Disclosure Commitments Additional Information [Abstract] Disclosure - Commitments - Additional Information [Abstract] Product Liability Contingency [Table] Product Liability Contingency [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Commitments and Contingencies Disclosure [Line Items] Commitments And Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Expected total capital cost of project excluding capitalized interest Expected Total Capital Cost Of Project Excluding Capitalized Interest Expected total capital cost of project excluding capitalized interest. Incurred capital cost excluding capitalized interest Incurred Capital Cost Excluding Capitalized Interest Incurred capital cost excluding capitalized interest. Capitalized interest cost relating to the project Incurred Capital Cost Capitalized Interest Incurred capital cost for capitalized interest. Capital cost paid relating to the project Incurred Capital Cost Excluding Capitalized Interest Paid Capital cost paid excluding capitalized interest. Disclosure Stock Based Compensation Plans Additional Information [Abstract] Disclosure Stock Based Compensation Plans Additional Information [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, Forecast Scenario, Forecast [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Deferred Compensation Agreements To Be Settled In Cash Deferred Compensation Agreements To Be Settled In Cash [Member] Deferred Compensation Agreements To Be Settled In Cash [Member] Deferred Compensation Agreements To Be Settled In Common Stock Deferred Compensation Agreements To Be Settled In Stock [Member] Deferred Compensation Agreements To Be Settled In Stock [Member] Restricted Stock Restricted Stock [Member] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Options, expiration period Share-based Compensation Arrangement by Share-based Payment Award, Options, Expiration Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Expiration Period Options granted during period Options Granted During Period Options Granted During Period Shares available for future awards Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Closing market price of common stock Closing Market Price Of Common Stock Closing market price of common stock Aggregate intrinsic value of stock options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Aggregate intrinsic value of exercisable stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Total intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Stock-based compensation, outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Stock-based compensation Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Accrued stock-based compensation Deferred Compensation Share-based Arrangements, Liability, Classified, Noncurrent Common stock reserved for the settlement of stock-based compensation Common Stock, Capital Shares Reserved for Future Issuance Stock-based compensation included in selling, general and administrative expense Allocated Share-based Compensation Expense Liabilities increased (decreased) stock-based compensation Increase Decrease In Liabilities For Stock Based Compensation As Result Of Changes In Stock Price Increase (Decrease) In Liabilities For Stock Based Compensation As Result Of Changes In Stock Price Tax expense recognized in statements of operations for stock-based compensation Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Cash tax benefit realized on stock-based compensation Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options Total unrecognized compensation cost related to stock options, restricted stock payments, and stock awards expected to be recognized Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Unrecognized compensation cost related to stock options expected to be recognized, 2013 Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year One Employee service share based compensation unrecognized compensation cost expected to be recognized in year one. Unrecognized compensation cost related to stock options expected to be recognized, 2014 Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Two Employee service share based compensation unrecognized compensation cost expected to be recognized in year two. Unrecognized compensation cost related to stock options expected to be recognized, 2015 Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Three Employee service share based compensation unrecognized compensation cost expected to be recognized in year three. Unrecognized compensation cost related to stock options expected to be recognized, 2016 Employee Service Share Based Compensation Unrecognized Compensation Cost Expected To Be Recognized In Year Four Employee service share based compensation unrecognized compensation cost expected to be recognized in year four. Deferred Compensation Arrangement with Individual, Shares Issued Deferred Compensation Arrangement with Individual, Shares Issued Disclosure Defined Benefit Pension Plan And Postretirement Health Benefit Plan Expense [Abstract] Disclosure - Defined Benefit Pension Plan and Postretirement Health Benefit Plan Expense [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Contribution Plans Disclosure [Axis] Defined Contribution Plans Disclosure [Axis] Defined Contribution Plans Disclosure [Axis] Defined Contribution Plans Disclosure [Domain] Defined Contribution Plans Disclosure [Domain] Defined Contribution Plans Disclosure [Domain] Riverside Defined Benefit Plans Riverside Defined Benefit Plans [Member] Riverside Defined Benefit Plans [Member] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Pension Plans, Defined Benefit Pension Plans, Defined Benefit [Member] Defined Benefit Postretirement Health Coverage Defined Benefit Postretirement Health Coverage [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of net actuarial loss Defined Benefit Plan, Amortization of Gains (Losses) Defined benefit pension plan, total Defined Benefit Plan, Net Periodic Benefit Cost Disclosure Receivables [Abstract] Disclosure - Receivables [Abstract] Accounts and Other Receivables [Table] Accounts And Other Receivables [Table] Accounts and Other Receivables [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Accounts and Other Receivables [Line Items] Accounts And Other Receivables [Line Items] Accounts and Other Receivables [Line Items] Working Capital [Abstract] Working Capital [Abstract] Working Capital [Abstract] Trade notes and accounts receivable Accounts and