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Stockholders' Equity and Stock Compensation Plans (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2013
Jul. 01, 2012
Jun. 30, 2013
Jul. 01, 2012
Stockholders' Equity and Stock Compensation Plans        
Stock-based compensation expense $ 2.8 $ 2.5 $ 7.6 $ 8.2
Options granted (in shares) 0   279,075  
Restricted stock award        
Exercise price of stock options granted (in dollars per share)     $ 24.26  
Weighted-average fair value of stock options granted (in dollars per share)     $ 8.74  
Performance-based restricted stock | Non-employee directors and executive officers
       
Restricted stock award        
Granted (in shares)     108,350  
Granted, fair value (in dollars per share)     $ 24.26  
Vesting period     3 years  
Time-based restricted stock units
       
Restricted stock award        
Granted (in shares)     226,655  
Vesting period     4 years  
Time-based restricted stock units | Minimum
       
Restricted stock award        
Granted, fair value (in dollars per share)     $ 24.26  
Time-based restricted stock units | Maximum
       
Restricted stock award        
Granted, fair value (in dollars per share)     $ 29.28  
Time-based restricted stock units | Non-employee directors, executive officers and employees
       
Restricted stock award        
Granted (in shares) 0