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Concentrations of Credit Risk (Details) (Sales Revenue, Net [Member], Customer Concentration Risk [Member], Samsung [Member])
12 Months Ended
Mar. 28, 2015
Mar. 29, 2014
Mar. 30, 2013
Sales Revenue, Net [Member] | Customer Concentration Risk [Member] | Samsung [Member]
     
Revenue from significant customers      
Percentage 14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= rfmd_SamsungMember
25.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= rfmd_SamsungMember
22.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= rfmd_SamsungMember