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Significant Accounting Policies (Details) (USD $)
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12 Months Ended | |
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Mar. 31, 2012
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Mar. 31, 2011
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| Accounting Policies [Abstract] | ||
| Percentage Of Outstanding Stock Of All Subsidiaries Owned | 100.00% | |
| Amount of deferred revenue (gross) | $ 159,100,000 | $ 208,100,000 |
| Amount of deferred cost of sales | 50,400,000 | 68,100,000 |
| Amount of deferred Income on shipments to distributors | 108,709,000 | 140,044,000 |
| Estimated useful lives, lower range (in years) | 3 | |
| Estimated useful lives, upper range (in years) | 30 | |
| Junior subordinated convertible debentures conversion price per share (in dollars per share) | $ 27.94 | |
| Amount of distributor advances, included in deferred income on shipments to distributors in consolidated balance sheets | $ 51,700,000 | $ 71,900,000 |
| Number of days requiring distributor to settle receivable balances (in days) | 30 |
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- Definition
Amount of deferred cost of sales as of balance sheet date. Deferred cost of sales represents aggregate cost of goods produced and sold and services rendered that is directly matched to deferred revenue. No definition available.
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- Definition
Amount of deferred revenue, before deduction of deferred cost of sales, as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. No definition available.
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- Definition
Amount of distributor advances, included in deferred income on shipments to distributors deferred revenue, as of balance sheet date. Distributor advances pertains to cash payments made to certain distributors for the purposes of reducing those distributors working capital requirements. No definition available.
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- Definition
Number of days requiring distributor to settle receivable balances, on a current basis, for amounts originally invoiced (in days) No definition available.
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- Definition
The percentage of ownership of common stock or equity participation in the investee. No definition available.
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- Details
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- Definition
The price per share of the conversion feature embedded in the debt instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. No definition available.
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- Definition
The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. No definition available.
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