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Borrowings - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 0 Months Ended | 6 Months Ended | 0 Months Ended | 6 Months Ended |  |  | 1 Months Ended | 6 Months Ended
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Jun. 28, 2014 | Jun. 28, 2014 | Jun. 28, 2014 Principal [Member] | Jun. 28, 2014 JPMorgan Chase Bank [Member] | Jun. 28, 2014 JPMorgan Chase Bank [Member] Revolving Line of Credit Facility [Member] | Aug. 31, 2013 JPMorgan Chase Bank [Member] Revolving Line of Credit Facility [Member] | Apr. 30, 2012 JPMorgan Chase Bank [Member] Revolving Line of Credit Facility [Member] | Apr. 30, 2012 JPMorgan Chase Bank [Member] Minimum [Member] | Jun. 28, 2014 JPMorgan Chase Bank [Member] Minimum [Member] | Jun. 28, 2014 JPMorgan Chase Bank [Member] Maximum [Member] | Jun. 28, 2014 JPMorgan Chase Bank [Member] Maximum [Member] Series A Convertible Preferred Stock [Member]
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Credit facility limit |  |  |  |  |  |  | $ 40,000 |  |  |  |
Line of credit facility maturity date |  |  |  |  | Apr. 26, 2017 |  |  |  |  |  |
Outstanding revolving loan balance |  |  |  |  | 0 |  |  |  |  |  |
Amended revolving commitment |  |  |  |  |  | 20,000 |  |  |  |  |
Maximum revolving commitment upon fulfillment of certain conditions |  |  |  |  |  | 40,000 |  |  |  |  |
Applicable margin for LIBOR-based interest rate/ Applicable margin for alternate base rate |  |  |  |  |  |  |  |  | 0.50% | 1.50% |
Increase or decrease to the applicable margin |  |  |  |  |  |  |  | 0.25% |  |  |
LIBOR based interest rate | 1.94% |  |  |  |  |  |  |  |  |  |
Prime based rate |  | 3.00% |  |  |  |  |  |  |  |  |
LIBOR based interest rate, principal |  |  | 0 |  |  |  |  |  |  |  |
Prime based rate principal |  |  | 0 |  |  |  |  |  |  |  |
Unused credit commitment fee |  |  |  | 0.20% |  |  |  |  |  |  |
Cash dominion period trigger amount of excess availability |  |  |  |  |  |  |  |  |  | 6,000 |
Cash dominion period exit amount of excess availability |  |  |  |  |  |  |  |  | 7,000 |  |
Cash dominion period triggered during the preceding consecutive days |  | 60 days |  |  |  |  |  |  |  |  |
Excess availability under credit facility |  |  |  | 13,912 |  |  |  |  |  |  |
Principal payments due |  | 0 |  |  |  |  |  |  |  |  |
Loan parties' obligations under the credit agreement, descriptions |  | The Loan Parties' obligations under the Credit Agreement are secured, subject to customary permitted liens and certain exclusions, by a perfected security interest in (a) all tangible and intangible assets and (b) all of the capital stock owned by the Loan Parties (limited, in the case of foreign subsidiaries, to 65% of the capital stock of such foreign subsidiaries). |  |  |  |  |  |  |  |  |
Limited security by foreign subsidiaries capital stock percentage |  | 65.00% |  |  |  |  |  |  |  |  |
Cash dividends |  |  |  |  |  |  |  |  |  |  | 400
Maximum fixed coverage ratio trigger |  |  |  | 6,000 |  |  |  |  |  |  |
Consolidated fixed charge coverage ratio |  |  |  | 1.00% |  |  |  |  |  |  |
Total capital leases payable |  | $ 9,643 |  |  |  |  |  |  |  |  |

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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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