STOCK OPTIONS (Detail) - Summary of stock option activity (USD $)	3 Months Ended
Dec. 29, 2012
Outstanding, September 29, 2012	648,100
Outstanding, September 29, 2012 (in Dollars per share)	$ 19.56
Outstanding, September 29, 2012	6 years 6 months
Options:
Granted
Exercised
Canceled or expired	(8,500)
Canceled or expired (in Dollars per share)	$ 13.71
Outstanding and expected to vest, December 29, 2012	639,600
Outstanding and expected to vest, December 29, 2012 (in Dollars per share)	$ 19.59
Outstanding and expected to vest, December 29, 2012	6 years 3 months
Outstanding and expected to vest, December 29, 2012 (in Dollars)	$ 1,436,666
Exercisable, December 29, 2012	396,600
Exercisable, December 29, 2012 (in Dollars per share)	$ 22.83
Exercisable, December 29, 2012	4 years 3 months
Exercisable, December 29, 2012 (in Dollars)	$ 810,641

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Gross number of share options (or share units) granted during the period.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Number of share options (or share units) exercised during the current period.

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