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Shareholders' Equity - Employee Stock Purchase Plan - Additional Information (Detail)
0 Months Ended 9 Months Ended
Jul. 02, 2013
Jun. 30, 2013
Nov. 01, 2014
Nov. 02, 2013
Mar. 20, 2014
Mar. 19, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     0 10,375    
Employee Stock Purchase Plan (“ESPP”) [Member]
           
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of discount in purchasing common stock from fair market value under ESPP       10.00%    
Purchasing period of stock under ESPP 1 year 6 months        
Period of service for eligibility in the ESPP       3 months    
Number of authorized shares         2,500,000 2,100,000
Share issued under ESPP     174,335 149,398