0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Statement of Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Statement of Comprehensive Income (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Statement of Financial Position (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Statement of Financial Position (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Statement of Changes in Stockholders' Equity (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Statement of Changes in Stockholders' Equity (Unaudited) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Statement of Cash Flows (Unaudited) link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Operating Revenue link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Net Income Per Share link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Inventories link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Pension and Other Postretirement Benefits link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Accumulated Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Operating Revenue (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Net Income Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Inventories (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Pension and Other Postretirement Benefits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Accumulated Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Operating Revenue - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Operating Revenue - Schedule of Operating Revenue by Product Category (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Net Income Per Share - Schedule of Computation of Net Income Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Net Income Per Share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Pension and Other Postretirement Benefits - Schedule of Pension and Other Postretirement Benefit Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Pension and Other Postretirement Benefits - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Debt - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Debt - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Debt - Schedule of Fair Value and Related Carrying Values (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Segment Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Segment Information - Schedule of Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink