Earnings Per Common Share (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015
Earnings Per Common Share [Abstract]
Net income	$ 2,998	$ 11,706	$ 14,772	$ 25,492
Weighted average common shares outstanding	14,756	14,986	14,808	15,047
Dilutive potential common shares	95	169	117	165
Weighted average dilutive common shares outstanding	14,851	15,155	14,925	15,212
Earnings per share, Basic	$ 0.20	$ 0.78	$ 1.00	$ 1.69
Earnings per share, Diluted	$ 0.20	$ 0.77	$ 0.99	$ 1.68
Antidilutive securities excluded from computation of earnings per share, Amount	729	175	627	148

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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