$HTLD
HEARTLAND EXPRESS INC Stock $htld

$htld Overview Financials Valuation SEC Filings Company Website

2011 Q4 Form 10-K Financial Statement

#000079923313000013 Filed on March 01, 2013

Income Statement

Concept	2011 Q4	2011 Q3	2011 Q2
Revenue	$131.2M	$132.5M	$137.2M
YoY Change	1.52%	4.15%	7.68%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$93.40M	$96.00M	$99.10M
YoY Change	5.66%	10.73%	11.98%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$16.50M	$14.90M	$13.66M
YoY Change	5.1%	-1.58%	-11.15%
% of Gross Profit
Operating Expenses	$114.1M	$114.2M	$116.2M
YoY Change	6.14%	7.53%	8.19%
Operating Profit	$26.87M	$25.13M	$32.69M
YoY Change	9.55%	-13.52%	48.35%
Interest Expense	$200.0K	$200.0K	$200.0K
YoY Change	-33.33%	-33.33%	-50.0%
% of Operating Profit	0.74%	0.8%	0.61%
Other Income/Expense, Net
YoY Change
Pretax Income	$27.02M	$25.31M	$32.90M
YoY Change	9.03%	-13.95%	46.53%
Income Tax	$9.900M	$9.907M	$10.36M
% Of Pretax Income	36.64%	39.15%	31.5%
Net Earnings	$17.12M	$15.40M	$22.53M
YoY Change	11.33%	-15.84%	35.3%
Net Earnings / Revenue	13.05%	11.62%	16.42%
Basic Earnings Per Share	$0.20	$0.17	$0.25
Diluted Earnings Per Share	$0.20	$0.17	$0.25
COMMON SHARES
Basic Shares Outstanding	87.26M shares	90.13M shares	90.69M shares
Diluted Shares Outstanding		90.13M shares	90.69M shares

Balance Sheet

Concept	2011 Q4	2011 Q3	2011 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$139.8M	$152.4M	$154.0M
YoY Change	8.04%	-22.01%	1.12%
Cash & Equivalents	$139.8M	$141.1M	$151.4M
Short-Term Investments	$0.00	$11.30M	$2.600M
Other Short-Term Assets	$1.932M	$6.587M	$11.58M
YoY Change	12.0%	51.39%	125.79%
Inventory
Prepaid Expenses
Receivables	$44.20M	$44.42M	$46.89M
Other Receivables	$300.0K	$1.500M	$900.0K
Total Short-Term Assets	$213.4M	$232.4M	$240.1M
YoY Change	10.14%	-12.14%	9.24%
LONG-TERM ASSETS
Property, Plant & Equipment	$248.4M	$245.5M	$236.8M
YoY Change	12.7%	8.06%	-0.17%
Goodwill	$4.815M	$4.815M	$4.815M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$50.60M	$53.10M	$64.50M
YoY Change	-37.06%	-42.35%	-37.32%
Other Assets	$8.400M	$8.300M	$8.100M
YoY Change	27.27%	29.69%	28.57%
Total Long-Term Assets	$312.2M	$311.8M	$314.2M
YoY Change	-0.01%	-5.69%	-10.56%
TOTAL ASSETS
Total Short-Term Assets	$213.4M	$232.4M	$240.1M
Total Long-Term Assets	$312.2M	$311.8M	$314.2M
Total Assets	$525.7M	$544.2M	$554.3M
YoY Change	3.88%	-8.56%	-2.94%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$9.100M	$16.60M	$15.50M
YoY Change	-17.27%	29.69%	82.35%
Accrued Expenses	$36.60M	$40.90M	$41.50M
YoY Change	-3.43%	-6.62%	-4.82%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$45.66M	$57.50M	$56.94M
YoY Change	-6.62%	-61.45%	9.41%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$81.60M	$77.90M	$77.30M
YoY Change	-0.49%	-4.88%	-6.19%
Total Long-Term Liabilities	$139.2M	$134.7M	$129.4M
YoY Change	13.24%	7.52%	2.12%
TOTAL LIABILITIES
Total Short-Term Liabilities	$45.66M	$57.50M	$56.94M
Total Long-Term Liabilities	$139.2M	$134.7M	$129.4M
Total Liabilities	$184.9M	$192.2M	$186.4M
YoY Change	7.59%	-29.96%	4.24%
SHAREHOLDERS EQUITY
Retained Earnings	$398.7M	$383.3M	$369.7M
YoY Change	18.69%	18.91%	-6.77%
Common Stock	$1.496M	$1.346M	$1.346M
YoY Change	11.14%	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$56.35M	$29.64M
YoY Change
Treasury Stock Shares	4.214M shares	2.207M shares
Shareholders Equity	$340.8M	$351.9M	$368.0M
YoY Change
Total Liabilities & Shareholders Equity	$525.7M	$544.2M	$554.3M
YoY Change	3.88%	-8.56%	-2.94%

