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Taxes - Additional Information (Detail) (USD $) | 12 Months Ended
--- | ---
Mar. 31, 2012 | Apr. 02, 2011 | Apr. 03, 2010
Income Tax [Line Items] |  |  |
Increase in deferred tax valuation allowance | $ 4,400,000 | $ 3,300,000 | $ 800,000
Valuation allowance released | 200,000 | 900,000 |
Accrued liability for uncertain tax positions | 1,900,000 |  |
Unrecognized tax benefits | 1,758,000 | 939,000 | 378,000
Interest recognized | 100,000 | 100,000 |
Undistributed earnings | 274,300,000 |  |
UNITED STATES |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | 2,900,000 |  |
UNITED STATES | Minimum |  |  |
Income Tax [Line Items] |  |  |
Operating loss carry forward expiration year | 2026 |  |
Foreign Tax Authority |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 43,700,000 |  |
Foreign Tax Authority | Minimum |  |  |
Income Tax [Line Items] |  |  |
Operating loss carry forward expiration year | 2016 |  |

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