Document and Entity Information [Abstract] ASSETS Assets [Abstract] CURRENT ASSETS: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Investments available-for-sale Marketable Securities Trade receivables - less allowance for doubtful accounts: $401 as of October 2, 2011 and $406 as of April 3, 2011 Accounts Receivable, Net, Current Allowance for doubtful accounts, trade receivables Allowance for Doubtful Accounts Receivable, Current Inventories Inventory, Net Income taxes receivable Income Taxes Receivable, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current, Total Total current assets PROPERTY, PLANT, AND EQUIPMENT - net Property, Plant and Equipment, Net GOODWILL Goodwill INTANGIBLE ASSETS Intangible Assets, Net (Excluding Goodwill) LONG-TERM INVESTMENTS Long-term Investments OTHER Other Assets, Noncurrent Total current assets Assets TOTAL ASSETS LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] CURRENT LIABILITIES: Liabilities, Current [Abstract] Accounts payable - trade Accounts Payable, Current Dividends payable Dividends Payable, Current Accrued payroll and employee benefits Employee-related Liabilities, Current Deferred income taxes Deferred Tax Liabilities, Current Container deposits Customer Deposits, Current Income taxes payable Accrued Income Taxes, Current Other accruals Other Accrued Liabilities, Current Total current liabilities Liabilities, Current, Total Total current liabilities OTHER LONG-TERM LIABILITIES Other Liabilities, Noncurrent DEFERRED INCOME TAXES Deferred Tax Liabilities, Noncurrent Total liabilities Liabilities, Total Total liabilities COMMITMENTS AND CONTINGENCIES Commitments and Contingencies SHAREHOLDERS' EQUITY: Stockholders' Equity Attributable to Parent [Abstract] Common stock, par value $0.05; 10,331,280 shares issued and outstanding as of October 2, 2011 and 10,307,177 shares issued and outstanding as of April 3, 2011 Common Stock, Value, Issued Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, share issued Common Stock, Shares, Issued Common stock, share outstanding Common Stock, Shares, Outstanding Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Total shareholders' equity Stockholders' Equity Attributable to Parent, Total Total shareholders' equity Total shareholders' equity Liabilities and Equity Liabilities and Shareholders Equity Sales Revenue, Net Cost of sales Cost of Goods and Services Sold Cost of sales Gross profit Gross Profit Gross profit Selling, general and administrative expenses Selling, General and Administrative Expense Selling, general and administrative expenses Operating income Operating Income (Loss) Operating income Investment income Investment Income, Interest Income from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income from continuing operations before income taxes Provision for income taxes Income Tax Expense (Benefit) Provision for income taxes Income from continuing operations Income (Loss) from Continuing Operations Attributable to Parent Income from continuing operations Income from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net income Net Income (Loss) Attributable to Parent Net income Weighted average number of shares outstanding-basic Weighted Average Number of Shares Outstanding, Basic Weighted average number of shares outstanding-diluted Weighted Average Number of Shares Outstanding, Diluted Basic earnings per share Earnings Per Share, Basic [Abstract] Earnings per share from continuing operations Income (Loss) from Continuing Operations, Per Basic Share Earnings per share from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Basic earnings per share Earnings Per Share, Basic Diluted earnings per share Earnings Per Share, Diluted [Abstract] Earnings per share from continuing operations Income (Loss) from Continuing Operations, Per Diluted Share Earnings per share from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Diluted earnings per share Earnings Per Share, Diluted Cash dividends declared per common share Common Stock, Dividends, Per Share, Declared CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Reconciliation to cash flows: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Stock compensation expense Share-based Compensation Loss (gain) from property disposals Gain (Loss) on Disposition of Property Loss (gain) from property disposals Changes in operating accounts (using) providing cash: Increase (Decrease) in Operating Capital [Abstract] Trade receivables Increase (Decrease) in Accounts Receivable Trade receivables Inventories Increase (Decrease) in Inventories Inventories Accounts payable Increase (Decrease) in Accounts Payable Accrued liabilities Increase (Decrease) in Accrued Liabilities Income taxes Increase (Decrease) in Income Taxes Payable Income taxes Other Increase (Decrease) in Other Operating Assets and Liabilities, Net Other Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] Additions to property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Additions to property, plant, and equipment Purchases of investments Payments to Acquire Investments Purchases of investments Sale and maturities of investments Proceeds from Sale and Maturity of Marketable Securities Acquisition of Vertex Payments to Acquire Businesses, Net of Cash Acquired Acquisition of Vertex Proceeds from property disposals Proceeds from Sale of Property, Plant, and Equipment Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Cash dividends paid Payments of Dividends, Common Stock Cash dividends paid Other Proceeds from (Payments for) Other Financing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities NET INCREASE IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, Period Increase (Decrease) NET INCREASE IN CASH AND CASH EQUIVALENTS CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD CASH AND CASH EQUIVALENTS, END OF PERIOD SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION Supplemental Cash Flow Information [Abstract] Cash paid for income taxes Income Taxes Paid, Net Noncash investing activities- Other Noncash Investing and Financing Items [Abstract] Capital expenditures in accounts payable Capital Expenditures Incurred but Not yet Paid Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation [Abstract] Basis of Presentation [Abstract] Earnings per Share Earnings Per Share [Text Block] Earnings per Share [Abstract] Earnings per Share [Abstract] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Discontinued Operations [Abstract] Discontinued Operations [Abstract] Cash and Cash Equivalents and Investments Cash and Cash Equivalents Disclosure [Text Block] Cash and Cash Equivalents and Investments [Abstract] Cash and Cash Equivalents and Investments [Abstract] Inventories Inventory Disclosure [Text Block] Inventories [Abstract] Inventories [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Intangible Assets [Abstract] Goodwill and Intangible Assets [Abstract] Income Taxes Income Tax Disclosure [Text Block] Income Taxes [Abstract] Income Taxes [Abstract] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Accumulated Other Comprehensive Income (Loss) [Abstract] Accumulated Other Comprehensive Income (Loss) [Abstract] Stock Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock Based Compensation [Abstract] Stock Based Compensation [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies [Abstract] Commitments and Contingencies [Abstract] Business Combinations Business Combination Disclosure [Text Block] Business Combinations [Abstract] Business Combinations [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Segment Information [Abstract] Segment Information [Abstract] Amendment Flag Current Fiscal Year End Date Document Period End Date Document Type Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Filer Category Entity Registrant Name Entity Voluntary Filers Entity Well-known Seasoned Issuer Entity Public Float Document Fiscal Period Focus Document Fiscal Year Focus Condensed Consolidated Balance Sheets [Abstract] Condensed Consolidated Statements of Income [Abstract] Condensed Consolidated Statements of Cash Flows [Abstract]