Cashflow Statement

Concept	2011 Q4	2011 Q3	2011 Q2
OPERATING ACTIVITIES
Net Income	$17.12M	$15.40M	$22.53M
YoY Change	11.33%	-15.84%	35.3%
Depreciation, Depletion And Amortization	$16.50M	$14.90M	$13.66M
YoY Change	5.1%	-1.58%	-11.15%
Cash From Operating Activities	$27.20M	$30.10M	$17.90M
YoY Change	5.84%	20.4%	-6.77%
INVESTING ACTIVITIES
Capital Expenditures	-$35.00M	-$30.60M	-$37.30M
YoY Change	139.73%
Acquisitions
YoY Change
Other Investing Activities	$37.40M	$20.80M	$27.00M
YoY Change	8.72%	-31.35%	141.07%
Cash From Investing Activities	$2.500M	-$9.700M	-$10.40M
YoY Change	-87.37%	-131.8%	-192.86%
FINANCING ACTIVITIES
Cash Dividend Paid		$1.800M	$1.800M
YoY Change		-98.02%
Common Stock Issuance & Retirement, Net	$769.0K	$28.88M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-31.00M	-30.70M	-1.800M
YoY Change	-67.13%	1605.56%	0.0%
NET CHANGE
Cash From Operating Activities	27.20M	30.10M	17.90M
Cash From Investing Activities	2.500M	-9.700M	-10.40M
Cash From Financing Activities	-31.00M	-30.70M	-1.800M
Net Change In Cash	-1.300M	-10.30M	5.700M
YoY Change	-97.34%	-119.18%	-80.07%
FREE CASH FLOW
Cash From Operating Activities	$27.20M	$30.10M	$17.90M
Capital Expenditures	-$35.00M	-$30.60M	-$37.30M
Free Cash Flow	$62.20M	$60.70M	$55.20M
YoY Change	54.34%		187.5%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2011Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	9088000	USD
CY2012Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	7583000	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	46555000	USD
CY2011Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	44198000	USD
CY2012Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	23122000	USD
CY2011Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	24077000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	189959000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	161269000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1300000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3081000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1284000	USD
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	589000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2968000	USD
CY2012	us-gaap	Advertising Cost Policy Expensed Advertising Cost AdvertisingCostPolicyExpensedAdvertisingCost	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Advertising Costs</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company expenses all advertising costs as incurred.  Advertising costs are included in other operating expenses in the consolidated statements of comprehensive income. Advertising expense was </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$1.0 million</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$1.2 million</font><font style="font-family:inherit;font-size:10pt;">, and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$0.7 million</font><font style="font-family:inherit;font-size:10pt;"> for the years ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December 31, 2012</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2011</font><font style="font-family:inherit;font-size:10pt;">, and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2010</font><font style="font-family:inherit;font-size:10pt;">.</font></div></div>
CY2011	us-gaap	Advertising Expense AdvertisingExpense	1200000	USD
CY2012	us-gaap	Advertising Expense AdvertisingExpense	1000000	USD
CY2010	us-gaap	Advertising Expense AdvertisingExpense	700000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	800000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	800000	USD
CY2012	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	0	USD
CY2011	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	0	USD
CY2012Q4	us-gaap	Assets Assets	467737000	USD
CY2011Q4	us-gaap	Assets Assets	525666000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	191425000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	213435000	USD
CY2008Q1	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	198500000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	0	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	0	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	21275000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	19991000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	25000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	25000	USD
CY2012Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	20000000	USD
CY2011Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	50600000	USD
CY2010	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	0	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	0	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gains Losses Sale Proceeds AvailableForSaleSecuritiesGrossRealizedGainsLossesSaleProceeds	0	USD
CY2012Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	26761000	USD
CY2011Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	26761000	USD
CY2012	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	698000	USD
CY2011	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1683000	USD
CY2010	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1190000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	139770000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	119838000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	121120000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	52351000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	68769000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	18650000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-19932000	USD
CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2010	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.08
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.08
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	395000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	395000000	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	90689000	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	90689000	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	84770000	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	86475000	shares
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	907000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	907000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	64461000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	69932000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	63338000	USD
CY2012	us-gaap	Cost Of Services Direct Taxes And Licenses Costs CostOfServicesDirectTaxesAndLicensesCosts	8694000	USD
CY2010	us-gaap	Cost Of Services Direct Taxes And Licenses Costs CostOfServicesDirectTaxesAndLicensesCosts	8480000	USD
CY2011	us-gaap	Cost Of Services Direct Taxes And Licenses Costs CostOfServicesDirectTaxesAndLicensesCosts	9225000	USD
CY2011	us-gaap	Cost Of Services Maintenance Costs CostOfServicesMaintenanceCosts	20938000	USD
CY2012	us-gaap	Cost Of Services Maintenance Costs CostOfServicesMaintenanceCosts	25282000	USD
CY2010	us-gaap	Cost Of Services Maintenance Costs CostOfServicesMaintenanceCosts	17086000	USD
CY2010	us-gaap	Costs And Expenses CostsAndExpenses	408067000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	40165000	USD
CY2011	us-gaap	Costs And Expenses CostsAndExpenses	422066000	USD
