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Product Warranties (Details) (USD $)
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3 Months Ended | 6 Months Ended | ||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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| Changes in Company's product warranty reserve | ||||
| Specific pre-acquisition ANTONE product warranty in excess of acquired limit | $ 303,000 | |||
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Warranty reserve [Member]
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| Changes in Company's product warranty reserve | ||||
| Total product warranty reserve at the beginning of the period | 236,000 | 560,000 | 243,000 | 758,000 |
| Warranty reserve acquired from ANTONE | 25,000 | |||
| Specific pre-acquisition ANTONE product warranty in excess of acquired limit | 303,000 | 303,000 | ||
| Warranty expense (reversal) | 5,000 | 15,000 | (5,000) | 83,000 |
| Utilization | (46,000) | (55,000) | (68,000) | (127,000) |
| Warranty liability transferred to NETGEAR | (194,000) | |||
| Total product warranty reserve at the end of the period | $ 498,000 | $ 520,000 | $ 498,000 | $ 520,000 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Liability for a standard product warranty acquired in a business acquisition. Does not include any liability for an extended warranty acquired in a business acquisition. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Specific pre acquisition product warranty accrual additions. No definition available.
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| X | ||||||||||
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- Definition
Warranty liability transferred to NETGEAR. No definition available.
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