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Note 4 - Income Taxes (Tables) | 12 Months Ended
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Aug. 31, 2013
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
Year ended |  | August 31, 2013 |  | August 25, 2012 |  |  | August 27, 2011
Current: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 39,455 |  |  |  | $ | 43,470 |  |  | $ | 22,372 |  |
Foreign |  |  | 3,999 |  |  |  |  | 3,604 |  |  |  | 3,664 |  |
State |  |  | 6,722 |  |  |  |  | 8,066 |  |  |  | 5,089 |  |
Total current |  | $ | 50,176 |  |  |  | $ | 55,140 |  |  | $ | 31,125 |  |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 17,514 |  |  |  | $ | 540 |  |  | $ | 11,424 |  |
Foreign |  |  | 151 |  |  |  |  | 90 |  |  |  | (94 | ) |
State |  |  | 3,083 |  |  |  |  | (25 | ) |  |  | 1,631 |  |
Total deferred |  | $ | 20,748 |  |  |  | $ | 605 |  |  | $ | 12,961 |  |
Total |  | $ | 70,924 |  |  |  | $ | 55,745 |  |  | $ | 44,086 |  |
Reconciliation Of Provision For Income Taxes [Table Text Block] |
|  | August 31, 2013 |  |  | August 25, 2012 |  |  | August 27, 2011
Income taxes at the statutory federal income tax rate |  |  | 35.0 | % |  |  | 35.0 | % |  |  | 35.0 | % |
State income taxes |  |  | 3.5 |  |  |  | 3.5 |  |  |  | 3.7 |  |
Adjustments to tax reserves |  |  | -0.1 |  |  |  | -0.6 |  |  |  | -1.1 |  |
Foreign tax rate differential |  |  | -0.8 |  |  |  | -1.0 |  |  |  | -1.0 |  |
Permanent and other |  |  | 0.2 |  |  |  | 0.1 |  |  |  | 0.0 |  |
Total |  |  | 37.8 | % |  |  | 37.0 | % |  |  | 36.6 | % |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | August 31, 2013 |  | August 25, 2012
Deferred Tax Assets |  |  |  |  |  |  |  |  |  |
Payroll and benefit related |  | $ | 16,524 |  |  |  | $ | 15,577 |  |
Insurance related |  |  | 13,073 |  |  |  |  | 12,928 |  |
Environmental |  |  | 7,133 |  |  |  |  | 7,886 |  |
Other |  |  | 11,421 |  |  |  |  | 12,588 |  |
|  | $ | 48,151 |  |  |  | $ | 48,979 |  |
Deferred Tax Liabilities |  |  |  |  |  |  |  |  |  |
Tax in excess of book depreciation |  | $ | 42,512 |  |  |  | $ | 42,282 |  |
Purchased intangible assets |  |  | 28,632 |  |  |  |  | 26,666 |  |
Rental merchandise in service |  |  | 38,722 |  |  |  |  | 20,992 |  |
|  |  | 109,866 |  |  |  |  | 89,940 |  |
Net deferred tax liability |  | $ | 61,715 |  |  |  | $ | 40,961 |  |
Summary of Income Tax Contingencies [Table Text Block] |
Balance at August 27, 2011 |  | $ | 2,320 |
Additions based on tax positions related to the current year |  |  | 137 |
Statute expirations |  |  | (1,406 | )
Balance at August 25, 2012 |  | $ | 1,051 |
Additions based on tax positions related to the current year |  |  | 350 |
Statute expirations |  |  | (475 | )
Balance at August 31, 2013 |  | $ | 926 |

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- Definition Tabular disclosure of the differences between accounting for financial statement purposes and accounting for tax purposes that result in the current provision for taxes being higher (lower) than the total provision for income taxes. + References No definition available. + Details
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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities (i.e., uncertain tax positions) and other types of income tax contingencies, including: (1) the policy on classification of interest and penalties; (2) a tabular reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period; the total amount(s) of: (3) unrecognized tax benefits that, if recognized, would affect the effective tax rate, and (4) interest and penalties recognized in each of the income statement and balance sheet; (5) for positions for which it is reasonably possible that the total amounts unrecognized will significantly change within 12 months of the reporting date the: (i) nature of the uncertainty, (ii) nature of the event that could occur that would cause the change, and (iii) an estimate of the range of the reasonably possible change or a statement that an estimate of the range cannot be made; and (6) a description of tax years that remain subject to examination by major tax jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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