101 - Document - Document and Entity Information link:calculationLink link:presentationLink link:definitionLink 103 - Statement - Consolidated Balance Sheets link:calculationLink link:presentationLink link:definitionLink 104 - Statement - Consolidated Balance Sheets (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 105 - Statement - Consolidated Statements of Operations link:calculationLink link:presentationLink link:definitionLink 106 - Statement - Consolidated Statements of Shareholders' Equity link:calculationLink link:presentationLink link:definitionLink 107 - Statement - Consolidated Statements of Cash Flows link:calculationLink link:presentationLink link:definitionLink 108 - Disclosure - Summary of Significant Accounting Policies link:calculationLink link:presentationLink link:definitionLink 109 - Disclosure - Costs and Estimated Earnings Related to Billings on Uncompleted Contracts link:calculationLink link:presentationLink link:definitionLink 110 - 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Disclosure - Intangible Assets (Tables) link:calculationLink link:presentationLink link:definitionLink 129 - Disclosure - Inventories (Tables) link:calculationLink link:presentationLink link:definitionLink 130 - Disclosure - Lines of Credit and Long-Term Debt (Tables) link:calculationLink link:presentationLink link:definitionLink 131 - Disclosure - Accrued Expenses and Warranty Obligations (Tables) link:calculationLink link:presentationLink link:definitionLink 132 - Disclosure - Stock Options (Tables) link:calculationLink link:presentationLink link:definitionLink 133 - Disclosure - Taxes on Income (Tables) link:calculationLink link:presentationLink link:definitionLink 134 - Disclosure - Commitments and Contingencies (Tables) link:calculationLink link:presentationLink link:definitionLink 135 - Disclosure - Supplemental Cash Flow Information (Tables) link:calculationLink link:presentationLink link:definitionLink 136 - Disclosure - Selected Quarterly Financial Data (unaudited) (Tables) link:calculationLink link:presentationLink link:definitionLink 137 - 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Disclosure - Cost and Accumulated Amortization of Intangible Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 145 - Disclosure - Expected Amortization Expense (Detail) link:calculationLink link:presentationLink link:definitionLink 146 - Disclosure - Inventories (Detail) link:calculationLink link:presentationLink link:definitionLink 147 - Disclosure - Inventories - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 148 - Disclosure - Roll Forward of Inventory Reserves (Detail) link:calculationLink link:presentationLink link:definitionLink 149 - Disclosure - Lines of Credit and Long-Term Debt - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 150 - Disclosure - Long-Term Debt (Detail) link:calculationLink link:presentationLink link:definitionLink 151 - Disclosure - Long-Term Debt (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 152 - Disclosure - Future Maturities of Lines of Credit and Long-Term Debt (Detail) link:calculationLink link:presentationLink link:definitionLink 153 - Disclosure - Notes Payable to Officers and Directors - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 154 - Disclosure - Reconciliation of Changes in Warranty Reserve (Detail) link:calculationLink link:presentationLink link:definitionLink 155 - Disclosure - Accrued Liabilities (Detail) link:calculationLink link:presentationLink link:definitionLink 156 - Disclosure - Stock Options - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 157 - Disclosure - Information Regarding Stock Option Plans (Detail) link:calculationLink link:presentationLink link:definitionLink 158 - Disclosure - Options Outstanding and Exercisable (Detail) link:calculationLink link:presentationLink link:definitionLink 159 - Disclosure - Provision (Benefit) for Income Taxes (Detail) link:calculationLink link:presentationLink link:definitionLink 160 - Disclosure - Income Before Provision for Taxes (Detail) link:calculationLink link:presentationLink link:definitionLink 161 - Disclosure - Taxes on Income - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 162 - Disclosure - Provision for Income Taxes Differs from Amount Computed by Applying Federal Statutory Rate (Detail) link:calculationLink link:presentationLink link:definitionLink 163 - Disclosure - Sources of Temporary Differences and Carry Forwards, and Their Effect on Net Deferred Tax Asset (Detail) link:calculationLink link:presentationLink link:definitionLink 164 - Disclosure - Benefit Plans - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 165 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 166 - Disclosure - Future Minimum Rental Payments (Detail) link:calculationLink link:presentationLink link:definitionLink 167 - Disclosure - Future Minimum Rental Payments under Related Party Leases (Detail) link:calculationLink link:presentationLink link:definitionLink 168 - Disclosure - Concentrations of Risk and Major Customers - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 169 - Disclosure - Supplemental Cash Flow Information (Detail) link:calculationLink link:presentationLink link:definitionLink 170 - Disclosure - Quarterly Consolidated Financial Data (Detail) link:calculationLink link:presentationLink link:definitionLink 171 - Disclosure - Gain on Sale of Property Plant and Equipment - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 172 - Disclosure - Discontinued Operations - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 173 - Disclosure - Summarized Financial Information For Discontinued Operations (Detail) link:calculationLink link:presentationLink link:definitionLink 174 - Disclosure - Information Relative to Contracts in Progress (Detail) (Alternate 1) link:calculationLink link:presentationLink link:definitionLink 175 - Disclosure - Sources of Temporary Differences and Carry Forwards, and Their Effect on Net Deferred Tax Asset (Detail) (Alternate 1) link:calculationLink link:presentationLink link:definitionLink