Note 12 - Stock-based Compensation (Details) - Summary of Stock Option Transactions - USD ($)	3 Months Ended	12 Months Ended
	Jun. 28, 2015	Mar. 29, 2015
Summary of Stock Option Transactions [Abstract]
Outstanding	7,414,502	7,609,622
Weighted average exercise price (in Dollars per share)	$ 8.80	$ 8.77
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	4 years 229 days	4 years 313 days
Aggregate intrinsic value (in Dollars)	$ 13,116	$ 14,377
In-the-money options vested and exercisable	2,995	2,850
Granted	85,500
Granted (in Dollars per share)	$ 10.11
Exercised	(145,122)
Exercised (in Dollars per share)	$ 7.66
Cancelled	(5,555)
Cancelled (in Dollars per share)	$ 12.71
Forfeited	(129,943)
Forfeited (in Dollars per share)	$ 8.84
Vested and expected to vest, June 28, 2015	6,946,640
Vested and expected to vest, June 28, 2015 (in Dollars per share)	$ 8.72
Vested and expected to vest, June 28, 2015	4 years 200 days
Vested and expected to vest, June 28, 2015 (in Dollars)	$ 12,749
Vested and exercisable, June 28, 2015	3,552,324
Vested and exercisable, June 28, 2015 (in Dollars per share)	$ 7.86
Vested and exercisable, June 28, 2015	3 years 262 days
Vested and exercisable, June 28, 2015 (in Dollars)	$ 9,163