Notes Receivable, Net Other Other Receivables Receivables, total Receivables, Net, Current Disclosure Business Segments Additional Information [Abstract] Disclosure - Business Segments - Additional Information [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Business Segments [Axis] Business Segments [Axis] Segment [Domain] Segment [Domain] Crestmore Cement Plant Crestmore Cement Plant [Member] Crestmore Cement Plant [Member] Hunter Cement Plant Hunter Cement Plant [Member] Hunter Cement Plant [Member] Consumer Products Consumer Products [Member] Consumer Products [Member] Cement Cement [Member] Cement [Member] Aggregates Aggregates [Member] Aggregates [Member] Ready-Mix Concrete Ready Mix Concrete [Member] Ready-Mix Concrete Corporate Corporate [Member] Nonmonetary Transaction Type [Axis] Nonmonetary Transaction Type [Axis] Nonmonetary Transaction Type [Domain] Nonmonetary Transaction Type [Domain] Exchange of Productive Assets Exchange of Productive Assets [Member] Component of Other Operating Cost and Expense [Axis] Component of Other Operating Cost and Expense [Axis] Component of Other Operating Cost and Expense, Name [Domain] Component of Other Operating Cost and Expense, Name [Domain] Normal Replacement And Upgrades To Sustain Existing Operations Normal Replacement And Upgrades To Sustain Existing Operations [Member] Normal Replacement And Upgrades To Sustain Existing Operations [Member] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Amount Incurred To Acquire Aggregate Reserves Amount Incurred To Acquire Aggregate Reserves [Member] Amount Incurred to Acquire Aggregate Reserves [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of operating business segments Number of Operating Segments Sales percentage represented by major customers Sales Percentage Represented By Major Customers Sales percentage represented by major customers Segment operating profit Gain (Loss) on Sale of Other Assets Gain (loss) on disposition of assets Gain (Loss) on Disposition of Assets Restructuring charges included in operating profit Restructuring Charges Included In Operating Profit Restructuring Charges Included In Operating Profit Capital expenditure incurred for expansion Payments For Major Plant Expansions Cash outflows to pay for long-term construction projects associated with major plant facilities used in the normal conduct of business to produce goods and services. Capitalized interest paid Interest Paid, Capitalized Upgrades of existing equipment and acquisitions Payments to Acquire Property, Plant, and Equipment Document Documentand Entity Information [Abstract] Document Documentand Entity Information [Abstract] Entities [Table] Entities [Table] Document Information [Line Items] Document Information [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Text Block [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Disclosure Inventories [Abstract] Disclosure Inventories [Abstract] Working Capital Detail [Table] Working Capital Detail [Table] Working Capital Detail [Table] Inventory Cost By Nature [Axis] Inventory Cost By Nature [Axis] Inventory Cost By Nature [Axis] Inventory Cost By Nature [Domain] Inventory Cost By Nature [Domain] Inventory Cost By Nature [Domain] Lifo Cost Lifo Cost [Member] LIFO Cost [Member] Average Cost Average Cost [Member] Average Cost [member] Working Capital Detail [Line Items] Working Capital Detail [Line Items] Working Capital Detail [Line Items] Finished products Inventory, Finished Goods, Gross Work in process Inventory, Work in Process, Gross Raw materials Inventory, Raw Materials, Gross Total inventories at LIFO cost LIFO Inventory Amount Parts and supplies Other Inventory, Supplies, Gross Total inventories at average cost Weighted Average Cost Inventory Amount Inventories Inventory, Net Condensed Consolidating Financial Information Condensed Financial Information of Parent Company Only Disclosure [Text Block] Discontinued Operations and Disposal Groups [Abstract] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Assets: Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] Inventory Inventories, Property Held-for-sale, Current Property Plant and Equipment Assets Held-for-sale, Property, Plant and Equipment Total Assets in Discontinued Operations Held for Sale Assets Held-for-sale, Current Revenue and Income: Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Revenue Disposal Group, Including Discontinued Operation, Revenue Earnings on discontinued operations, before taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Net income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Income Statement [Abstract] NET SALES Sales Revenue, Goods, Net Cost of products sold Cost of Goods Sold GROSS PROFIT Gross Profit Selling, general and administrative Selling, General and Administrative Expense Restructuring charges Restructuring Charges Interest Interest Expense Loss on debt retirements Gains (Losses) on Extinguishment of Debt Other income Other Operating Income TOTAL EXPENSES Total Net Expenses Total net expense excluding total costs related to goods produced and sold during the reporting period. LOSS BEFORE INCOME TAXES FROM CONTINUING OPERATIONS Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income taxes (benefit) Income Tax Expense (Benefit) NET LOSS FROM CONTINUING OPERATIONS Income (Loss) from Continuing Operations Attributable to Parent NET INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAX NET LOSS Net Income (Loss) Attributable to Parent NET LOSS PER SHARE FROM CONTINUING OPERATIONS: Earnings Per Share from Continuing Operations [Abstract] Earnings Per Share from Continuing Operations [Abstract] Basic Income (Loss) from Continuing Operations, Per Basic Share Diluted Income (Loss) from Continuing Operations, Per Diluted Share NET INCOME (LOSS) FROM DISCONTINUED OPERATIONS: Earnings Per Share from Discontinued Operations [Abstract] Earnings Per Share from Discontinued Operations [Abstract] Basic Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Diluted Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share NET LOSS PER SHARE: Earnings Per Share [Abstract] Basic Earnings Per Share, Basic Diluted Earnings Per Share, Diluted AVERAGE SHARES OUTSTANDING Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Basic Weighted Average Number of Shares Outstanding, Basic Diluted Weighted Average Number of Shares Outstanding, Diluted CASH DIVIDENDS DECLARED PER SHARE Common Stock, Dividends, Per Share, Declared Receivables