00100 - Statement - CONSOLIDATED BALANCE SHEETS
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00200 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS
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00300 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
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00500 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS
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40101 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Description of Business (Details)
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40103 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair values of financial assets and liabilities (Details)
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40106 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Foreign Currency Translation and Transactions, Earnings per Share, Warranty Provision & Subsequent Events (Details)
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40201 - Disclosure - ACQUISITION ACTIVITY - Explosive Trace Detection & American Science and Engineering (Details)
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40301 - Disclosure - INVENTORIES (Details)
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40401 - Disclosure - PROPERTY AND EQUIPMENT (Details)
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40502 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Intangible Assets Subject to Amortization (Details)
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40503 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Estimated Future Amortization Expense of Intangibles (Details)
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40504 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Intangible Assets Subject to Amortization (Details) Calc 2
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40601 - Disclosure - IMPAIRMENT, RESTRUCTURING AND OTHER CHARGES - Restructuring and other charges(Details)
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40603 - Disclosure - IMPAIRMENT, RESTRUCTURING AND OTHER CHARGES - Impairments, restructuring and other charges(Details)
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40701 - Disclosure - LINE-OF-CREDIT BORROWINGS AND DEBT (Details)
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40702 - Disclosure - LINE-OF-CREDIT BORROWINGS AND DEBT (Details) (Calc 2)
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40801 - Disclosure - STOCK-BASED COMPENSATION - Stock based compensation expense (Details)
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40901 - Disclosure - INCOME TAXES - Geographical breakdown of income (Details)
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40902 - Disclosure - INCOME TAXES - Unrecognized tax benefits (Details)
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40906 - Disclosure - INCOME TAXES - Effective income tax rate (Details)
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40907 - Disclosure - INCOME TAXES - Unrecognized tax benefits (Details) Calc 2
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41001 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details)
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41302 - Disclosure - EMPLOYEE BENEFIT PLANS - Change in Benefit Obligation (Details)
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00090 - Document - Document and Entity Information
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00105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)
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00400 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
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10101 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
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10201 - Disclosure - ACQUISITION ACTIVITY
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10301 - Disclosure - INVENTORIES
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10401 - Disclosure - PROPERTY AND EQUIPMENT
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10501 - Disclosure - GOODWILL AND INTANGIBLE ASSETS
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10601 - Disclosure - IMPAIRMENT, RESTRUCTURING AND OTHER CHARGES
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10701 - Disclosure - LINE-OF-CREDIT BORROWINGS AND DEBT
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10801 - Disclosure - STOCK-BASED COMPENSATION
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10901 - Disclosure - INCOME TAXES
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11001 - Disclosure - COMMITMENTS AND CONTINGENCIES
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11101 - Disclosure - STOCKHOLDERS' EQUITY
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11201 - Disclosure - RELATED-PARTY TRANSACTIONS
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11301 - Disclosure - EMPLOYEE BENEFIT PLANS
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11401 - Disclosure - SEGMENT INFORMATION
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11501 - Disclosure - SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS
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20102 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
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30103 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
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30203 - Disclosure - ACQUISITION ACTIVITY (Tables)
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30303 - Disclosure - INVENTORIES (Tables)
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30403 - Disclosure - PROPERTY AND EQUIPMENT (Tables)
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30503 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables)
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30603 - Disclosure - IMPAIRMENT, RESTRUCTURING AND OTHER CHARGES (Tables)
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30703 - Disclosure - LINE-OF-CREDIT BORROWINGS AND DEBT (Tables)
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30803 - Disclosure - STOCK-BASED COMPENSATION (Tables)
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30903 - Disclosure - INCOME TAXES (Tables)
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31003 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)
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31303 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables)
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31403 - Disclosure - SEGMENT INFORMATION (Tables)
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40102 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - U.S. Tax Reform (Details)
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40104 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details)
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40105 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Credit Risk and Concentration (Details)
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40202 - Disclosure - ACQUISITION ACTIVITY - Intangible Assets (Details)
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40203 - Disclosure - ACQUISITION ACTIVITY - Revenue and Income (Details)
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40204 - Disclosure - ACQUISITION ACTIVITY - Other Acquisitions (Details)
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40501 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Goodwill (Details)
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40602 - Disclosure - IMPAIRMENT, RESTRUCTURING AND OTHER CHARGES - Changes in the accrual for restructuring and other charges (Details)
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40802 - Disclosure - STOCK-BASED COMPENSATION - OSI Plans (Details)
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40903 - Disclosure - INCOME TAXES - Net operating loss carryforwards (Details)
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40904 - Disclosure - INCOME TAXES - Credit carryforwards (Details)
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40905 - Disclosure - INCOME TAXES - Excess tax benefits and tax deficiencies (Details)
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41002 - Disclosure - COMMITMENTS AND CONTINGENCIES - Contingent Acquisition Obligations (Details)
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41101 - Disclosure - STOCKHOLDERS' EQUITY (Details)
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41201 - Disclosure - RELATED-PARTY TRANSACTIONS (Details)
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41301 - Disclosure - EMPLOYEE BENEFIT PLANS - Employee Retirement Savings Plans (Details)
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41303 - Disclosure - EMPLOYEE BENEFIT PLANS - Plan Assets and Investment Policy (Details)
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41304 - Disclosure - EMPLOYEE BENEFIT PLANS - Projected Benefit Payments (Details)
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41401 - Disclosure - SEGMENT INFORMATION (Details)
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41402 - Disclosure - SEGMENT INFORMATION - By industry segment (Details)
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41403 - Disclosure - SEGMENT INFORMATION - By geographical area (Details)
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41501 - Disclosure - SCHEDULE II-VALUATION AND QUALIFYING ACCOUNTS (Details)
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