XML 80 R36.htm IDEA: XBRL DOCUMENT v2.3.0.15
Basis of Presentation (Details) (USD $)
In Millions
3 Months Ended6 Months Ended12 Months Ended
Oct. 01, 2011
Oct. 02, 2010
Oct. 01, 2011
Mar. 31, 2012
Apr. 02, 2011
Basis of Presentation (Textuals) [Abstract]     
Fiscal year period range13-week period13-week period 52-week period52-week period
Effect of change in accounting principle on pretax income  $ 1.0  
Effect of change in accounting principle on net income  $ 0.6