Long-term liabilities: Liabilities, Noncurrent [Abstract] Short-term debt and current maturities of long-term debt Short-term debt and current maturities of long-term debt Carrying value as of the balance sheet date of the sum of short-term debt and current maturities of long-term debt, which are due within one year (or one business cycle if longer). Liabilities and Stockholders' Equity Total liabilities and stockholders' equity Stockholders' Equity Attributable to Parent Total stockholders' equity Accumulated Other Comprehensive Income (Loss), Net of Tax Total accumulated other comprehensive loss Accumulated other comprehensive income (loss), net of tax: Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Retained Earnings (Accumulated Deficit) Retained earnings Common stock, par value $0.01 per share, 300,000,000 shares authorized, 101,979,137 and 102,308,231 shares issued as of March 31, 2011 and December 31, 2010, respectively Common Stock, Value, Issued Liabilities, Noncurrent Total long-term liabilities Other Liabilities, Noncurrent Other long-term liabilities Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Pension and postretirement benefit plans Deferred Tax Liabilities, Noncurrent Deferred income taxes Capital Lease Obligations, Noncurrent Capital lease obligations Long-term Debt, Excluding Current Maturities Long-term debt Liabilities, Current Total current liabilities Accrued Liabilities, Current Accrued liabilities Accounts Payable, Current Accounts payable Capital Lease Obligations, Current Capital lease obligations Current liabilities: Liabilities, Current [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Stockholders' Equity [Abstract] Assets Total assets Other Assets, Noncurrent Other long-term assets Property, Plant and Equipment, Net Property, plant and equipment, net Assets, Current Total current assets Deferred Tax Assets, Net, Current Deferred income taxes Prepaid expenses and other current assets Prepaid expenses and other current assets 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; and aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet due to materiality considerations. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer). Inventory, Net Inventories Accounts receivable, net of allowance for doubtful accounts and customer deductions of $4,984 and $5,413 as of March 31, 2011 and December 31, 2010, respectively Accounts Receivable, Net, Current Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Current assets: Assets, Current [Abstract] ASSETS Assets [Abstract] Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax Unfunded employee benefit obligations Dividends Payable, Current Dividends payable Earnings Per Share [Abstract] Net income per common share: Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted Average Number of Shares Outstanding, Basic Basic Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted Net Income (Loss) Attributable to Parent Net income Net income Income Tax Expense (Benefit) Provision for income taxes Cost of Goods Sold Cost of sales Gross Profit Gross profit Selling, General and Administrative Expense Selling and administrative expenses Operating Income (Loss) Income from operations Common Stock, Dividends, Per Share, Declared Dividends declared per common share Cash Flows from Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Increase (decrease) in liabilities - Increase (Decrease) in Operating Liabilities [Abstract] (Increase) decrease in assets - Increase (Decrease) in Operating Assets [Abstract] Changes in operating assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Net decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Depreciation, Depletion and Amortization Depreciation, depletion and amortization Significant Accounting Policies [Text Block] Summary of Accounting Policies Earnings Per Share [Text Block] Earnings Per Share Fair Value Measurements [Abstract] Fair Value Measurements [Abstract] Fair Value Measurements Abstract. Schedule of Subsequent Events [Text Block] Subsequent Events Derivative Instruments and Hedging Activities [Abstract] Pension and Other Postretirement Benefits Disclosure [Text Block] Employee Benefit Plans and Other Postretirement Benefits Stock-Based Compensation [Abstract] Stock-Based Compensation [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Compensation Common Stock, Par or Stated Value Per Share Common stock, par value Net Cash Provided by (Used in) Financing Activities Net cash used for financing activities Excess Tax Benefit from Share-based Compensation, Financing Activities Excess tax benefits from share-based awards Proceeds from Stock Options Exercised Proceeds from exercise of stock options Payments of Dividends, Common Stock Common stock dividends paid Cash Flows from Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Flows from Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net Cash Provided by (Used in) Investing Activities Net cash used for investing activities Proceeds from Sale of Property, Plant, and Equipment Proceeds from disposals of property, plant and equipment Payments to Acquire Other Productive Assets Additions to other long term assets Payments to Acquire Property, Plant, and Equipment Additions to property, plant and equipment Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Increase (Decrease) in Accrued Liabilities Accrued liabilities Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Prepaid, Deferred Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Inventories Inventories Increase (Decrease) in Accounts Receivable Accounts receivable Gain (Loss) on Sale of Property Plant Equipment Loss on