Stock-Based Compensation - Additional Information (Detail) (USD $)	3 Months Ended
	Dec. 28, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Management bonus accrual	$ 380,000
Cash Based Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Bonus percentage expected to pay	75.00%
Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Bonus percentage expected to pay	25.00%