Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity and Share-Based Compensation - Additional Information 2 (Detail)

v2.4.0.8
Stockholders' Equity and Share-Based Compensation - Additional Information 2 (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended
Jun. 28, 2014
Jun. 29, 2013
Jun. 28, 2014
Jun. 29, 2013
Jun. 28, 2014
Minimum [Member]
Jun. 28, 2014
Maximum [Member]
Jun. 28, 2014
Restricted stock units [Member]
Jun. 28, 2014
Restricted stock units [Member]
Apr. 03, 2014
Restricted stock units [Member]
Feb. 14, 2014
Restricted stock units [Member]
Feb. 14, 2014
Restricted stock units [Member]
Minimum [Member]
Feb. 14, 2014
Restricted stock units [Member]
Maximum [Member]
Jun. 28, 2014
2006 Equity Incentive Plan [Member]
Jun. 28, 2014
2007 Omnibus Plan [Member]
Jun. 28, 2014
2007 Omnibus Plan [Member]
Minimum [Member]
Jun. 28, 2014
2007 Omnibus Plan [Member]
Maximum [Member]
Apr. 03, 2014
2007 Omnibus Plan [Member]
Restricted stock units [Member]
Feb. 14, 2014
2007 Omnibus Plan [Member]
Restricted stock units [Member]
Jun. 28, 2014
2007 Omnibus Plan [Member]
Restricted stock units [Member]
Feb. 14, 2014
2007 Omnibus Plan [Member]
Time-based RSUs [Member]
Feb. 14, 2014
2007 Omnibus Plan [Member]
Performance-based RSUs [Member]
Jun. 28, 2014
2007 New Employee Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                            
Common stock authorized                           2,400               2,000
Maximum number of shares authorized to issued under condition one                           1,500                
Maximum percentage of shares authorized to issued under condition one                           5.00%                
Expiration period                           10 years               10 years
Option grant vesting period         3 years 4 years               4 years 1 year 2 years           4 years
Exercise price of option grants                           100.00%               100.00%
Shares available for future grants                         0 957               1,552
Weighted-average fair value of options granted     $ 1.33 $ 0.80                                    
Intrinsic value of the exercised options $ 126 $ 4 $ 126 $ 4                                    
Unrecognized share-based compensation expense 2,109   2,109                                      
Weighted-average period of unrecognized share-based compensation expense     3 years 1 month 28 days         1 year 1 month 6 days                            
RSUs granted                                 310 699 1,009 732 277  
RSUS per share                 $ 2.93 $ 2.03                        
Compensation expense, requisite service period                     1 year 2 years                    
Compensation expense 629 341 1,005 750     388 545                            
Unrecognized compensation expense             $ 1,674 $ 1,674