Note 9 - Share-Based Compensation (Detail) - Stock options transactions (USD $)	3 Months Ended
	Jun. 24, 2012	Mar. 25, 2012	Jun. 26, 2011
Options outstanding at March 25, 2012 (in Shares)		622,000
Options outstanding at March 25, 2012		$ 13.21
Options outstanding at March 25, 2012	3 years 87 days	3 years 18 days
Options outstanding at March 25, 2012 (in Dollars)		$ 4,849,000
Options outstanding at June 24, 2012 (in Shares)	532,000
Options outstanding at June 24, 2012	$ 12.75
Options outstanding at June 24, 2012	3 years 87 days	3 years 18 days
Options outstanding at June 24, 2012 (in Dollars)	8,414,000
Options exercisable at June 24, 2012 (in Shares)	398,875
Options exercisable at June 24, 2012	$ 11.09
Options exercisable at June 24, 2012	3 years 3 days
Options exercisable at June 24, 2012 (in Dollars)	6,974,000
Granted (in Shares)	0
Granted	$ 0		$ 17.75
Granted	0 years
Granted	$ 0
Expired (in Shares)	0
Expired	$ 0
Expired	0 years
Expired	$ 0
Exercised (in Shares)	(90,000)
Exercised	$ 15.93
Exercised	0 years
Exercised (in Dollars)	$ 0