Restatement (Details Textuals) (USD $) In Millions	Aug. 26, 2011	Mar. 01, 2008	Feb. 29, 2004
Restatement (Textuals) [Abstract]
The amount of the understatement of the deferred tax asset	$ 14.8
The amount of understatement of net income, total assets and total shareholders' equity			$ 14.8
Additional deferred tax asset		14.8