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Significant Accounting Policies (Details) | Mar. 31, 2012 | Mar. 26, 2011 | Mar. 27, 2010
--- | --- | --- | ---
Company's sales mix |  |  |
Revenue recognition | 100.00% | 100.00% | 100.00%
Brakes [Member] |  |  |
Company's sales mix |  |  |
Revenue recognition | 18.00% | 18.00% | 19.00%
Exhaust [Member] |  |  |
Company's sales mix |  |  |
Revenue recognition | 5.00% | 5.00% | 6.00%
Steering [Member] |  |  |
Company's sales mix |  |  |
Revenue recognition | 10.00% | 11.00% | 11.00%
Tires [Member] |  |  |
Company's sales mix |  |  |
Revenue recognition | 39.00% | 38.00% | 34.00%
Maintenance [Member] |  |  |
Company's sales mix |  |  |
Revenue recognition | 28.00% | 28.00% | 30.00%

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- Details
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- Definition The percentage of net product revenue to total net revenue from the sale of goods as of year end. + References No definition available. + Details
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