Note 15 - Operating Data (Detail) - Geographic information about the Company's sales and long-lived assets (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 26, 2011	Dec. 25, 2010	Sep. 25, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 26, 2010
Net Sales
Sales	$ 70,005	$ 64,540	$ 62,219	$ 63,384	$ 71,249	$ 58,763	$ 57,290	$ 57,539	$ 260,148	$ 244,841	$ 203,662
Long-lived Assets
Long-lived assets	100,936				83,236				100,936	83,236	89,733
United States [Member]
Net Sales
Sales									142,417	136,257	101,305
Long-lived Assets
Long-lived assets	81,378				60,210				81,378	60,210	69,264
North America Other Than US [Member]
Net Sales
Sales									13,144	12,406	10,134
Long-lived Assets
Long-lived assets	464				501				464	501	651
United Kingdom [Member]
Net Sales
Sales									31,527	27,480	23,616
Long-lived Assets
Long-lived assets	4,349				3,802				4,349	3,802	3,580
Brazil [Member]
Net Sales
Sales									96,404	94,859	77,955
Long-lived Assets
Long-lived assets	11,981				15,910				11,981	15,910	14,213
Geographical Intersegment, Eliminations [Member]
Net Sales
Sales									(23,344)	(26,161)	(9,348)
Long-lived Assets
Long-lived assets	$ 2,764				$ 2,813				$ 2,764	$ 2,813	$ 2,025