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Rental Truck Depreciation Data (Details) (Rental trucks, USD $) In Millions, unless otherwise specified | Mar. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2011
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Rental trucks |  |  |
Schedule of rental trucks depreciation: |  |  |
Salvage value percentage | 15.00% |  |
Percentage reduction for year one, depreciation | 16.00% |  |
Percentage reduction for year two, depreciation | 13.00% |  |
Percentage reduction for year three, depreciation | 11.00% |  |
Percentage reduction for year four, depreciation | 9.00% |  |
Percentage reduction for year five, depreciation | 8.00% |  |
Percentage reduction for year six, depreciation | 7.00% |  |
Percentage reduction for year seven, depreciation | 6.00% |  |
Percentage reduction if straight line approach used each year for depreciation calculation | 5.70% |  |
Increase in amount of depreciation because of accelerated method | $ 57.0 | $ 54.6 | $ 44.8
Month and year depreciation method changed | 2012-10 |  |
Salvage value percentage under the old declining balance method | 20.00% |  |

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- Definition Increase in amount of depreciation by using the accelerated method. + References No definition available. + Details
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- Definition The percentage reduction in year five of the book value of a rental truck. + References No definition available. + Details
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- Definition The percentage reduction in year four of the book value of a rental truck. + References No definition available. + Details
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- Definition The percentage reduction in year one of the book value of a rental truck. + References No definition available. + Details
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- Definition The percentage reduction in year seven of the book value of a rental truck. + References No definition available. + Details
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- Definition The percentage reduction in year six of the book value of a rental truck. + References No definition available. + Details
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- Definition The percentage reduction in year three of the book value of a rental truck. + References No definition available. + Details
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- Definition The percentage reduction in year two of the book value of a rental truck. + References No definition available. + Details
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- Definition The percentage reduction using the straight line approach for each year. + References No definition available. + Details
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- Definition What the salvage value would be if we continued calculating depreciation under the declining balance method. + References No definition available. + Details
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- Details
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- Definition We changed the salvage value for new trucks added to fleet. + References No definition available. + Details
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- Definition Stated as a percentage, the estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose) divided by its [historical] capitalized cost. + References No definition available. + Details
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