Schedule of Prepaid and Other Current Assets (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Other Assets, Current [Line Items]
Prepaid non-income taxes	$ 27,525	$ 23,737
Prepaid income taxes	16,145	7,716
Non-trade receivables	6,096	8,247
Other	14,053	12,693
Total	$ 63,819	$ 52,393

The total of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer, and the aggregate carrying amount of current assets, as of the balance sheet date, not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Carrying amount as of the balance sheet date of payments made in advance for income and other taxes, which will be charged against earnings within one year or the normal operating cycle, if longer.

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