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Property and Equipment, Net - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |  | 6 Months Ended | 3 Months Ended |  |  | 0 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended |  | 0 Months Ended
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Jun. 28, 2014 | Jun. 29, 2013 | Jun. 28, 2014 | Jun. 29, 2013 | Dec. 28, 2013 | Jun. 28, 2014 Facility subject to capital lease [Member] | Jun. 29, 2013 Computer software (purchased and developed) [Member] | Jun. 28, 2014 Philippines [Member] | Dec. 28, 2013 Philippines [Member] | Apr. 17, 2013 LaSalle, Illinois Facility [Member] | Apr. 30, 2013 LaSalle, Illinois Facility [Member] | Jun. 28, 2014 LaSalle, Illinois Facility [Member] | Jun. 29, 2013 LaSalle, Illinois Facility [Member] | Jun. 28, 2014 LaSalle, Illinois Facility [Member] | Jun. 29, 2013 LaSalle, Illinois Facility [Member] | Apr. 17, 2013 LaSalle, Illinois Facility [Member] | Apr. 17, 2013 LaSalle, Illinois Facility [Member] Whitney Automotive Group (WAG) [Member]
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization expense | $ 2,252 | $ 3,626 | $ 4,620 | $ 7,264 |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization expense related to La Salle, Illinois facility |  |  |  |  |  |  |  |  |  |  |  | 119 | 79 | 238 | 79 |  |
Impairment loss on property and equipment | 0 | 4,832 | 0 | 4,832 |  |  | 4,832 |  |  |  |  |  |  |  |  |  |
Fair values discount rate |  | 14.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair values royalty rate |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from sale of La Salle, Illinois facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,750
Net proceeds from sale of La Salle, Illinois facility |  |  | 0 | 9,584 |  |  |  |  |  |  |  |  |  |  |  |  | 9,507
Period of lease under sale and lease back transaction |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 years |  |  |
Execution of the lease terminate date |  |  |  |  |  |  |  |  |  |  |  |  |  | Apr. 30, 2033 |  |  |
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 |
Excess of net proceeds over the net carrying value of capital leased asset under sale and lease back | 376 |  | 376 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property and equipment, gross carrying value | 85,073 |  | 85,073 |  | 82,207 | 9,507 |  |  |  |  |  |  |  |  |  |  |
Property and equipment, accumulated depreciation | 67,137 |  | 67,137 |  | 62,544 | 554 |  |  |  |  |  |  |  |  |  |  |
Property and equipment, net | $ 17,936 |  | $ 17,936 |  | $ 19,663 | $ 8,953 |  | $ 349 | $ 508 |  |  |  |  |  |  |  |
Estimated useful life of property and equipment |  |  | 20 years |  |  | 20 years |  |  |  |  |  |  |  |  |  |  |

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