XML 23 R79.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Commitments And Contingencies (Schedule Of Rent Expense Under Operating Leases) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011 | Mar. 31, 2010
Commitments And Contingencies [Abstract] |  |  |
Rent expense | $ 3,336 | $ 2,947 | $ 2,153

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

X
- Definition Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration