Note N - Long-term Debt - Summary of Redemption Features (Details)	3 Months Ended
	Jun. 25, 2017
Debt Instrument, Redemption, Period One [Member]
Debt instrument, redemption price, percentage	105.00%
Debt Instrument, Redemption, Period Two [Member]
Debt instrument, redemption price, percentage	102.50%
Debt Instrument, Redemption, Period Three [Member]
Debt instrument, redemption price, percentage	100.00%