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v2.4.1.9

Consolidated Statements of Operations and Comprehensive Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Sales of products | $ 500,781 us-gaap_SalesRevenueGoodsGross | $ 382,589 us-gaap_SalesRevenueGoodsGross | $ 321,143 us-gaap_SalesRevenueGoodsGross
Cost of sales and other direct production costs | 304,446 us-gaap_CostOfGoodsSold | 235,316 us-gaap_CostOfGoodsSold | 134,105 us-gaap_CostOfGoodsSold
Depreciation, depletion and amortization | 111,134 us-gaap_CostOfGoodsSoldDepreciationAndAmortization | 81,127 us-gaap_CostOfGoodsSoldDepreciationAndAmortization | 43,522 us-gaap_CostOfGoodsSoldDepreciationAndAmortization
Total cost of sales | 415,580 us-gaap_CostOfRevenue | 316,443 us-gaap_CostOfRevenue | 177,627 us-gaap_CostOfRevenue
Gross profit | 85,201 us-gaap_GrossProfit | 66,146 us-gaap_GrossProfit | 143,516 us-gaap_GrossProfit
Other operating expenses: |  |  |
General and administrative | 31,538 us-gaap_GeneralAndAdministrativeExpense | 28,925 us-gaap_GeneralAndAdministrativeExpense | 21,253 us-gaap_GeneralAndAdministrativeExpense
Exploration | 17,698 hl_Exploration | 23,502 hl_Exploration | 31,822 hl_Exploration
Pre-development | 1,969 hl_Predevelopment | 14,148 hl_Predevelopment | 17,916 hl_Predevelopment
Provision for closed operations and environmental matters | 10,098 us-gaap_EnvironmentalRemediationExpense | 5,403 us-gaap_EnvironmentalRemediationExpense | 4,652 us-gaap_EnvironmentalRemediationExpense
Other operating expense | 2,295 us-gaap_OtherCostAndExpenseOperating | 1,641 us-gaap_OtherCostAndExpenseOperating | 4,423 us-gaap_OtherCostAndExpenseOperating
(Gain) loss on disposition of property, plants, equipment and mineral interests | (25)us-gaap_GainLossOnDispositionOfAssets | (75)us-gaap_GainLossOnDispositionOfAssets | 275 us-gaap_GainLossOnDispositionOfAssets
Lucky Friday suspension-related (income) costs |  | (1,401)hl_SuspensionRelatedIncomeCosts | 25,309 hl_SuspensionRelatedIncomeCosts
Aurizon acquisition costs |  | 26,397 us-gaap_BusinessCombinationAcquisitionRelatedCosts |
Total other operating expense | 63,573 us-gaap_OperatingExpenses | 98,540 us-gaap_OperatingExpenses | 105,650 us-gaap_OperatingExpenses
Income (loss) from operations | 21,628 us-gaap_OperatingIncomeLoss | (32,394)us-gaap_OperatingIncomeLoss | 37,866 us-gaap_OperatingIncomeLoss
Other income (expense): |  |  |
Gain (loss) on derivative contracts | 9,134 us-gaap_GainLossOnSaleOfDerivatives | 17,979 us-gaap_GainLossOnSaleOfDerivatives | (10,457)us-gaap_GainLossOnSaleOfDerivatives
Net gain on sale of investments |  | 197 us-gaap_GainLossOnSaleOfInvestments |
Unrealized loss on investments | (3,224)us-gaap_UnrealizedGainLossOnInvestments | (2,639)us-gaap_UnrealizedGainLossOnInvestments | (1,171)us-gaap_UnrealizedGainLossOnInvestments
Net foreign exchange gain (loss) | 11,535 us-gaap_ForeignCurrencyTransactionGainLossRealized | 2,959 us-gaap_ForeignCurrencyTransactionGainLossRealized | (63)us-gaap_ForeignCurrencyTransactionGainLossRealized
Interest and other income | 286 us-gaap_InterestAndOtherIncome | 662 us-gaap_InterestAndOtherIncome | 85 us-gaap_InterestAndOtherIncome
Interest expense | (26,775)us-gaap_InterestExpense | (21,689)us-gaap_InterestExpense | (2,427)us-gaap_InterestExpense
Total other income (expense): | (9,044)us-gaap_NonoperatingIncomeExpense | (2,531)us-gaap_NonoperatingIncomeExpense | (14,033)us-gaap_NonoperatingIncomeExpense
Income (loss) before income taxes | 12,584 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | (34,925)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 23,833 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax benefit (provision) | 5,240 us-gaap_IncomeTaxExpenseBenefit | 9,795 us-gaap_IncomeTaxExpenseBenefit | (8,879)us-gaap_IncomeTaxExpenseBenefit
Net income (loss) | 17,824 us-gaap_NetIncomeLoss | (25,130)us-gaap_NetIncomeLoss | 14,954 us-gaap_NetIncomeLoss
Unrealized gain (loss) and amortization of prior service on pension plans | (6,875)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax | 2,230 us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax | (1,644)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
Unrealized holding gains (losses) on investments | (1,282)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax | (7,249)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax | 53 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
Reclassification of impairment of investments included in net income (loss) | 2,425 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | 2,638 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | 1,171 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Total change in accumulated other comprehensive income (loss), net | (5,732)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | (2,381)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | (420)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Preferred stock dividends | (552)us-gaap_DividendsPreferredStock | (552)us-gaap_DividendsPreferredStock | (552)us-gaap_DividendsPreferredStock
Income (loss) applicable to common stockholders | 17,272 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | (25,682)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 14,402 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Net income (loss) | 17,824 us-gaap_NetIncomeLoss | (25,130)us-gaap_NetIncomeLoss | 14,954 us-gaap_NetIncomeLoss
Unrealized gain (loss) and amortization of prior service on pension plans | (6,875)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax | 2,230 us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax | (1,644)us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
Unrealized holding gains (losses) on investments | (1,282)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax | (7,249)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax | 53 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
Reclassification of impairment of investments included in net income (loss) | 2,425 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | 2,638 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax | 1,171 us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
Total change in accumulated other comprehensive income (loss), net | (5,732)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | (2,381)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | (420)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Comprehensive income (loss) | $ 12,092 us-gaap_ComprehensiveIncomeNetOfTax | $ (27,511)us-gaap_ComprehensiveIncomeNetOfTax | $ 14,534 us-gaap_ComprehensiveIncomeNetOfTax
Basic income (loss) per common share after preferred dividends (in Dollars per share) | $ 0.05 us-gaap_EarningsPerShareBasic | $ (0.08)us-gaap_EarningsPerShareBasic | $ 0.05 us-gaap_EarningsPerShareBasic
Diluted income (loss) per common share after preferred dividends (in Dollars per share) | $ 0.05 us-gaap_EarningsPerShareDiluted | $ (0.08)us-gaap_EarningsPerShareDiluted | $ 0.05 us-gaap_EarningsPerShareDiluted
Weighted average number of common shares outstanding – basic (in Shares) | 353,442 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 318,679 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 285,375 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted average number of common shares outstanding – diluted (in Shares) | 357,435 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 318,679 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 297,566 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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