CY2012	us-gaap	Costs And Expenses CostsAndExpenses	450844000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	20460000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	38148000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	57661000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	51306000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2195000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	39784000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	22655000	USD
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	39097000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1636000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-1068000	USD
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-7804000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	16587000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5890000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	14743000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5750000	USD
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8440000	USD
CY2012Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	79266000	USD
CY2011Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	84781000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1844000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	140000	USD
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-636000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	42206000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	42599000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-43260000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-37509000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	41521000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	41757000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	13797000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	14401000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1230000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1011000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense DeferredTaxAssetsTaxDeferredExpense	5767000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense DeferredTaxAssetsTaxDeferredExpense	5658000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	46000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	579000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	6513000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	6655000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	288000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	305000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	27677000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	27549000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	1078000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	449000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1078000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	449000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	738000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	689000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	1195000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	1351000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	82897000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	77177000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	800000	USD
CY2010	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	700000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	700000	USD
CY2010	us-gaap	Depreciation Depreciation	61949000	USD
CY2011	us-gaap	Depreciation Depreciation	57226000	USD
CY2012	us-gaap	Depreciation Depreciation	57158000	USD
CY2010	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	61949000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	57821000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	57876000	USD
CY2012	us-gaap	Description Of New Accounting Pronouncements Not Yet Adopted DescriptionOfNewAccountingPronouncementsNotYetAdopted	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Accounting Pronouncements</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">In February 2013, the FASB issued new accounting guidance which requires companies to provide information about the amounts reclassified out of accumulated other comprehensive income (loss) by component. In addition, a company is required to present significant amounts reclassified out of comprehensive income (loss) by the respective line items of net income. This guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2012. The Company will reflect the impact of these amendments, if any, beginning with the Company's Quarterly Report on Form 10-Q for the period ending March 31, 2013. As the new standard does not change the current requirements for reporting net income or other comprehensive loss in the financial statements, the Company's financial position, results of operations or cash flows will not be impacted.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></div>
CY2012	us-gaap	Direct Communications And Utilities Costs DirectCommunicationsAndUtilitiesCosts	2953000	USD
CY2010	us-gaap	Direct Communications And Utilities Costs DirectCommunicationsAndUtilitiesCosts	3187000	USD
CY2011	us-gaap	Direct Communications And Utilities Costs DirectCommunicationsAndUtilitiesCosts	2957000	USD
CY2011	us-gaap	Dividends Common Stock DividendsCommonStock	-7148000	USD
CY2012	us-gaap	Dividends Common Stock DividendsCommonStock	-91934000	USD
CY2010	us-gaap	Dividends Common Stock DividendsCommonStock	-97944000	USD
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.78
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.72
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.25
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.21
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.20
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.78
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.71
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.69
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.17
CY2012Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	16409000	USD
CY2011Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	15493000	USD
CY2012Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	2200000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y9M22D
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P4Y5M15D
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	1797000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-32350000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases Sales Issuances Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlements	-38125000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	50569000	USD
CY2012Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	20016000	USD
CY2010Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	88694000	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	0	USD
CY2011	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	USD
CY2012	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	USD
CY2012	us-gaap	Fuel Costs FuelCosts	168981000	USD
CY2010	us-gaap	Fuel Costs FuelCosts	126477000	USD
CY2011	us-gaap	Fuel Costs FuelCosts	161915000	USD
CY2012Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	2269000	USD
CY2011Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	2269000	USD
CY2010	us-gaap	Gain Loss On Disposition Of Property GainLossOnDispositionOfProperty	13317000	USD
