Related Parties - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended		1 Months Ended	3 Months Ended
	Nov. 14, 2012	Nov. 21, 2012	Nov. 23, 2011	Nov. 22, 2006 New Lease Agreement Leases	Nov. 21, 2012 New Lease Agreement	Nov. 23, 2011 New Lease Agreement	Nov. 21, 2012 2014 New Lease Agreement	Nov. 21, 2012 Affiliated Cost Incurred	Nov. 23, 2011 Affiliated Cost Incurred
Related Party Transaction [Line Items]
Total costs under the amended and restated master sales agreement of custom-fabricated and refurbished equipment								$ 0	$ 63,000
Obligated rent payment per square foot	35.00				20.00		22.00
Lease agreement primary term	8 years			12 years
Lease extension option				2
Lease term additional renewal option				5 years
Lease payment					$ 56,000	$ 77,000
Rent lease payment percentage		1.90%	2.60%