Statement, Business Segments [Axis] United States Canada Europe Disposal Group Name [Axis] Fremont, NC Business Acquisition [Axis] Vogel Capital Inc. d/b/a Diamond Machining Technology Spill Magic Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Is Entity a Well-known Seasoned Issuer? Is Entity a Voluntary Filer? Is Entity's Reporting Status Current? Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Entity Public Float Statement of Financial Position [Abstract] ASSETS Current assets: Cash and cash equivalents Accounts receivable, less allowance Inventories: Finished goods Work in process Raw materials and supplies Total inventory Prepaid expenses and other current assets Total current assets Property, plant and equipment: Land Buildings Machinery and equipment Total property, plant and equipment Less accumulated depreciation Net property, plant and equipment Goodwill Intangible assets, less accumulated amortization Other assets Total assets LIABILITIES Current liabilities: Accounts payable Other accrued liabilities Total current liabilities Long-term debt Other non-current liabilities Total liabilities Commitments and Contingencies STOCKHOLDERS' EQUITY Common stock, par value $2.50: authorized 8,000,000 shares; issued - 4,801,465 shares in 2017 and 4,788,965 in 2016 including treasury stock Additional paid-in capital Retained earnings Treasury stock, at cost - 1,464,010 shares in 2017 and 2016 Accumulated other comprehensive loss: Minimum pension liability Translation adjustment Total accumulated other comprehensive loss Total stockholders' equity Total liabilities and stockholders' equity Common stock, par value Common stock, shares authorized Common stock, shares issued Treasury stock, shares Condensed Consolidated Statements Of Operations Net sales Cost of goods sold Gross profit Selling, general and administrative expenses Operating income Non-operating income (loss): Non-operating items: Interest expense Interest income Interest expense, net Other income, net Total other expense, net Income before income tax expense Income tax expense Net income Basic earnings per share Diluted earnings per share Weighted average number of common shares outstanding - denominator used for basic per share computations Weighted average number of dilutive stock options outstanding Denominator used for diluted per share computations Dividends declared per share Condensed Consolidated Statements Of Comprehensive Income Net income Other comprehensive income - Foreign currency translation adjustment Total other comprehensive income (loss) Comprehensive income Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net income to net cash used by operating activities: Depreciation Amortization Stock compensation expense Gain on disposal/sale of assets Changes in operating assets and liabilities: Accounts receivable Inventories Prepaid expenses and other assets Accounts payable Other accrued liabilities Total adjustments Net cash used by operating activities Cash flows from investing activities: Purchase of property, plant, and equipment Purchase of patents and trademarks Acquisition of businesses Proceeds from the sales of property, plant and equipment Net cash used by investing activities Cash flows from financing activities: Net borrowings of long-term debt Cash settlement of stock options Proceeds from issuance of common stock Distributions to stockholders Purchase of treasury stock Net cash provided by financing activities Effect of exchange rate changes on cash and cash equivalents Net increase (decrease) in cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental cash flow information: Cash paid for income taxes Cash paid for interest Organization, Consolidation and Presentation of Financial Statements [Abstract] Basis of Presentation Contingencies Contingencies Retirement Benefits [Abstract] Pension Debt And Shareholders Equity Debt and Stockholders Equity Segment Information Segment Information Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Stock Based Compensation Fair Value Measurements Fair Value Measurements Business Combinations [Abstract] Business Combination Contingencies Tables Accrual for Environmental Remediation Table Pension Tables Components of Net Benefit Cost Segment Information Tables Financial Data By Segment Table Assets By Segment Statement [Table] Statement [Line Items] Purchase Price Allocation Bridgeport, CT Description of property sale Proceeds from sale of assets Mortgage receivable from sale of asset Environmental remediation liability Minimum environmental remediation monitoring period (in years) Environmental remediation accrual at December 31, 2016 Estimated Costs Payments Environmental remediation accrual at March 31, 2017 Plan contributions during period Components of net periodic benefit cost: Interest cost Service cost Expected return on plan assets Amortization of prior service costs Amortization of actuarial loss Net periodic benefit cost Debt And Shareholders Equity Details Narrative Outstanding borrowings under revolving loan agreement Amount available for borrowing under revolving loan agreement Credit facility borrowing capacity Interest rate of LIBOR plus percentage Credit facility interest rate Facility fee per annum Credit facility expiration date Covenant terms and compliance Common stock issued upon exercise of employee stock options (in shares) Cash received upon exercise of employee stock options Shares repurchased during period Average repurchase price Shares that may be purchased under repurchase program Cash paid to settle employee stock options Geographical [Axis] Sales to external customers Operating income (loss) Interest expense, net Other expense, net Consolidated income before income taxes Assets Segment Information Details Narrative Direct import sales to total net sales ratio Stock Based Compensation Details Narrative Share-based compensation expense Stock options granted during period (in shares) Weighted average fair value of stock options granted during period Unrecognized compensation cost Unrecognized compensation cost recognition period Purchase price Net income Unaudited proforma net sales during period Unaudited proforma net income during period Assets: Accounts Receivable Inventory Equipment Prepaid expenses Customer Relationships Trade Name Covenant Not-to-Compete Intangible Assets Total assets Liabilities: Accounts Payable Accrued Expense Total liabilities Intangible assets, specifically covenant not-to-compete, acquired in business combination. Intangible assets, specifically customer relationships, acquired in business combination. Intangible assets, specifically trade name, acquired in business combination. Entire disclosure for debt and shareholders equity. Percentage of direct import sales to total net sales. Estimated monitoring period after remediation is completed in years. Facility fee, expressed as a percentage of the average daily unused portion of the revolving credit line. Cash payment for settlement of stock options. Schedule of assets by segment. Inventory, Net Assets, Current Property, Plant and Equipment, Gross Property, Plant and Equipment, Net Liabilities, Current Liabilities Treasury Stock, Value Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Accumulated Other Comprehensive Income (Loss), Net of Tax Stockholders' Equity Attributable to Parent Liabilities and Equity Gross Profit Investment Income, Interest Interest Income (Expense), Net Other Nonoperating Income (Expense) Nonoperating Income (Expense) Weighted Average Number of Shares Outstanding, Diluted Comprehensive Income (Loss), Net of Tax, Attributable to Parent Gain (Loss) on Disposition of Assets Increase (Decrease) in Receivables Increase (Decrease) in Inventories Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Accounts Payable Increase (Decrease) in Other Accrued Liabilities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Net Cash Provided by (Used in) Operating Activities Payments to Acquire Property, Plant, and Equipment Payments to Acquire Intangible Assets Payments to Acquire Businesses and Interest in Affiliates Net Cash Provided by (Used in) Investing Activities Payments of Dividends Payments for Repurchase of Equity Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) Commitments and Contingencies Disclosure [Text Block] Segment Reporting Disclosure [Text Block] Fair Value Disclosures [Text Block] Accrual for Environmental Loss Contingencies Accrual for Environmental Loss Contingencies, Payments Defined Benefit Plan, Expected Return (Loss) on Plan Assets Defined Benefit Plan, Amortization of Gain (Loss) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities