v2.3.0.11
Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 25, 2011
Jun. 26, 2010
Jun. 25, 2011
Jun. 26, 2010
Sep. 25, 2010
Income Taxes          
Effective tax rate 18.50% 40.00% 30.30% 36.90%  
Provision to return adjustments and additional reserve       $ 2.6  
Reversal of reserves 8.2   8.2 2.1  
Net deferred tax liabilities 930.5   930.5   882.8
Unrecognized tax benefits, including interest 24.0   24.0    
Income tax, interest accrued     1.1    
Income tax, penalties accrued     0    
Income tax holiday expiration date     2015    
Payment to settle audit     $ 7.6