CY2012	us-gaap	Gain Loss On Disposition Of Property GainLossOnDispositionOfProperty	15109000	USD
CY2011	us-gaap	Gain Loss On Disposition Of Property GainLossOnDispositionOfProperty	32133000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	4815000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	4815000	USD
CY2011Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1300000	USD
CY2012Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1300000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	95575000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	107330000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	92873000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	24882000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	23920000	USD
CY2011Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	27019000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	26915000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	22110000	USD
CY2011Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	32895000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	19858000	USD
CY2011Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	25306000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37398000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34034000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	30657000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	37565000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	33451000	USD
CY2010	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	32506000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-307000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	115000	USD
CY2010	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-16000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1554000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	981000	USD
CY2010	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-213000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-616000	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-1377000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-1159000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	48000	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	243000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	104000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	24152000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	42776000	USD
CY2010	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	40502000	USD
CY2012Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	2351000	USD
CY2011Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	314000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	953000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1609000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-952000	USD
CY2010	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-1404000	USD
CY2011	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-1498000	USD
CY2012	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-2992000	USD
CY2010	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	8440000	USD
CY2011	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-14743000	USD
CY2012	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	5751000	USD
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	6459000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-5688000	USD
CY2010	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-252000	USD
CY2012	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	2357000	USD
CY2010	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	4258000	USD
CY2011	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	2579000	USD
CY2010	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	217000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	704000	USD
CY2011	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	1818000	USD
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	309000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	17000	shares
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	674000	USD
CY2010	us-gaap	Investment Income Interest InvestmentIncomeInterest	1424000	USD
CY2011	us-gaap	Investment Income Interest InvestmentIncomeInterest	773000	USD
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	166717000	USD
CY2010	us-gaap	Labor And Related Expense LaborAndRelatedExpense	167980000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	167073000	USD
CY2011Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	17451000	USD
CY2012Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	17451000	USD
CY2012Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	3200000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	467737000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	525666000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	45663000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	45355000	USD
CY2012Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	132018000	USD
CY2011Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	139232000	USD
CY2012Q4	us-gaap	Long Term Investments LongTermInvestments	20016000	USD
CY2011Q4	us-gaap	Long Term Investments LongTermInvestments	50569000	USD
CY2011Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	7324000	USD
CY2012Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	7266000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-63498000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-116124000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-97944000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-16932000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	68106000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5981000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	102173000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	99080000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	98607000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	62216000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	61541000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	69932000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	16588000	USD
CY2011Q2	us-gaap	Net Income Loss NetIncomeLoss	22532000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	14879000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	14292000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	12434000	USD
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	15399000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	18227000	USD
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	17122000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	61541000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	69932000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	106557000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	94901000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	91449000	USD
CY2011Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	32687000	USD
CY2012Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	24708000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	23778000	USD
CY2011Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	26865000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	26748000	USD
CY2012Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	19667000	USD
