Note 14 - Stock-Based Compensation (Details) - Stock Options Outstanding (USD $)	12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012	Mar. 27, 2011	Mar. 28, 2010
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number Outstanding (in Shares)	7,213,848	6,212,333	6,345,307		5,729,464
Weighted Average Remaining Contractual Terms (in years)	5 years 7 days	5 years 14 days	4 years 244 days	4 years 270 days
Weighted Average Exercise Price per Share	$ 8.98	$ 7.48	$ 7.23		$ 7.61
Number Exercisable (in Shares)	2,369,001
Weighted Average Exercise Price per Share	$ 7.54
Range One [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	$ 5.44
Range of Exercise Prices	$ 6.43
Number Outstanding (in Shares)	2,010,296
Weighted Average Remaining Contractual Terms (in years)	4 years
Weighted Average Exercise Price per Share	$ 6.27
Number Exercisable (in Shares)	1,184,735
Weighted Average Exercise Price per Share	$ 6.25
Range Two [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	$ 6.60
Range of Exercise Prices	$ 8.07
Number Outstanding (in Shares)	1,577,634
Weighted Average Remaining Contractual Terms (in years)	4 years 124 days
Weighted Average Exercise Price per Share	$ 7.62
Number Exercisable (in Shares)	597,423
Weighted Average Exercise Price per Share	$ 7.46
Range Three [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	$ 8.16
Range of Exercise Prices	$ 10.80
Number Outstanding (in Shares)	1,764,751
Weighted Average Remaining Contractual Terms (in years)	5 years 164 days
Weighted Average Exercise Price per Share	$ 9.56
Number Exercisable (in Shares)	387,376
Weighted Average Exercise Price per Share	$ 8.90
Range Four [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	$ 11.23
Range of Exercise Prices	$ 13.36
Number Outstanding (in Shares)	1,451,567
Weighted Average Remaining Contractual Terms (in years)	6 years 142 days
Weighted Average Exercise Price per Share	$ 12.22
Number Exercisable (in Shares)	136,867
Weighted Average Exercise Price per Share	$ 12.32
Range Five [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	$ 13.54
Range of Exercise Prices	$ 15.67
Number Outstanding (in Shares)	409,600
Weighted Average Remaining Contractual Terms (in years)	6 years 7 days
Weighted Average Exercise Price per Share	$ 13.59
Number Exercisable (in Shares)	62,600
Weighted Average Exercise Price per Share	$ 13.84