XML 53 R47.htm IDEA: XBRL DOCUMENT v2.3.0.15
Balance Sheet Components (Schedule Of Short-Term Investment) (Details) (USD $)
In Millions
Sep. 30, 2011
Oct. 01, 2010
Balance Sheet Components [Abstract]  
Amortized cost$ 19.2$ 0
Unrealized gain (loss)00
Fair value$ 19.2$ 0