Schedule Of Accounts Receivable [Text Block] Schedule Of Accounts Receivable [Text Block] Inventories Schedule of Inventory, Current [Table Text Block] Accrued Interest, Compensation and Other Accrued Interest Receivable Disclosure [Text Block] Accrued Interest Receivable Disclosure [Text Block] Disclosure Long Term Debt Additional Information [Abstract] Disclosure - Long-Term Debt - Additional Information [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior Secured Revolving Credit Facility Senior Secured Revolving Credit Facility [Member] Senior Secured Revolving Credit Facility [Member] Sub-Limit For Letters Of Credit Sub Limit For Letters Of Credit [Member] Sub-Limit For Letters Of Credit [Member] Sub-Limit Swing Line Loans [Member] Sub Limit Swing Line Loans [Member] Sub Limit Swing Line Loans [Member] Libor Rate Plus Libor Rate Plus [Member] LIBOR Rate Plus [Member] Base Rate Plus Base Rate Plus [Member] Base Rate Plus [Member] Federal Funds Rate Plus Federal Funds Rate Plus [Member] Federal Funds Rate Plus [Member] One-Month Libor Rate Plus One Month Libor Rate Plus [Member] One-Month Libor Rate Plus [Member] Credit Agreement Credit Agreement [Member] Credit Agreement [Member] 9.25% Senior Notes Nine Point Two Five Percent Senior Notes [Member] Nine Point Two Five Percent Senior Notes [Member] 7.25% Senior Notes Due 2013 Seven Point Two Five Percent Senior Notes Due Two Thousand Thirteen [Member] Seven Point Two Five Percent Senior Notes Due Two Thousand Thirteen [Member] Maximum Increase Maximum Increase [Member] Maximum Increase [Member] Minimum Increase Minimum Increase [Member] Minimum Increase [Member] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Guarantee Of Joint Venture Debt Guarantee Of Joint Venture Debt [Member] Guarantee Of Joint Venture Debt [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Maximum amount available to borrow under agreement Line of Credit Facility, Maximum Borrowing Capacity Credit facility expiration date Credit Facility Expiration Date Credit Facility Expiration Date Line of credit facility, interest rate description Line of Credit Facility, Interest Rate Description Variable interest rate Debt Instrument, Basis Spread on Variable Rate Commitment fee calculated on unused portion per year Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Borrowing base agreement amount Line Of Credit Facility Borrowing Base Agreement Amount The maximum amount of borrowing capacity under a line of credit that is available without consideration of the fixed charge ratio restrictions. Unused portion of borrowing amount Line Of Credit Facility Fixed Charge Ratio Restriction Restriction on the Borrowing Capacity due to fixed charge coverage ratio. Fixed charge coverage ratio, maximum allowed according to covenant Debt Instrument, Covenant Terms, Fixed Charge Coverage Ratio Debt Instrument, Covenant Terms, Fixed Charge Coverage Ratio Fixed charge coverage ratio Fixed Charge Coverage Ratio Fixed charge coverage ratio. Borrowing limited to an amount under credit facility Line Of Credit Facility Unrestricted Borrowing Capacity The maximum amount of borrowing capacity under a line of credit that is available after consideration of the fixed charge ratio restrictions. Borrowing base used to support letters of credit Borrowing Base Used To Support Letter Of Credit Borrowing base used to support letter of credit. Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Future foreign subsidiaries equity interest available for credit facility guarantees Equity Interest Of Foreign Subsidiaries Credit Facility Guarantee Percent Equity Interest Of Foreign Subsidiaries Credit Facility Guarantee Percentage Line of credit facility, covenant terms Line of Credit Facility, Covenant Terms Borrowing availability under credit agreement Fixed Charge Coverage Ratio Limitation On Line Of Credit Facility Capacity Available For Specific Purposes Limitation on Line of Credit Facility Capacity available for specific purposes due to fixed charge coverage ratio. Cash dividend on common stock Fixed Charge Coverage Ratio Allowable Cash Dividends Maximum Fixed charge coverage ratio allowable cash dividends maximum, quarterly. Permitted to pay cash dividends on common stock aggregate during any calendar year Permitted To Pay Cash Dividends On Common Stock Aggregate During Any Calendar Year Permitted to pay cash dividends on common stock aggregate during any calendar year. Minimum borrowing availability required to pay cash dividends Fixed Charge Coverage Ratio Limitation On Line Of Credit Facility Capacity Available For Dividends Limitation on Line of Credit Facility Capacity available for cash dividends due to fixed charge coverage ratio. Line of credit facility percentage of aggregate commitments to lenders Line Of Credit Facility Percentage Commitments To Lenders Fixed charge coverage ratio total percentage of aggregate commitments of all lenders borrowing availability required to pay cash dividend. Senior note aggregate principal amount Long-term Debt, Gross Senior notes offering price in percentage Senior Notes Offering Price In Percentage Senior notes offering price in percentage. Senior notes, interest rate Debt Instrument, Interest Rate, Stated Percentage Senior notes maturity date Debt Instruments Maturity Date Debt instruments maturity date. Redemption of aggregate principal amount of notes, percentage Percentage Redemption Of Aggregate Principal Amount Of Notes Percentage permitted redemption of aggregate principal amount of notes. Percentage of principal amount redemption price Percentage Of Aggregate Principal Amount Redemption Percentage of aggregate principal amount permitted redemption price. Required purchase price of principal amount, percentage Purchase Price Equal To Principal Amount Purchase price equal to principal amount. Principal payments due on long-term debt, year one Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Principal payments due on long-term debt, year two Long-term Debt, Maturities, Repayments of Principal in Year Two Principal payments due on long-term debt, year three Long-term Debt, Maturities, Repayments of Principal in Year Three Principal payments due on long-term debt, year four Long-term Debt, Maturities, Repayments of Principal in Year Four Principal payments due on long-term debt, year five Long-term Debt, Maturities, Repayments of Principal in Year Five Interest incurred on long-term debt Interest Expense, Long-term