Rental Truck Depreciation Data (Details) (Rental Trucks [Member])	12 Months Ended
	Mar. 31, 2014
Rental Trucks [Member]
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%
Month and year depreciation method changed	2012-10
Salvage value percentage under the old declining balance method	20.00%