disposals of property, plant and equipment Deferred Income Tax Expense (Benefit) Deferred income tax provision Share-based Compensation Share-based compensation expense Amortization of Financing Costs Amortization of financing costs Interest Payable, Current Accrued interest Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets [Abstract] Goodwill Goodwill Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Condensed Consolidated Statements of Income [Abstract] Consolidated Statements of Cash Flows [Abstract] Finite-Lived Intangible Assets, Net Other intangible assets, net Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Additional Paid in Capital, Common Stock Additional paid in capital Employee Benefit Plans and Other Postretirement Benefits Abstract Employee Benefit Plans and Other Postretirement Benefits [Abstract] Fair Value, Measurement Inputs, Disclosure [Text Block] Fair Value Measurements Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding: Corporate overhead Corporate overhead The aggregate total of general and administrative expenses for corporate departments that are not associated with the manufacture, sale or creation of a product or product line. Other Income Expense Net Other expense, net The total amount of other operating income and expense items, not previously categorized, that are associated with the entity's normal revenue producing operation. Interest expense, net Interest expense, net The cost of borrowed funds accounted for as interest that was charged against earnings during the period, net of interest earned on invested cash. Allowance for Doubtful Accounts Receivable and Reserve for Customer Deductions, Current Allowance for doubtful accounts receivable and customer deductions A valuation allowance for trade and other receivables due to an entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible, and a reserve for estimated customer returns, allowances and earned discounts. Amortization of Deferred Hedge Gains Amortization of net gain on treasury lock Increase (Decrease) in Other Operating Assets and Liabilities Other, net Repayments Of Debt Payments on long-term debt The cash outflow for the repayment of long-term debt, capital lease obligations and short-term debt. Fair Value, by Balance Sheet Grouping [Text Block] Financial Instruments Document Fiscal Year Focus Document Fiscal Period Focus Other Intangible Assets [Abstract] Intangible Assets Disclosure [Text Block] Other Intangible Assets Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activities Financial Instruments [Abstract] Financial Instruments. Document and Entity Information [Abstract] Document and Entity Information. Stock Repurchase Program [Abstract] Schedule of Treasury Stock by Class [Text Block] Stock Repurchase Program Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Interest Rate Cash Flow Hedges Effect Net Of Tax Unrealized gain on treasury locks, net Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of interest rate cash flow hedges. Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Foreign Currency Cash Flow Hedges, Effect Net of Tax Unrealized loss on foreign currency exchange contracts Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of foreign currency cash flow hedges. Sales Revenue, Net Net sales Payments for Repurchase of Common Stock Repurchases of common stock Income Loss From Continuing Operations Before Income Taxes Income before taxes Revenue less expenses and interest from the entity's ongoing operations and before (1) income tax expense (benefit), (2) income (loss) from discontinued operations, (3) extraordinary items, (4) impact of changes in accounting principles, (5) minority interest, and (6) various other reconciling adjustments. Accrued Income Taxes, Current Federal and state income taxes payable Commitments and Contingencies Disclosure [Text Block] Legal Proceedings Alternative Energy Tax Credits [Abstract] Alternative energy tax credits. Alternative Energy Tax Credits Text Block Alternative Energy Tax Credits Provides disclosures pertaining to the alternative fuel mixture and cellulosic biofuel producer tax credits. Subsequent Events [Abstract] Subsequent events. Alternative fuel mixture tax credits Alternative fuel mixture tax credits The total amount of tax credits earned for the production and use of alternative fuels in an entity's trade or business. Settlement of treasury lock Payments for (Proceeds from) Hedge, Financing Activities Cellulosic Biofuel Tax Reserve Cellulosic biofuel tax reserve Carrying amount as of the balance sheet date of the amount recognized for uncertain tax positions related to the cellulosic biofuel tax credit. Alternative Fuel Mixture Tax Credit Receivable Alternative fuel mixture tax credits receivable The net change in the amount of alternative fuel mixture tax credits due the entity for the production and use of alternative fuels in the entity's trade or business. Basis of Presentation [Abstract] Basis Of Presentation Text Block Basis of Presentation Basis of presentation. Summary of Accounting Policies [Abstract] Summary of accounting policies. Comprehensive Income [Abstract] Comprehensive Income Note [Text Block] Comprehensive Income Inventories [Abstract] Inventory Disclosure [Text Block] Inventories Transfers of Financial Assets [Abstract] Assets And Associated Liabilities Accounted For As Secured Borrowings Text Block Transfers of Financial Assets Assets and associated liabilities accounted for as secured borrowings. Legal Proceedings [Abstract] Legal proceedings. Environmental Liabilities [Abstract] Environmental Loss Contingency Disclosure [Text Block] Environmental Liabilities