Debt Interest amount capitalized Interest Costs Capitalized Total amount of interest paid Interest Paid Percentage of joint venture's debt guaranteed Percentage Of Joint Venture Debt Guaranteed Percentage of joint venture debt guaranteed Debt guaranteed under joint venture's Long-term Debt Debt maturity date Debt Instrument, Maturity Date Disclosure Accrued Interest Compensation And Other [Abstract] Disclosure - Accrued Interest, Compensation and Other [Abstract] Accrued Liabilities [Table] Accrued Liabilities [Table] Accrued Liabilities [Table] Accrued Liabilities [Line Items] Accrued Liabilities [Line Items] Accrued Liabilities [Line Items] Interest Accrued Interest Expense Accrued Interest Expense Compensation and employee benefits Employee Compensation And Benefits Liabilities Employee Compensation And Benefits Liabilities. Casualty insurance claims Accrued Insurance, Current Income taxes Accrued Income Taxes Property taxes and other Accrual for Taxes Other than Income Taxes Accrued interest, compensation and other, total Accrued Liabilities, Current Disclosure Option Transactions [Abstract] Disclosure - Option Transactions [Abstract] Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table] Type of Deferred Compensation [Axis] Type of Deferred Compensation [Axis] Type of Deferred Compensation, All Types [Domain] Type of Deferred Compensation, All Types [Domain] Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Shares Under Option, Outstanding at May 31, 2012 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Shares Under Option, Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Shares Under Option, Canceled Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Shares Under Option, Outstanding at November 30, 2012 Shares Under Option, Exercisable at November 30, 2012 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Weighted-Average Option Price, Outstanding at May 31, 2012 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted-Average Option Price, Exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted-Average Option Price, Canceled Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted-Average Option Price, Outstanding at November 30, 2012 Weighted-Average Option Price, Exercisable at November 30, 2012 Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Changes in Asset Retirement Obligations Schedule of Asset Retirement Obligations [Table Text Block] Calculation of Basic and Diluted EPS Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Nature Of Operations Nature of Operations [Text Block] Business Segments Segment Reporting Disclosure [Text Block] Disclosure Employee Exposure Standards By Regulatory Agencies [Abstract] Disclosure - Employee Exposure Standards by Regulatory Agencies [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Occupational Safety And Health Administration Occupational Safety And Health Administration [Member] Occupational Safety And Health Administration [Member] National Institute For Occupational Safety And Health National Institute For Occupational Safety And Health [Member] National Institute For Occupational Safety And Health [Member] California Environmental Protection Agency California Environmental Protection Agency [Member] California Environmental Protection Agency [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Employee exposure standards, nanograms per cubic meter Employee Exposure Standards Employee exposure standards Disclosure Changes In Asset Retirement Obligations [Abstract] Disclosure - Changes in Asset Retirement Obligations [Abstract] Reconciliation of Changes in Asset Retirement Obligations [Table] Reconciliation Of Changes In Asset Retirement Obligations [Table] Reconciliation of Changes in Asset Retirement Obligations [Table] Reconciliation of Changes in Asset Retirement Obligations [Line Items] Reconciliation Of Changes In Asset Retirement Obligations [Line Items] Reconciliation of Changes in Asset Retirement Obligations [Line Items] Summary Of Significant Accounting Policies [Abstract] Accounting Policies [Abstract] Balance at beginning of period Asset Retirement Obligation Additions Asset Retirement Obligation, Liabilities Incurred Accretion expense Asset Retirement Obligation, Accretion Expense Settlements Asset Retirement Obligation, Liabilities Settled Balance at end of period Disclosure Summary Of Operating Results And Certain Other Financial Data For Business Segments [Abstract] Disclosure - Summary of Operating Results and Certain Other Financial Data for Business Segments [Abstract] Statement, Operating Activities Segment [Axis] Statement, Operating Activities Segment [Axis] Segment, Operating Activities [Domain] Segment, Operating Activities [Domain] Segment, Continuing Operations Segment, Continuing Operations [Member] Distribution Channel [Axis] Distribution Channel [Axis] Distribution Channel [Axis] Distribution Channel [Domain] Distribution Channel [Domain] Distribution Channel [Domain] Cement Segment Cement Segment [Member] Cement Segment [Member] Intersegment Elimination Intersegment Elimination [Member] Stone, Sand And Gravel Stone Sand And Gravel [Member] Stone, Sand And Gravel [Member] Other products Other Products [Member] Other Products [Member] Delivery Fees Delivery Fees [Member] Delivery Fees [Member] Sales to external customers Revenue from External Customers Intersegment sales Segment Reporting Information, Intersegment Revenue Segment operating profit (loss) Operating Income (Loss) Corporate Other Nonoperating Expense Interest Depreciation, depletion and amortization Depreciation, Depletion and Amortization Capital expenditures Payments to Acquire Productive Assets Discontinued Operations and Held for Sale Businesses Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Working Capital Working Capital [Text Block] All disclosures related to selected components of working capital including receivables, inventories and accrued liabilities. Disclosure Condensed Consolidating Statement Of Cash Flows [Abstract] Disclosure - Condensed Consolidating Statement of Cash Flows [Abstract] Cash Flow Supplemental Disclosures [Table] Cash Flow Supplemental Disclosures [Table] Cash Flow Supplemental Disclosures [Table] Parent Company Parent Company [Member] Guarantor Subsidiaries Guarantor Subsidiaries [Member] Consolidation, Eliminations Consolidation, Eliminations [Member] Cash Flow Supplemental Disclosures [Line Items] Cash Flow Supplemental Disclosures [Line Items] Cash