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Income Taxes (Narrative) (Details) (USD $)
3 Months Ended
Jul. 02, 2011
Income Taxes  
Unrecognized tax benefits $ 15,600,000
Unrecognized tax benefits that would impact effective tax rate 12,500,000
Unrecognized tax benefits excluding interest and penalties 2,700,000
Accrued income tax-related interest expense 2,000,000
Penalties accrued 0
Total amount of accrued income tax-related interest $ 200,000