v2.4.0.6

Deferred Tax Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Mar. 31, 2012
--- | --- | ---
Schedule of Deferred Income Tax Assets and Liabilities [Line Items] |  |
Accounts receivable | $ 660 | $ 1,111
Inventories | 4,345 | 6,707
Net operating loss carryforwards | 67,834 | 71,773
Accrued expenses | 32,773 | 26,997
Other assets | 9,703 | 10,228
Gross deferred tax assets | 115,315 | 116,816
Less valuation allowance | (54,542) | (56,359)
Total deferred tax assets | 60,773 | 60,457
Property, plant and equipment | 28,985 | 30,957
Other intangible assets | 48,142 | 46,628
Convertible Notes | 22,386 | 21,616
Other liabilities | 865 | 2,400
Total deferred tax liabilities | 100,378 | 101,601
Net deferred tax liabilities | $ (39,605) | $ (41,144)

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