Flow Supplemental Disclosures [Line Items] Net cash provided (used) by operating activities Net Cash Provided by (Used in) Operating Activities Capital expenditures – expansions Capital expenditures – other Proceeds from asset disposals Proceeds from Sale of Productive Assets Investments in life insurance contracts Payments for (Proceeds from) Life Insurance Policies Other – net Payments for (Proceeds from) Other Investing Activities Net cash provided (used) by investing activities Net Cash Provided by (Used in) Investing Activities Long-term borrowings Proceeds from Issuance of Long-term Debt Debt payments Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities Debt issuance costs Payments of Debt Issuance Costs Stock option exercises Proceeds from Stock Options Exercised Common dividends paid Payments of Ordinary Dividends, Common Stock Net intercompany financing activities Net Intercompany Financing Activities Net intercompany financing activities. Net cash used by financing activities Net Cash Provided by (Used in) Financing Activities Decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Disclosure Notes Redemption Prices Expressed As Percentages Of Principal Amount [Abstract] Disclosure - Notes Redemption Prices (Expressed as Percentages of Principal Amount) [Abstract] Long-Term Debt [Abstract] Long-term Debt and Capital Lease Obligations [Abstract] 2015 Percentage Of Principal Amount Of Senior Notes Outstanding That Can Be Redeemed In Year One Percentage of principal amount of senior notes, outstanding, that can be redeemed, in year one. 2016 Percentage Of Principal Amount Of Senior Notes Outstanding That Can Be Redeemed In Year Two Percentage of principal amount of senior notes, outstanding, that can be redeemed, in year two. 2017 Percentage Of Principal Amount Of Senior Notes Outstanding That Can Be Redeemed In Year Three Percentage of principal amount of senior notes, outstanding, that can be redeemed, in year three. 2018 and thereafter Percentage Of Principal Amount Of Senior Notes Outstanding That Can Be Redeemed In Year Four And Thereafter Percentage of principal amount of senior notes, outstanding, that can be redeemed, in year four and thereafter. Disclosure Amount Of Financial Security Plan Benefit Expense Charged To Costs And Expenses [Abstract] Disclosure - Amount of Financial Security Plan Benefit Expense Charged to Costs and Expenses [Abstract] Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] Schedule of Deferred Compensation Arrangement with Individual, Postretirement Benefits [Table] Financial Security Defined Benefit Plans Financial Security Defined Benefit Plans [Member] Financial Security Defined Benefit Plans [Member] Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] Disclosure Legal Proceedings And Contingent Liabilities Additional Information [Abstract] Disclosure - Legal Proceedings And Contingent Liabilities - Additional Information [Abstract] Assuming Continuous Exposure For Seventy Years Assuming Continuous Exposure For Seventy Years [Member] Assuming Continuous Exposure For Seventy Years [Member] Shellman Lawsuit Shellman Lawsuit [Member] Shellman Lawsuit [Member] Crestmore Plant Crestmore Plant [Member] Crestmore Plant [Member] Oro Grande Plant Oro Grande Plant [Member] Oro Grande Plant [Member] Average level of hexavalent chromium, nanograms per cubic meter Average Level Of Air Quality Average level of air quality Increase in risk of cancer, instances per million people Increase In Risk Of Cancer Per Million People Increase In Risk Of Cancer Per Million People SCAQMD calculation of cancer risk, time frame assumption Scaqmd Calculation Of Cancer Risk Time Frame Assumption Scaqmd Calculation Of Cancer Risk Time Frame Assumption Number of subsidiary defendants in class action lawsuit Number Of Subsidiary Defendants In Class Action Lawsuit Number Of Subsidiary Defendants In Class Action Lawsuit Number of additional class action lawsuits filed Number Of Additional Class Action Lawsuits Filed Number Of Additional Class Action Lawsuits Filed Number of lawsuits stayed Number Of Lawsuits Stayed Number Of Lawsuits Stayed Number of individual plaintiffs involved in lawsuit Number Of Individual Plaintiffs Involved In Lawsuit Number Of Individual Plaintiffs Involved In Lawsuit Number of plaintiffs remaining Number Of Plaintiffs Remaining Number of Plaintiffs Remaining. Disclosure Long Term Debt [Abstract] Disclosure - Long-Term Debt [Abstract] Senior secured revolving credit facility expiring in 2016 Long-term Line of Credit 9.25% Senior notes due 2020 issued August 10, 2010 at par value Senior Notes Other Other Long-term Debt Total long term debt Capital lease obligations Capital Lease Obligations Other contract obligations Other Capital Obligations Other capital obligations. Long-term debt and capital lease obligations Debt and Capital Lease Obligations Less current portion Long-term Debt and Capital Lease Obligations, Current LONG-TERM DEBT Long-term Debt and Capital Lease Obligations Disclosure Condensed Consolidating Statement Of Operations [Abstract] Disclosure - Condensed consolidating statement of operations [Abstract] Schedule of Condensed Consolidating Statement of Operations [Table] Schedule Of Condensed Consolidating Statement Of Operations [Table] Schedule of Condensed Consolidating Statement of Operations [Table] Schedule of Condensed Consolidating Statement of Operations [Line Items] Schedule Of Condensed Consolidating Statement Of Operations [Line Items] Schedule of Condensed Consolidating Statement of Operations [Line Items] Intercompany other income Intercompany Other Income Intercompany other income. Income (loss) from continuing operations before the following items Net income (loss) before equity in earnings (loss) of subsidiaries Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net Equity in earnings of subsidiaries Income (Loss) from Equity Method Investments Net income (loss) Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Retirement Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Disclosure Summary Of Significant Accounting Policies Additional Information [Abstract] Disclosure - Summary Of Significant Accounting Policies - Additional Information [Abstract] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Cement Facility Cement Facility [Member] Cement Facility [Member] Additional Additional [Member] Additional [Member] Real Estate Real Estate [Member] Nonoperating Development Properties