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v2.4.1.9

Consolidated Statements Of Income (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
Operating revenues | $ 2,139,289 us-gaap_Revenues | $ 2,029,183 us-gaap_Revenues | $ 2,036,386 us-gaap_Revenues
Operating expenses: |  |  |
Salaries, wages and benefits | 584,006 us-gaap_LaborAndRelatedExpense | 545,419 us-gaap_LaborAndRelatedExpense | 544,322 us-gaap_LaborAndRelatedExpense
Fuel | 346,058 us-gaap_FuelCosts | 371,789 us-gaap_FuelCosts | 401,417 us-gaap_FuelCosts
Supplies and maintenance | 188,437 us-gaap_DirectOperatingMaintenanceSuppliesCosts | 179,172 us-gaap_DirectOperatingMaintenanceSuppliesCosts | 172,505 us-gaap_DirectOperatingMaintenanceSuppliesCosts
Taxes and licenses | 85,468 us-gaap_CostOfServicesDirectTaxesAndLicensesCosts | 86,686 us-gaap_CostOfServicesDirectTaxesAndLicensesCosts | 90,002 us-gaap_CostOfServicesDirectTaxesAndLicensesCosts
Insurance and claims | 80,375 us-gaap_OperatingInsuranceAndClaimsCostsProduction | 71,177 us-gaap_OperatingInsuranceAndClaimsCostsProduction | 65,593 us-gaap_OperatingInsuranceAndClaimsCostsProduction
Depreciation | 176,984 us-gaap_Depreciation | 173,019 us-gaap_Depreciation | 166,957 us-gaap_Depreciation
Rent and purchased transportation | 498,782 wern_RentAndPurchasedTransportation | 456,885 wern_RentAndPurchasedTransportation | 420,480 wern_RentAndPurchasedTransportation
Communications and utilities | 14,220 us-gaap_DirectCommunicationsAndUtilitiesCosts | 13,506 us-gaap_DirectCommunicationsAndUtilitiesCosts | 13,745 us-gaap_DirectCommunicationsAndUtilitiesCosts
Other | 4,871 us-gaap_OtherCostAndExpenseOperating | (8,196)us-gaap_OtherCostAndExpenseOperating | (10,079)us-gaap_OtherCostAndExpenseOperating
Total operating expenses | 1,979,201 us-gaap_CostsAndExpenses | 1,889,457 us-gaap_CostsAndExpenses | 1,864,942 us-gaap_CostsAndExpenses
Operating income | 160,088 us-gaap_OperatingIncomeLoss | 139,726 us-gaap_OperatingIncomeLoss | 171,444 us-gaap_OperatingIncomeLoss
Other expense (income): |  |  |
Interest expense | 881 us-gaap_InterestExpense | 454 us-gaap_InterestExpense | 288 us-gaap_InterestExpense
Interest income | (2,538)us-gaap_InvestmentIncomeInterest | (2,269)us-gaap_InvestmentIncomeInterest | (1,837)us-gaap_InvestmentIncomeInterest
Other | (29)us-gaap_OtherNonoperatingIncomeExpense | (170)us-gaap_OtherNonoperatingIncomeExpense | (173)us-gaap_OtherNonoperatingIncomeExpense
Total other income | (1,686)us-gaap_NonoperatingIncomeExpense | (1,985)us-gaap_NonoperatingIncomeExpense | (1,722)us-gaap_NonoperatingIncomeExpense
Income before income taxes | 161,774 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 141,711 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 173,166 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income taxes | 63,124 us-gaap_IncomeTaxExpenseBenefit | 54,926 us-gaap_IncomeTaxExpenseBenefit | 70,132 us-gaap_IncomeTaxExpenseBenefit
Net income | $ 98,650 us-gaap_NetIncomeLoss | $ 86,785 us-gaap_NetIncomeLoss | $ 103,034 us-gaap_NetIncomeLoss
Earnings per share: |  |  |
Basic | $ 1.37 us-gaap_EarningsPerShareBasic | $ 1.19 us-gaap_EarningsPerShareBasic | $ 1.41 us-gaap_EarningsPerShareBasic
Diluted | $ 1.36 us-gaap_EarningsPerShareDiluted | $ 1.18 us-gaap_EarningsPerShareDiluted | $ 1.40 us-gaap_EarningsPerShareDiluted
Weighted-average common shares outstanding: |  |  |
Basic | 72,122 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 72,866 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 72,909 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted | 72,738 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 73,428 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 73,453 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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