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Note K - Long-term Debt - Summary of Redemption Features (Details)
 12 Months Ended
Mar. 29, 2015
Debt Instrument, Redemption, Period One [Member]  
Redemption percentage 105.00%us-gaap_DebtInstrumentRedemptionPricePercentage
/ us-gaap_DebtInstrumentRedemptionPeriodAxis
= us-gaap_DebtInstrumentRedemptionPeriodOneMember
Debt Instrument, Redemption, Period Two [Member]  
Redemption percentage 102.50%us-gaap_DebtInstrumentRedemptionPricePercentage
/ us-gaap_DebtInstrumentRedemptionPeriodAxis
= us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Debt Instrument, Redemption, Period Three [Member]  
Redemption percentage 100.00%us-gaap_DebtInstrumentRedemptionPricePercentage
/ us-gaap_DebtInstrumentRedemptionPeriodAxis
= us-gaap_DebtInstrumentRedemptionPeriodThreeMember