Lease Financing Obligations - Future Minimum Lease Payments for Lease Operating Obligations (Detail) (Engineering design software licenses and office space [Member], USD $) In Thousands, unless otherwise specified	Dec. 30, 2012
Engineering design software licenses and office space [Member]
Operating Leased Assets [Line Items]
2013 (3 months remaining)	$ 134
2014	210
2015	105
2016	73
2017 and thereafter	91
Total minimum lease payments	$ 613