Note 10 - Common Stock Repurchases (Details) - Stock Repurchase Activities $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 29, 2015 USD ($) $ / shares shares
Stock Repurchase Activities [Abstract]
As of March 30, 2014 | shares	10,319
As of March 30, 2014	$ 9.42
As of March 30, 2014 | $	$ 97,189
As of March 29, 2015 | shares	11,110
As of March 29, 2015	$ 9.47
As of March 29, 2015 | $	$ 105,188
Repurchases, Total number of Shares Purchased | shares	273
Repurchases, Average Price Paid Per Share (or Unit)	$ 10.98
Repurchases, Amount Paid for Purchase | $	$ 3,000