
	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	74669000	USD
CY2015Q3	us-gaap	Utility Revenue UtilityRevenue	307405000	USD
	us-gaap	Utility Revenue UtilityRevenue	1074642000	USD
CY2016Q3	us-gaap	Utility Revenue UtilityRevenue	296989000	USD
	us-gaap	Utility Revenue UtilityRevenue	1022670000	USD
CY2015Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	62688000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	62691000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	64325000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	63687000	shares
CY2015Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	62299000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	62299000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	63857000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	63282000	shares
	us-gaap	Derivatives Reporting Of Derivative Activity DerivativesReportingOfDerivativeActivity	<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-style:italic;font-weight:bold;">Derivative Assets and Liabilities</font></div><div style="line-height:120%;padding-top:6px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Derivatives are recorded as either assets or liabilities on the Condensed Consolidated Balance Sheets measured at estimated fair value.</font></div><div style="line-height:120%;padding-top:12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Washington Utilities and Transportation Commission (UTC) and the Idaho Public Utilities Commission (IPUC) issued accounting orders authorizing Avista Corp. to offset energy commodity derivative assets or liabilities with a regulatory asset or liability. This accounting treatment is intended to defer the recognition of mark-to-market gains and losses on energy commodity transactions until the period of delivery. The orders provide for Avista Corp. to not recognize the unrealized gain or loss on utility derivative commodity instruments in the Condensed Consolidated Statements of Income. Realized gains or losses are recognized in the periods of delivery, subject to approval for recovery through retail rates. Realized gains and losses, result in adjustments to retail rates through purchased gas cost adjustments, the Energy Recovery Mechanism (ERM) in Washington, the Power Cost Adjustment (PCA) mechanism in Idaho, and periodic general rates cases. Regulatory assets are assessed regularly and are probable for recovery through future rates.</font></div><div style="line-height:120%;padding-top:12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Substantially all forward contracts to purchase or sell power and natural gas are recorded as derivative assets or liabilities at estimated fair value with an offsetting regulatory asset or liability. Contracts that are not considered derivatives are accounted for on the accrual basis until they are settled or realized unless there is a decline in the fair value of the contract that is determined to be other-than-temporary.</font></div><div style="line-height:120%;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">For interest rate swap derivatives, each period Avista Corp. records all mark-to-market gains and losses as assets and liabilities, and records offsetting regulatory assets and liabilities, such that there is no income statement impact. The interest rate swap derivatives are risk management tools similar to energy commodity derivatives. Upon settlement of interest rate swaps, the regulatory asset or liability is amortized as a component of interest expense over the term of the associated debt. The Company records an offset of interest rate swap assets and liabilities with regulatory assets and liabilities, based on the prior practice of the commissions to provide recovery through the ratemaking process.</font></div><div style="line-height:120%;padding-top:12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">As of </font><font style="font-family:inherit;font-size:10pt;">September 30, 2016</font><font style="font-family:inherit;font-size:10pt;">, the Company has multiple master netting agreements with a variety of entities that allow for cross-commodity netting of derivative agreements with the same counterparty (i.e. power derivatives can be netted with natural gas derivatives) under Accounting Standards Codification (ASC) 815-10-45. In addition, some master netting agreements allow for the netting of commodity derivatives and interest rate swap derivatives for the same counterparty. The Company does not have any agreements which allow for cross-affiliate netting among multiple affiliated legal entities. The Company nets all derivative instruments when allowed by the agreement for presentation in the Condensed Consolidated Balance Sheets.</font></div><div style="line-height:120%;padding-top:12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;"></font></div></div>
	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:6px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Nature of Business</font></div><div style="line-height:120%;padding-top:6px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Avista Corp. is primarily an electric and natural gas utility with certain other business ventures. Avista Utilities is an operating division of Avista Corp., comprising the regulated utility operations in the Pacific Northwest. Avista Utilities provides electric distribution and transmission, and natural gas distribution services in parts of eastern Washington and northern Idaho. Avista Utilities also provides natural gas distribution service in parts of northeastern and southwestern Oregon. Avista Utilities has electric generating facilities in Washington, Idaho, Oregon and Montana. Avista Utilities also supplies electricity to a small number of customers in Montana, most of whom are employees who operate Avista Utilities' Noxon Rapids generating facility.</font></div><div style="line-height:120%;padding-top:6px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Alaska Energy and Resources Company (AERC) is a wholly-owned subsidiary of Avista Corp. The primary subsidiary of AERC is Alaska Electric Light and Power Company (AEL&P), which comprises Avista Corp.'s regulated utility operations in Alaska. Avista Capital, Inc. (Avista Capital), a wholly owned non-regulated subsidiary of Avista Corp., is the parent company of all of the subsidiary companies in the non-utility businesses, with the exception of AJT Mining Properties, Inc. in Alaska.</font></div></div>

Files In Submission

Name	View Source	Status
0000104918-16-000278-index-headers.html	Edgar Link	pending
0000104918-16-000278-index.html	Edgar Link	pending
0000104918-16-000278.txt	Edgar Link	pending
0000104918-16-000278-xbrl.zip	Edgar Link	pending
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ava-20160930_cal.xml	Edgar Link	unprocessable
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$AVA
AVISTA CORP Stock $ava

2016 Q3 Form 10-Q Financial Statement

#000010491816000278 Filed on November 01, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AVA AVISTA CORP Stock $ava

2016 Q3 Form 10-Q Financial Statement

#000010491816000278 Filed on November 01, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AVA
AVISTA CORP Stock $ava