CY2011Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	21873000	USD
CY2011Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	25132000	USD
CY2010	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	12526000	USD
CY2011	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	13142000	USD
CY2012	us-gaap	Operating Insurance And Claims Costs Production OperatingInsuranceAndClaimsCostsProduction	14906000	USD
CY2012Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	7439000	USD
CY2011Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	7085000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	2281000	USD
CY2011Q4	us-gaap	Other Assets Current OtherAssetsCurrent	1932000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1797000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2245000	USD
CY2011	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	14552000	USD
CY2012	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	14633000	USD
CY2010	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	14239000	USD
CY2012Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	6603000	USD
CY2011Q4	us-gaap	Other Prepaid Expense Current OtherPrepaidExpenseCurrent	12820000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	24190000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	56350000	USD
CY2012	us-gaap	Payments Of Dividends PaymentsOfDividends	6900000	USD
CY2012Q4	us-gaap	Payments Of Dividends PaymentsOfDividends	85000000	USD
CY2011	us-gaap	Payments Of Dividends PaymentsOfDividends	7100000	USD
CY2010Q3	us-gaap	Payments Of Dividends PaymentsOfDividends	90700000	USD
CY2010	us-gaap	Payments Of Dividends PaymentsOfDividends	7300000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	7148000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	91934000	USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	97944000	USD
CY2011	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	USD
CY2010	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	18000000	USD
CY2012	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	126257000	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14551000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	66811000	USD
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2011Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2012Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	177200000	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	32400000	USD
CY2011	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	38125000	USD
CY2010	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	79225000	USD
CY2012	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	32350000	USD
CY2010	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	21649000	USD
CY2011	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	73018000	USD
CY2012	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	29184000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	432330000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	409710000	USD
CY2012	us-gaap	Property Plant And Equipment Impairment PropertyPlantAndEquipmentImpairment	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Impairment of Long-Lived Assets</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company periodically evaluates property and equipment for impairment upon the occurrence of events or changes in circumstances that indicate the carrying amount of assets may not be recoverable. Recoverability of assets to be held and used is evaluated by a comparison of the carrying amount of an asset group to future net undiscounted cash flows expected to be generated by the group. If such assets are considered to be impaired, the impairment to be recognized is measured by the amount over which the carrying amount of the assets exceeds the fair value of the assets.  There were no impairment charges recognized during the years ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December 31, 2012</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2011</font><font style="font-family:inherit;font-size:10pt;">, and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2010</font><font style="font-family:inherit;font-size:10pt;">, respectively.</font></div></div>
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	242371000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	248441000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	368313000	USD
CY2012Q4	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	9110000	USD
CY2011Q4	us-gaap	Restricted Cash And Investments Noncurrent RestrictedCashAndInvestmentsNoncurrent	8406000	USD
CY2011Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	8400000	USD
CY2012Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	9100000	USD
CY2011Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	398706000	USD
CY2011	us-gaap	Revenues Revenues	528623000	USD
CY2010	us-gaap	Revenues Revenues	499516000	USD
CY2012	us-gaap	Revenues Revenues	545745000	USD
CY2011Q1	us-gaap	Revenues Revenues	127692000	USD
CY2011Q2	us-gaap	Revenues Revenues	137192000	USD
CY2012Q4	us-gaap	Revenues Revenues	136192000	USD
CY2012Q1	us-gaap	Revenues Revenues	134833000	USD
CY2011Q4	us-gaap	Revenues Revenues	131210000	USD
CY2012Q2	us-gaap	Revenues Revenues	139710000	USD
CY2011Q3	us-gaap	Revenues Revenues	132529000	USD
CY2012Q3	us-gaap	Revenues Revenues	135010000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	340771000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	290364000	USD
CY2012Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	57590000	USD
CY2011Q4	us-gaap	Self Insurance Reserve Noncurrent SelfInsuranceReserveNoncurrent	57494000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	150000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	2379000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	0	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4800000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	-4000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0	shares
CY2012Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	13924000	USD
CY2011Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	13997000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	13.57
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	0.00
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	0	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	351000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.00
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	13.57
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	277000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	351000	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	0	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	13.57
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	13.57
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	13.57
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	0.00
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	-70000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	0	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	13.57
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	0.00
CY2012Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Of Change Lower Bound SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound	-500000	USD
CY2012Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Of Change Upper Bound SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound	500000	USD
