00100 - Statement - Consolidated Balance Sheetslink:presentationLinklink:calculationLinklink:definitionLink00200 - Statement - Consolidated Statements Of Operationslink:presentationLinklink:calculationLinklink:definitionLink00300 - Statement - Consolidated Statements Of Comprehensive Income (Loss)link:presentationLinklink:calculationLinklink:definitionLink00500 - Statement - Consolidated Statements Of Cash Flowslink:presentationLinklink:calculationLinklink:definitionLink40304 - Disclosure - Revenue Recognition (Disaggregation Of Revenue) (Details)link:presentationLinklink:calculationLinklink:definitionLink40402 - Disclosure - Accounts Receivable (Accounts Receivable) (Details)link:presentationLinklink:calculationLinklink:definitionLink40502 - Disclosure - Property, Plant And Equipment (Property, Plant And Equipment, Net) (Details)link:presentationLinklink:calculationLinklink:definitionLink40603 - Disclosure - Goodwill And Other Intangibles (Components Of Other Intangibles) (Details)link:presentationLinklink:calculationLinklink:definitionLink40702 - Disclosure - Planned Divestiture Of Northwest Operations (Schedule Of Assets And Liabilities Held For Sale) (Details)link:presentationLinklink:calculationLinklink:definitionLink40902 - Disclosure - Long-Term Debt (Long-Term Debt) (Details)link:presentationLinklink:calculationLinklink:definitionLink41103 - Disclosure - Leases (Components Of Lease Cost) (Details)link:presentationLinklink:calculationLinklink:definitionLink41106 - Disclosure - Leases (Maturity Analysis For Operating and Finance Lease) (Details)link:presentationLinklink:calculationLinklink:definitionLink41106 - Disclosure - Leases (Maturity Analysis For Operating and Finance Lease) (Details) Alt Calclink:presentationLinklink:calculationLinklink:definitionLink41107 - Disclosure - Leases (Maturity Analysis For Operating Leases From Customers) (Details)link:presentationLinklink:calculationLinklink:definitionLink41201 - Disclosure - Investment And Other Income (Loss) (Components Of Investment And Other Income) (Details)link:presentationLinklink:calculationLinklink:definitionLink41302 - Disclosure - Income Taxes (Reconciliation Of Provision For Income Taxes) (Details)link:presentationLinklink:calculationLinklink:definitionLink41402 - Disclosure - Net Loss Per Share (Calculation Of Net Income (Loss) Per Common Share) (Details)link:presentationLinklink:calculationLinklink:definitionLink41602 - Disclosure - Comprehensive Income (Loss) (Accumulated Other Comprehensive Loss, Net of Tax) (Details)link:presentationLinklink:calculationLinklink:definitionLink41603 - Disclosure - Comprehensive Income (Loss) (Reclassification Out of Accumulated Other Comprehensive Income) (Details)link:presentationLinklink:calculationLinklink:definitionLink41702 - Disclosure - Retirement Plans (Net Periodic Benefit Cost) (Details)link:presentationLinklink:calculationLinklink:definitionLink00090 - Document - Document and Entity Informationlink:presentationLinklink:calculationLinklink:definitionLink00105 - Statement - Consolidated Balance Sheets (Parenthetical)link:presentationLinklink:calculationLinklink:definitionLink00400 - Statement - Consolidated Statements Of Equity (Deficit)link:presentationLinklink:calculationLinklink:definitionLink00405 - Statement - Consolidated Statements Of Equity (Deficit) (Parenthetical)link:presentationLinklink:calculationLinklink:definitionLink10101 - Disclosure - Summary Of Significant Accounting Policieslink:presentationLinklink:calculationLinklink:definitionLink10201 - Disclosure - Recent Accounting Literaturelink:presentationLinklink:calculationLinklink:definitionLink10301 - Disclosure - Revenue Recognitionlink:presentationLinklink:calculationLinklink:definitionLink10401 - Disclosure - Accounts Receivablelink:presentationLinklink:calculationLinklink:definitionLink10501 - Disclosure - Property, Plant And Equipmentlink:presentationLinklink:calculationLinklink:definitionLink10601 - Disclosure - Goodwill And Other Intangibleslink:presentationLinklink:calculationLinklink:definitionLink10701 - Disclosure - Planned Divestiture Of Northwest Operationslink:presentationLinklink:calculationLinklink:definitionLink10801 - Disclosure - Fair Value Of Financial Instrumentslink:presentationLinklink:calculationLinklink:definitionLink10901 - Disclosure - Long-Term Debtlink:presentationLinklink:calculationLinklink:definitionLink11001 - Disclosure - Restructuring Costs And Other Chargeslink:presentationLinklink:calculationLinklink:definitionLink11101 - Disclosure - Leaseslink:presentationLinklink:calculationLinklink:definitionLink11201 - Disclosure - Investment And Other Income (Loss)link:presentationLinklink:calculationLinklink:definitionLink11301 - Disclosure - Income Taxeslink:presentationLinklink:calculationLinklink:definitionLink11401 - Disclosure - Net Loss Per Sharelink:presentationLinklink:calculationLinklink:definitionLink11501 - Disclosure - Stock Planslink:presentationLinklink:calculationLinklink:definitionLink11601 - Disclosure - Comprehensive Income (Loss)link:presentationLinklink:calculationLinklink:definitionLink11701 - Disclosure - Retirement Planslink:presentationLinklink:calculationLinklink:definitionLink11801 - Disclosure - Commitments And Contingencieslink:presentationLinklink:calculationLinklink:definitionLink20102 - Disclosure - Summary Of Significant Accounting Policies (Policy)link:presentationLinklink:calculationLinklink:definitionLink30303 - Disclosure - Revenue Recognition (Tables)link:presentationLinklink:calculationLinklink:definitionLink30403 - Disclosure - Accounts Receivable (Tables)link:presentationLinklink:calculationLinklink:definitionLink30503 - Disclosure - Property, Plant And Equipment (Tables)link:presentationLinklink:calculationLinklink:definitionLink30603 - Disclosure - Goodwill And Other Intangibles (Tables)link:presentationLinklink:calculationLinklink:definitionLink30703 - Disclosure - Planned Divestiture Of Northwest Operations (Tables)link:presentationLinklink:calculationLinklink:definitionLink30803 - Disclosure - Fair Value Of Financial Instruments (Tables)link:presentationLinklink:calculationLinklink:definitionLink30903 - Disclosure - Long-Term Debt (Tables)link:presentationLinklink:calculationLinklink:definitionLink31001 - Disclosure - Restructuring Costs And Other Charges (Tables)link:presentationLinklink:calculationLinklink:definitionLink31103 - Disclosure - Leases (Tables)link:presentationLinklink:calculationLinklink:definitionLink31203 - Disclosure - Investment And Other Income (Loss) (Tables)link:presentationLinklink:calculationLinklink:definitionLink31303 - Disclosure - Income Taxes (Tables)link:presentationLinklink:calculationLinklink:definitionLink31403 - Disclosure - Net Loss Per Share (Tables)link:presentationLinklink:calculationLinklink:definitionLink31503 - Disclosure - Stock Plans (Tables)link:presentationLinklink:calculationLinklink:definitionLink31603 - Disclosure - Comprehensive Income (Loss) (Tables)link:presentationLinklink:calculationLinklink:definitionLink31703 - Disclosure - Retirement Plans (Tables)link:presentationLinklink:calculationLinklink:definitionLink40101 - Disclosure - Summary Of Significant Accounting Policies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40201 - Disclosure - Recent Accounting Literature (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40306 - Disclosure - Revenue Recognition (Changes In Contract Assets And Contract Liabilities) (Details)link:presentationLinklink:calculationLinklink:definitionLink40307 - Disclosure - Revenue Recognition (Performance Obligations, Revenue) (Details)link:presentationLinklink:calculationLinklink:definitionLink40403 - Disclosure - Accounts Receivable (Allowance For Doubtful Accounts) (Details)link:presentationLinklink:calculationLinklink:definitionLink40501 - Disclosure - Property, Plant, and Equipment (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40503 - Disclosure - Property, Plant And Equipment (Schedule Of Depreciation Expense) (Details)link:presentationLinklink:calculationLinklink:definitionLink40601 - Disclosure - Goodwill And Other Intangibles (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40602 - Disclosure - Goodwill And Other Intangibles (Goodwill Rollforward) (Details)link:presentationLinklink:calculationLinklink:definitionLink40604 - Disclosure - Goodwill And Other Intangibles (Amortization Expense) (Details)link:presentationLinklink:calculationLinklink:definitionLink40701 - Disclosure - Planned Divestiture Of Northwest Operations (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40805 - Disclosure - Fair Value Of Financial Instruments (Fair Value Of Long-Term Debt) (Details)link:presentationLinklink:calculationLinklink:definitionLink40901 - Disclosure - Long-Term Debt (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink40903 - Disclosure - Long-Term Debt (Senior Unsecured Debt) (Details)link:presentationLinklink:calculationLinklink:definitionLink40904 - Disclosure - Long-Term Debt (Debt Maturities By Year) (Details)link:presentationLinklink:calculationLinklink:definitionLink41001 - Disclosure - Restructuring Costs And Other Charges (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41002 - Disclosure - Restructuring Costs And Other Charges (Restructuring Reserve Rollforward) (Details)link:presentationLinklink:calculationLinklink:definitionLink41101 - Disclosure - Leases (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41102 - Disclosure - Leases (Effect Of The Adoption Of ASC 842) (Details)link:presentationLinklink:calculationLinklink:definitionLink41104 - Disclosure - Leases (Supplemental Balance Sheet Information Related To Leases) (Details)link:presentationLinklink:calculationLinklink:definitionLink41105 - Disclosure - Leases (Supplemental Cash Flow Information Related To Leases) (Details)link:presentationLinklink:calculationLinklink:definitionLink41301 - Disclosure - Income Taxes (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41401 - Disclosure - Net Loss Per Share (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41501 - Disclosure - Stock Plans (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41502 - Disclosure - Stock Plans (LTIP Target Performance Shares) (Details)link:presentationLinklink:calculationLinklink:definitionLink41503 - Disclosure - Stock Plans (Restricted Shares Outstanding) (Details)link:presentationLinklink:calculationLinklink:definitionLink41701 - Disclosure - Retirement Plans (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink41801 - Disclosure - Commitments And Contingencies (Narrative) (Details)link:presentationLinklink:calculationLinklink:definitionLink