Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Additional Information (Detail)

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Borrowings - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 1 Months Ended 9 Months Ended
Apr. 30, 2012
Sep. 28, 2013
Aug. 02, 2013
Line of Credit Facility [Line Items]      
LIBOR based interest rate   1.94%  
Prime based rate   3.00%  
Cash dominion period triggered during the preceding consecutive days   60 days  
Principal payment 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%  
Total capital leases payable   9,843  
Principal [Member]
      
Line of Credit Facility [Line Items]      
LIBOR based interest rate, principal   6,000  
Prime Based Rate Principal   2,299  
JPMorgan Chase Bank [Member]
      
Line of Credit Facility [Line Items]      
Credit Facility limit 40,000    
Line of credit facility maturity date Apr. 26, 2017    
Amended revolving commitment in terms of aggregate principal amount     20,000
Minimum revolving commitment upon fulfillment of certain condition     40,000
Unused credit commitment fee   0.20%  
Excess availability under credit facility   9,567  
Maximum fixed coverage ratio trigger   6,000  
Consolidated fixed charge coverage ratio   1.00%  
JPMorgan Chase Bank [Member] | Revolving Line of Credit Facility [Member]
      
Line of Credit Facility [Line Items]      
Outstanding revolving loan balance   8,299  
JPMorgan Chase Bank [Member] | Minimum [Member]
      
Line of Credit Facility [Line Items]      
Applicable margin for LIBOR-based interest rate/ Applicable margin for Alternate base rate   0.50%  
Increase or decrease to the applicable margin 0.25%    
Cash dominion period trigger amount of excess availability   6,000  
JPMorgan Chase Bank [Member] | Maximum [Member]
      
Line of Credit Facility [Line Items]      
Applicable margin for LIBOR-based interest rate/ Applicable margin for Alternate base rate   1.50%  
Increase or decrease to the applicable margin 0.25%    
Cash dominion period exit amount of excess availability   7,000  
JPMorgan Chase Bank [Member] | Maximum [Member] | Series A Convertible Preferred Stock [Member]
      
Line of Credit Facility [Line Items]      
Cash dividends   $ 400