Note 11 - Restructuring Charges and Exit Costs (Details) - Summary of Activities Affecting Liabilities (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Sep. 28, 2014	Mar. 30, 2014
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 2,369	$ 3,286
Additions/Adjustments	6,966	3,014
Non-cash Charges	(5,587)	(57)
Payments	(1,101)	(3,874)
Ending Balance	2,647	2,369
Lease Contract Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	1,615	2,860
Additions/Adjustments	236	570
Non-cash Charges	(109)	(57)
Payments	(234)	(1,758)
Ending Balance	1,508	1,615
Impairment of Fixed Assets and Write Down of Inventory [Member]
Restructuring Cost and Reserve [Line Items]
Additions/Adjustments	5,478
Non-cash Charges	(5,478)
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	754	426
Additions/Adjustments	1,252	2,444
Payments	(867)	(2,116)
Ending Balance	$ 1,139	$ 754