CY2011	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	351000	shares
CY2010Q4	us-gaap	Stockholders Equity StockholdersEquity	334187000	USD
CY2009Q4	us-gaap	Stockholders Equity StockholdersEquity	367670000	USD
CY2011	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	4214000	shares
CY2012Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	5919000	shares
CY2011Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	4214000	shares
CY2010	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2012	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	1775000	shares
CY2012Q4	us-gaap	Treasury Stock Value TreasuryStockValue	80540000	USD
CY2011Q4	us-gaap	Treasury Stock Value TreasuryStockValue	56350000	USD
CY2011	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	-56350000	USD
CY2012	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	-24190000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	16062000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	15723000	USD
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	18140000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	134000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	8000000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	7400000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	600000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	1200000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	1400000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1146000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1200000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1075000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2011	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-2100000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	-300000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2426000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3278000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	10300000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	10100000	USD
CY2012Q4	us-gaap	Unrecorded Unconditional Purchase Obligation Balance Sheet Amount UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount	44300000	USD
CY2012	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of the consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates.</font></div></div>
CY2012Q4	us-gaap	Valuation Allowance Amount ValuationAllowanceAmount	400000	USD
CY2011Q4	us-gaap	Valuation Allowance Amount ValuationAllowanceAmount	1100000	USD
CY2010Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	775000	USD
CY2011Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	791000	USD
CY2012Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	829000	USD
CY2009Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	775000	USD
CY2012	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	205000	USD
CY2011	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	83000	USD
CY2010	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	3000	USD
CY2012	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	0	USD
CY2011	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	0	USD
CY2010	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	0	USD
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85892000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	89656000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86201000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	90689000	shares
CY2011	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	67000	USD
CY2012	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	167000	USD
CY2010	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	3000	USD
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	90689000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	89673000	shares
CY2012	htld	Amortization Period Of Tires AmortizationPeriodOfTires	P2Y
CY2012	htld	Auction Rate Securities Debt Rate Setting Interval AuctionRateSecuritiesDebtRateSettingInterval	35	days
CY2012Q4	htld	Auction Rate Security Investments Percentage Of Total Assets AuctionRateSecurityInvestmentsPercentageOfTotalAssets	0.043
CY2012Q4	htld	Auto Liability Retention Limit AutoLiabilityRetentionLimit	2000000	USD
CY2012Q4	htld	Basis Of Tested Impact On Securities BasisOfTestedImpactOnSecurities	0.0050
CY2012	htld	Concentration Of Risk Number Of Customers ConcentrationOfRiskNumberOfCustomers	5	Customer
CY2012Q4	htld	Customer Credit Terms Days CustomerCreditTermsDays	30	D
CY2012Q4	htld	Excess Insurance Coverage Limit ExcessInsuranceCoverageLimit	55000000	USD
CY2012	htld	Fair Value Of Revenue Equipment Traded FairValueOfRevenueEquipmentTraded	0	USD
CY2011	htld	Fair Value Of Revenue Equipment Traded FairValueOfRevenueEquipmentTraded	0	USD
CY2010	htld	Fair Value Of Revenue Equipment Traded FairValueOfRevenueEquipmentTraded	14604000	USD
CY2012	htld	Fuel Surcharge Revenue FuelSurchargeRevenue	112400000	USD
CY2011	htld	Fuel Surcharge Revenue FuelSurchargeRevenue	107800000	USD
CY2010	htld	Fuel Surcharge Revenue FuelSurchargeRevenue	75300000	USD
CY2011Q4	htld	Health Insurance Reserves HealthInsuranceReserves	3500000	USD
CY2012Q4	htld	Health Insurance Reserves HealthInsuranceReserves	3700000	USD
CY2012Q4	htld	Number Of Office Locations NumberOfOfficeLocations	10	locations
CY2012Q4	htld	Number Of Regional Operating Divisions NumberOfRegionalOperatingDivisions	11	divisions
CY2012Q4	htld	Numer Of Segments NumerOfSegments	1	segments
CY2011Q4	htld	Percent Of Portfolio With Aaa Credit Rating PercentOfPortfolioWithAaaCreditRating	1.00
CY2012Q4	htld	Percent Of Portfolio With Aaa Credit Rating PercentOfPortfolioWithAaaCreditRating	0.41
CY2012	htld	Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained Portionoftaxbenefitrecordedpositionsmorelikelythannottobesustained	0.50
CY2012	htld	Rent And Purchased Transportation RentAndPurchasedTransportation	6273000	USD
CY2010	htld	Rent And Purchased Transportation RentAndPurchasedTransportation	9460000	USD
CY2011	htld	Rent And Purchased Transportation RentAndPurchasedTransportation	7527000	USD
CY2011Q3	htld	Restricted Stock Shares Authorized RestrictedStockSharesAuthorized	900000	shares
CY2012Q4	htld	Revenue Equipment RevenueEquipment	378583000	USD
CY2011Q4	htld	Revenue Equipment RevenueEquipment	355905000	USD
CY2012Q1	htld	Share Repurchase Authorization Increase ShareRepurchaseAuthorizationIncrease	2757000	shares
CY2001Q3	htld	Stock Repurchase Shares StockRepurchaseShares	15400000	shares
CY2012Q4	htld	Stock Repurchase Shares StockRepurchaseShares	3225000	shares
CY2012Q1	htld	Stock Repurchase Shares StockRepurchaseShares	5000000	shares
CY2011Q4	htld	Stock Repurchase Shares StockRepurchaseShares	2243000	shares
CY2012Q4	htld	Trust Fund Actual Deposits TrustFundActualDeposits	1300000	USD
CY2012Q4	htld	Trust Fund Requirements TrustFundRequirements	700000	USD
CY2012Q4	htld	Workers Compensation Retention Limit WorkersCompensationRetentionLimit	1000000	USD
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0000799233
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	84769619	shares
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q2	dei	Entity Public Float EntityPublicFloat	655800000	USD
CY2012	dei	Entity Registrant Name EntityRegistrantName	HEARTLAND EXPRESS INC
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

