| **Earnings Per Share (Tables)**                                                                       | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
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| **Earnings Per Share [Abstract]**                                                                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Schedule Of Reconciliation Of Amounts Utilized In Computation Of Basic And Diluted Earnings Per Share | The following is a reconciliation of the amounts utilized in the computation of basic and diluted earnings per share (in thousands, except per share amounts):  Three Months Ended Six Months Ended March 30, 2013 March 31, 2012 March 30, 2013 March 31, 2012Basic and Diluted Earnings Per Share:       Net income$17,975 $19,958 $34,591 $37,828Basic weighted average common shares outstanding34,286 34,874 34,253 34,737Dilutive effect of share-based awards outstanding408 784 420 694Diluted weighted average shares outstanding34,694 35,658 34,673 35,431Earnings per share:       Basic$0.52 $0.57 $1.01 $1.09Diluted$0.52 $0.56 $1.00 $1.07 |

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| - Definition
Tabular disclosure of an entity's basic and diluted earnings per share calculations.
+ References
No definition available.
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