XML 131 R136.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Estimated Useful Life (Details) | 12 Months Ended
--- | ---
Mar. 31, 2013
Rental equipment | Maximum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 20 years 0 months 0 days
Rental equipment | Minimum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 2 years 0 months 0 days
All non-rental equipment | Maximum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 55 years 0 months 0 days
All non-rental equipment | Minimum |
Property, Plant and Equipment [Line Items] |
Property, plant and equipment, useful life | 3 years 0 months 0 days

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration