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Stock-Based Compensation And Stock Ownership Plans (Non-Vested Stock Activity) (Details) (Non-vested Stock [Member], USD $)
12 Months Ended
Sep. 28, 2012
Sep. 30, 2011
Non-vested Stock [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Non-vested stock, Beginning balance 472,761 325,172
Non-vested stock grants 66,312 161,825
Non-vested stock cancelled (4,360) (4,466)
Restricted stock vested (41,165) (9,770)
Non-vested stock, Ending balance 493,548 472,761
Non-vested stock, Beginning balance, Weighted Average Grant Price $ 11.86 $ 10.99
Non-vested stock grants, Weighted Average Grant Price $ 16.02 $ 13.74
Non-vested stock cancelled, Weighted Average Grant Price $ 9.12 $ 9.12
Restricted stock vested, Weighted Average Grant Price $ 17.81 $ 15.35
Non-vested stock, Ending balance, Weighted Average Grant Price $ 11.95 $ 11.86