Nonoperating Development Properties [Member] Nonoperating Development Properties [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Co-venturer Co-venturer [Member] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Equity interest in joint venture Percentage Of Equity Interest Held By Joint Ventures Partner Percentage of Equity Interest Held by Joint Ventures Partner Fair value of long-term debt, including current portion Long-term Debt, Fair Value Long-term debt, carrying amount Maturity period for investments to be classified cash and cash equivalents, days Cash Equivalents Maturity Period Cash Equivalents Maturity Period Long-lived assets useful life Property, Plant and Equipment, Useful Life Goodwill resulting from acquisition Goodwill Percentage of tax benefit likely to be realized upon ultimate settlement Percentage Of Tax Benefit To Be Realized Upon Ultimate Settlement Percentage of tax benefit to be realized upon ultimate settlement. Real estate acquired for development Real Estate Acquired For Development Real Estate Acquired For Development Life insurance contracts recorded net cash Life Insurance, Corporate or Bank Owned, Amount Insurance policy distributions Insurance Policy Distributions Insurance policy distributions. Joint venture agreement date Joint Venture Date Joint Venture Date Joint venture debt guaranteed percentage Fair value of equity Fair Value Of Equity Investment In Joint Venture Fair Value Of Equity Investment In Joint Venture Partner's percentage in the venture Joint Venture Ownership Interest Joint Venture Ownership Interest Equity income in joint venture Income Loss From Operations Of Joint Venture Income (Loss) from Operations of Joint Venture. Deferred other charges Deferred Other Charges Deferred other charges. Debt issuance costs Deferred Finance Costs, Gross Other credits Deferred Credits and Other Liabilities Approximate number of employees and retirees of subsidiary Approximate Employees And Retirees Approximate Employees And Retirees Accumulated other comprehensive loss, adjustments related to defined benefit retirement plan and postretirement health benefit plan, net of tax Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax Accumulated other comprehensive loss, adjustments related to defined benefit retirement plan and postretirement health benefit plan, tax Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax The tax effect from the total of net (gain) loss, prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. Gain on asset exchange Increase in aggregate property, plant and equipment Property, Plant and Equipment, Gross, Period Increase (Decrease) Number of assets acquired in noncash asset exchange Number Of Assets Acquired In Noncash Asset Exchange Number of Assets Acquired In Noncash Asset Exchange Number of assets disposed of in noncash asset exchange Number Of Assets Disposed Of In Noncash Asset Exchange Number of Assets Disposed of In Noncash Asset Exchange Summary of Operating Results and Certain Other Financial Data for Business Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Summary of Asset Used in Each of Business Segments Reconciliation of Assets from Segment to Consolidated [Table Text Block] Disclosure Stock Options Outstanding [Abstract] Disclosure - Stock Options Outstanding [Abstract] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Exercise Price Range [Axis] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Range Of Exercise Prices, $16.04 - $29.38 Range Of Exercise Prices Range One [Member] Range of exercise prices, range one [member] Range Of Exercise Prices, $33.57 - $48.60 Range Of Exercise Prices Range Two [Member] Range of exercise prices, range two [member] Range Of Exercise Prices, $50.63 - $70.18 Range Of Exercise Prices Range Three [Member] Range of exercise prices, range three [member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Shares outstanding Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options Weighted-average remaining life in years, Options outstanding Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term Weighted-average exercise price, Options outstanding Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price Shares exercisable Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options Weighted-average remaining life in years, Options exercisable Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term Weighted-average exercise price, Options exercisable Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Range of Exercise Prices, minimum Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit Range of Exercise Prices, maximum Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Disclosure Condensed Consolidating Balance Sheet [Abstract] Disclosure - Condensed Consolidating Balance Sheet [Abstract] Supplemental Balance Sheet Information [Table] Supplemental Balance Sheet Information [Table] Supplemental Balance Sheet Information [Table] Supplemental Balance Sheet Information [Line Items] Supplemental Balance Sheet Information [Line Items] Supplemental Balance Sheet Information [Line Items] Cash and cash equivalents Receivables – net Deferred income taxes and prepaid expenses Deferred Income Taxes And Prepaid Expenses Represents deferred tax assets net, current and prepaid expense, current. Deferred Tax Assets, Net, Current represents the current portion of the aggregate tax effects as of the balance sheet date of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; after deducting the allocated valuation allowance, if any, to reduce such amount to net realizable value. Deferred tax liabilities and assets shall be classified as current or noncurrent based on the classification of the related asset or liability for financial reporting. A deferred tax liability or asset that is not related to an asset or liability for financial reporting, including deferred tax assets related to carryforwards, shall be classified according to the expected reversal date of the temporary difference. An unrecognized tax benefit that is directly related to a position taken in a tax year that results in a net operating loss carryforward should be presented as a reduction of the related deferred tax asset. Prepaid expense, current represents the sum of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer. Discontinued Operations Held for Sale TOTAL CURRENT ASSETS Assets, Current Property, plant and equipment – net Property, Plant and Equipment, Net Goodwill Real estate and investments Real Estate And Investments Represents the carrying amount as of the balance sheet date of investments in land held for sale or development, net cash surrender value of life insurance policies, long-term portion of notes taken in connection with sales of surplus operating assets and other investments that are intended to be held for an extended period of time (longer than one operating cycle). Deferred income taxes and other charges Deferred Income Taxes and Other Assets, Noncurrent Investment in subsidiaries Investments in and Advances to Affiliates, Amount of Equity Long-term intercompany receivables Due from Related Parties, Noncurrent TOTAL ASSETS Assets Accounts payable Accounts Payable, Current Accrued interest, compensation and other Current portion of long-term debt TOTAL CURRENT LIABILITIES Liabilities, Current Long-term intercompany payables Due to Related Parties, Noncurrent Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent OTHER CREDITS Other Liabilities, Noncurrent Shareholders' equity Stockholders' Equity Attributable to Parent TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity Long-Term Debt Schedule of Debt [Table Text Block] Notes Redemption Prices (Expressed as Percentages of Principal Amount) Schedule Of Senior Notes Outstanding Permitted To Be Redeemed Table [Text Block] Schedule Of Senior Notes Outstanding Permitted To Be Redeemed [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Disclosure Weighted Average Grant Date Fair Value Of Options Granted And Weighted Average Assumptions Used For Grants [Abstract] Disclosure - Weighted-Average Grant Date Fair Value of Options Granted and Weighted-Average Assumptions Used for Grants [Abstract] Stock-Based Compensation Plans Share-based Compensation [Abstract] Weighted average grant date fair value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Expected volatility Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Factors Share Based Compensation Arrangement By Share Based Payment Award, Fair Value Assumptions, Expected Volatility Factors Expected option term in years Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Statement of Financial Position [Abstract] ASSETS Assets [Abstract] CURRENT ASSETS Assets, Current [Abstract] TOTAL CURRENT ASSETS PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment, Gross [Abstract] Land and land improvements Land Buildings Buildings and Improvements, Gross Machinery and equipment Machinery and Equipment, Gross Construction in progress Construction in Progress, Gross TOTAL PROPERTY, PLANT AND EQUIPMENT (Gross) Property, Plant and Equipment, Gross Less depreciation and depletion Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment TOTAL PROPERTY, PLANT AND EQUIPMENT OTHER ASSETS Other Asset [Abstract] Other Asset Abstract TOTAL OTHER ASSETS Other Assets, Noncurrent LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] CURRENT LIABILITIES Liabilities, Current [Abstract] SHAREHOLDERS' EQUITY Stockholders' Equity Attributable to Parent [Abstract] Common stock, $1 par value; authorized 100,000 shares; issued and outstanding 28,056 and 27,996 shares, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax TOTAL SHAREHOLDERS' EQUITY TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY Condensed Consolidating Balance Sheet Schedule of Condensed Balance Sheet [Table Text Block] Condensed Consolidating Statement of Operations Schedule of Condensed Income Statement [Table Text Block] Condensed Consolidating Statement of Cash Flows Schedule of Condensed Cash Flow Statement [Table Text Block] Disclosure Working Capital Additional Information [Abstract] Disclosure - Working Capital - Additional Information [Abstract] Working capital Working Capital Working Capital Allowances for doubtful receivables Allowance for Doubtful Accounts Receivable Provisions for bad debts Provision for Doubtful Accounts Uncollectible accounts written off Uncollectible Accounts Written Off Uncollectible Accounts Written Off Amount inventory values would be higher by average cost method Excess of Replacement or Current Costs over Stated LIFO Value Principles Of Consolidation Consolidation, Policy [Policy Text Block] Estimates Use of Estimates, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Cash And Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Receivables Receivables, Policy [Policy Text Block] Environmental Liabilities Environmental Costs, Policy [Policy Text Block] Legal Contingencies Legal Costs, Policy [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Long-lived Assets Long Lived Assets, Policy [Policy Text Block] Long Lived Assets, Policy [Policy Text Block] Goodwill and Goodwill Impairment Goodwill and Intangible Assets, Intangible Assets, Indefinite-Lived, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Real Estate and Investments Real Estate And Investment, Policy [Policy Text Block] Real Estate And Investment, Policy [Policy Text Block] Investment in Joint Venture Investment, Policy [Policy Text Block] Deferred Other Charges Deferred Charges, Policy [Policy Text Block] Other Credits Other Credits, Policy [Policy Text Block] Other Credits, Policy [Policy Text Block] Asset Retirement Obligations Asset Retirement Obligations, Policy [Policy Text Block] Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income Loss, Policy [Policy Text Block] Accumulated Other Comprehensive Income Loss, Policy [Policy Text Block] Net Sales Revenue Recognition, Sales of Goods [Policy Text Block] Other Income Other Income, Policy [Policy Text Block] Other Income, Policy [Policy Text Block] Stock-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Recently Issued Accounting Guidance New Accounting Pronouncements, Policy [Policy Text Block] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Disclosure Shareholders Equity Additional Information [Abstract] Disclosure - Shareholders' Equity - Additional Information [Abstract] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Cumulative Preferred Stock Cumulative Preferred Stock [Member] Cumulative Preferred Stock (Voting) Cumulative Preferred Stock Voting [Member] Cumulative Preferred Stock Voting [Member] Series B Junior Participating Preferred Stock Series B Preferred Stock [Member] Class of Stock [Line Items] Class of Stock [Line Items] Authorized preferred stock, shares Preferred Stock, Shares Authorized Preferred stock, no par value Preferred Stock, No Par Value Premium on preferred stock