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Commitments and Contingencies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |  | 0 Months Ended | 1 Months Ended | 6 Months Ended |  | 6 Months Ended |  | 6 Months Ended
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Jun. 28, 2014 | Jun. 29, 2013 | Jun. 28, 2014 | Jun. 29, 2013 | Dec. 28, 2013 | Apr. 17, 2013 LaSalle, Illinois Facility [Member] | Apr. 30, 2013 LaSalle, Illinois Facility [Member] | Jun. 28, 2014 LaSalle, Illinois Facility [Member] | Apr. 17, 2013 LaSalle, Illinois Facility [Member] | Jun. 28, 2014 Virginia [Member] | Jun. 28, 2014 Carson [Member] | Jun. 28, 2014 Ohio [Member] | Jun. 28, 2014 Philippines [Member] | Dec. 28, 2013 Philippines [Member] | Jun. 28, 2014 Facility subject to capital lease [Member]
Other Commitments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial lease term |  |  | 5 years |  |  |  |  |  |  |  |  |  | 63 months |  |
Additional lease renewal term |  |  |  |  |  |  |  |  |  | 36 months |  |  | 60 months |  |
Lease expiration date |  |  |  |  |  |  |  |  |  | Jun. 30, 2016 | Jul. 29, 2014 | Jun. 30, 2013 |  |  |
Facility rent expense | $ 612 | $ 569 | $ 1,075 | $ 1,174 |  |  |  |  |  |  |  |  |  |  |
Amounts charged from a related party | 237 | 94 | 331 | 187 |  |  |  |  |  |  |  |  |  |  |
Period of lease under sale and lease back transaction |  |  |  |  |  |  |  | 20 years |  |  |  |  |  |  |
Lease terms under sale and lease back |  |  |  |  |  |  |  | The Company's initial base annual rent is $853 for the first year ("Base Rent Amount"), after which the rental amount will increase annually on May 1 by the lesser of 1.5% or 1.25 times the change in the Consumer Price Index as published by the U.S. Department of Labor's Bureau of Labor Statistics |  |  |  |  |  |  |
Initial base annual rent for first year |  |  |  |  |  | 853 | 853 |  |  |  |  |  |  |  |
Percentage of annual increase in base rent |  |  |  |  |  | 1.50% | 1.50% |  |  |  |  |  |  |  |
Increased percentage in base rent with change in consumer price index |  |  |  |  |  |  | 1.25 |  | 1.25 |  |  |  |  |  |
Execution of the lease terminate date |  |  |  |  |  |  |  | Apr. 30, 2033 |  |  |  |  |  |  |
Excess of net proceeds over the net carrying value of capital leased asset under sale and lease back | 376 |  | 376 |  |  |  |  |  |  |  |  |  |  |  |
Property and equipment | $ 17,936 |  | $ 17,936 |  | $ 19,663 |  |  |  |  |  |  |  | $ 349 | $ 508 | $ 8,953
Estimated useful life of property and equipment |  |  | 20 years |  |  |  |  |  |  |  |  |  |  |  | 20 years

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