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Commitments and Contingencies (Schedule of Future Rental and Capital Lease Commitments) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 28, 2015 | Mar. 29, 2014
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Rental Commitments [Line Items] |  |
2016 | $ 4,387 us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent |
2017 | 3,936 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears |
2018 | 2,083 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears |
2019 | 1,087 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears |
2020 | 501 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears |
Thereafter | 193 us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter |
Total minimum lease payment | 12,187 us-gaap_OperatingLeasesFutureMinimumPaymentsDue |
Capital Leases, Future Minimum Payments Due, Next Twelve Months | 246 us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent |
Capital Leases, Future Minimum Payments Due in Two Years | 246 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears |
Capital Leases, Future Minimum Payments Due in Three Years | 245 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears |
Capital Leases, Future Minimum Payments Due in Four Years | 245 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears |
Property, Plant and Equipment, Gross | 216,705 us-gaap_PropertyPlantAndEquipmentGross | 161,318 us-gaap_PropertyPlantAndEquipmentGross
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | 72,359 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | 57,668 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Facilities [Member] |  |
Rental Commitments [Line Items] |  |
2016 | 4,388 us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent / crus_RentalCommitmentsAxis = crus_FacilitiesMember |
2017 | 3,914 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears / crus_RentalCommitmentsAxis = crus_FacilitiesMember |
2018 | 2,074 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears / crus_RentalCommitmentsAxis = crus_FacilitiesMember |
2019 | 1,083 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears / crus_RentalCommitmentsAxis = crus_FacilitiesMember |
2020 | 501 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears / crus_RentalCommitmentsAxis = crus_FacilitiesMember |
Thereafter | 193 us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter / crus_RentalCommitmentsAxis = crus_FacilitiesMember |
Total minimum lease payment | 12,153 us-gaap_OperatingLeasesFutureMinimumPaymentsDue / crus_RentalCommitmentsAxis = crus_FacilitiesMember |
Subleases [Member] |  |
Rental Commitments [Line Items] |  |
2016 | 27 us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent / crus_RentalCommitmentsAxis = crus_SubleasesMember |
2017 |  |
2018 |  |
2019 |  |
2020 |  |
Thereafter |  |
Total minimum lease payment | 27 us-gaap_OperatingLeasesFutureMinimumPaymentsDue / crus_RentalCommitmentsAxis = crus_SubleasesMember |
Net Facilities Commitments [Member] |  |
Rental Commitments [Line Items] |  |
2016 | 4,361 us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent / crus_RentalCommitmentsAxis = crus_NetFacilitiesCommitmentsMember |
2017 | 3,914 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears / crus_RentalCommitmentsAxis = crus_NetFacilitiesCommitmentsMember |
2018 | 2,074 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears / crus_RentalCommitmentsAxis = crus_NetFacilitiesCommitmentsMember |
2019 | 1,083 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears / crus_RentalCommitmentsAxis = crus_NetFacilitiesCommitmentsMember |
2020 | 501 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears / crus_RentalCommitmentsAxis = crus_NetFacilitiesCommitmentsMember |
Thereafter | 193 us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter / crus_RentalCommitmentsAxis = crus_NetFacilitiesCommitmentsMember |
Total minimum lease payment | 12,126 us-gaap_OperatingLeasesFutureMinimumPaymentsDue / crus_RentalCommitmentsAxis = crus_NetFacilitiesCommitmentsMember |
Equipment Commitments [Member] |  |
Rental Commitments [Line Items] |  |
2016 | 26 us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent / crus_RentalCommitmentsAxis = crus_EquipmentCommitmentsMember |
2017 | 22 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears / crus_RentalCommitmentsAxis = crus_EquipmentCommitmentsMember |
2018 | 9 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears / crus_RentalCommitmentsAxis = crus_EquipmentCommitmentsMember |
2019 | 4 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears / crus_RentalCommitmentsAxis = crus_EquipmentCommitmentsMember |
2020 |  |
Thereafter |  |
Total minimum lease payment | 61 us-gaap_OperatingLeasesFutureMinimumPaymentsDue / crus_RentalCommitmentsAxis = crus_EquipmentCommitmentsMember |
Assets Held under Capital Leases [Member] |  |
Rental Commitments [Line Items] |  |
Property, Plant and Equipment, Gross | 1,100 us-gaap_PropertyPlantAndEquipmentGross / crus_RentalCommitmentsAxis = us-gaap_AssetsHeldUnderCapitalLeasesMember |
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | $ 100 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment / crus_RentalCommitmentsAxis = us-gaap_AssetsHeldUnderCapitalLeasesMember |

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