redemption Preferred Stock Redemption Premium Preferred stock redeemable price per share Preferred Stock, Redemption Price Per Share Preferred stock price per share upon dissolution Preferred Stock, Liquidation Preference Per Share Preferred stock shares outstanding Preferred Stock, Shares Outstanding Employee Exposure Standards by Regulatory Agencies Summary Of Employee Exposure Standards By Regulatory Agencies Summary Of Employee Exposure Standards By Regulatory Agencies Disclosure Condensed Consolidating Financial Information Additional Information [Abstract] Disclosure - Condensed Consolidating Financial Information - Additional Information [Abstract] Condensed Consolidating Financial Information [Table] Condensed Consolidating Financial Information [Table] Condensed Consolidating Financial Information [Table] Condensed Consolidating Financial Information [Line Items] Condensed Consolidating Financial Information [Line Items] Condensed Consolidating Financial Information [Line Items] Aggregate principal amount Percentage of ownership in existing subsidiaries Equity Method Investment, Ownership Percentage Commitments Commitments Disclosure [Text Block] Disclosure Retirement Plans Additional Information [Abstract] Disclosure - Retirement Plans - Additional Information [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Reduction in accrued pension liability Defined Pension Benefit Plan Reduction In Accrued Liability Defined Pension Benefit Plan Reduction In Accrued Liability Disclosure Calculation Of Basic And Diluted E P S [Abstract] Disclosure - Calculation of Basic and Diluted EPS [Abstract] Schedule Of Earnings Per Share Basic And Diluted [Table] Schedule Of Earnings Per Share Basic And Diluted [Table] Schedule Of Earnings Per Share Basic And Diluted [Table] Earnings Per Share Basic And Diluted [Line Items] Earnings Per Share Basic And Diluted [Line Items] Earnings Per Share Basic And Diluted [Line Items] Earnings Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net loss from continuing operations Unvested restricted share participation Other Preferred Stock Dividends and Adjustments Loss allocated to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Shares Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Weighted-average shares outstanding Weighted Average Number of Shares Issued, Basic Contingently issuable shares Weighted Average Number of Shares, Contingently Issuable Unvested restricted shares Weighted Average Number of Shares, Restricted Stock Basic weighted-average shares Stock option, restricted share and award dilution Weighted Average Number Diluted Shares Outstanding Adjustment Diluted weighted-average shares (1) Shares excluded due to antidilutive effect Stock options, restricted shares and awards Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Legal Proceedings and Contingent Liabilities Commitments and Contingencies Disclosure [Text Block] Disclosure Income Taxes Additional Information [Abstract] Disclosure Income Taxes Additional Information [Abstract] Income Tax Contingency [Table] Income Tax Contingency [Table] Period [Axis] Period [Axis] Period [Axis] Period [Domain] Period [Domain] Period [Domain] Fiscal year 2013 Two Thousand Thirteen [Member] Two Thousand Thirteen [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Federal statutory corporate rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Estimated annualized income tax rate Estimated Annualized Income Tax Rate Excluding Discrete Item Estimated annualized income tax rate excluding discrete item. Income tax payments Income Taxes Paid Received income tax refunds Proceeds from Income Tax Refunds Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Net deferred tax assets classified as current Deferred Tax Assets, Net of Valuation Allowance, Current Valuation allowances Valuation Allowance, Amount Significant reserves for uncertain tax positions including related interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Weighted-Average Grant Date Fair Value of Options Granted and Weighted-Average Assumptions Used for Grants Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block] Option Transactions Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Stock Options Outstanding Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Statement of Cash Flows [Abstract] OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities [Abstract] Net loss Adjustments to reconcile net loss to cash provided by operating activities Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Gains on asset disposals Gain Loss On Sale Of Assets Gain (Loss) on Sale of Assets Deferred income tax (benefit) expense Deferred Income Tax Expense (Benefit) Stock-based compensation expense Share-based Compensation Other – net Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Changes in operating assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Receivables – net Increase (Decrease) in Receivables Inventories Increase (Decrease) in Inventories Prepaid expenses Increase (Decrease) in Prepaid Expense Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Net cash provided by operating activities INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Net cash used by investing activities FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Net cash used by financing activities Statement of Other Comprehensive Income [Abstract] Other comprehensive income Other Comprehensive Income (Loss), Net of Tax [Abstract] Net actuarial gains (losses) of defined postretirement benefit plans Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract] Reclassification of recognized transactions, net of tax Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax Adjustment, net of tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax Prior service cost of defined postretirement benefit plans Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments, Net of Tax [Abstract] Reclassification of recognized transactions, net of taxes Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax Total other comprehensive income Other Comprehensive Income (Loss), Net of Tax Comprehensive loss Long-Term Debt Debt Disclosure [Text Block] Stock-Based Compensation Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block] Disclosure Summary Of Asset Used In Each Of Business Segments [Abstract] Disclosure - Summary of Asset Used in Each of Business Segments [Abstract] Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Identifiable assets