Files In Submission

Name	View Source	Status
0000799233-13-000013-index-headers.html	Edgar Link	pending
0000799233-13-000013-index.html	Edgar Link	pending
0000799233-13-000013.txt	Edgar Link	pending
0000799233-13-000013-xbrl.zip	Edgar Link	pending
a2012exhibitno21.htm	Edgar Link	pending
exhibit3112012q4.htm	Edgar Link	pending
exhibit3122012q4.htm	Edgar Link	pending
exhibit3212012q4.htm	Edgar Link	pending
exhibit3222012q4.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
htld-20121231.xml	Edgar Link	completed
htld-20121231.xsd	Edgar Link	pending
htld-20121231_cal.xml	Edgar Link	unprocessable
htld-20121231_def.xml	Edgar Link	unprocessable
htld-20121231_lab.xml	Edgar Link	unprocessable
htld-20121231_pre.xml	Edgar Link	unprocessable
htld2012q410k.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R12.htm	Edgar Link	pending
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R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$HTLD
HEARTLAND EXPRESS INC Stock $htld

2011 Q4 Form 10-K Financial Statement

#000079923313000013 Filed on March 01, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HTLD HEARTLAND EXPRESS INC Stock $htld

2011 Q4 Form 10-K Financial Statement

#000079923313000013 Filed on March 01, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HTLD
HEARTLAND EXPRESS INC Stock $htld