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Stockholders' Equity - Summary of Options Outstanding (Detail)
shares in Thousands
12 Months Ended
Dec. 26, 2015
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares (in shares) | shares 2,511
Weighted- Average Remaining Contractual Life 3 years 2 months 1 day
Weighted- Average Exercise Price (in usd per share) $ 7.26
Number of Shares (in shares) | shares 2,496
Weighted- Average Exercise Price (in usd per share) $ 7.25
$0.76 - $ 4.04 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price Lower Limit (in usd per share) 1.32
Exercise Price Upper Limit (in usd per share) $ 4.04
Number of Shares (in shares) | shares 432
Weighted- Average Remaining Contractual Life 7 months 28 days
Weighted- Average Exercise Price (in usd per share) $ 2.23
Number of Shares (in shares) | shares 432
Weighted- Average Exercise Price (in usd per share) $ 2.23
$6.30 - $ 7.25 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price Lower Limit (in usd per share) 6.30
Exercise Price Upper Limit (in usd per share) $ 7.25
Number of Shares (in shares) | shares 388
Weighted- Average Remaining Contractual Life 4 years 1 month 6 days
Weighted- Average Exercise Price (in usd per share) $ 6.93
Number of Shares (in shares) | shares 388
Weighted- Average Exercise Price (in usd per share) $ 6.93
$7.45 - $ 7.61 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price Lower Limit (in usd per share) 7.45
Exercise Price Upper Limit (in usd per share) $ 7.61
Number of Shares (in shares) | shares 465
Weighted- Average Remaining Contractual Life 2 years 10 months 24 days
Weighted- Average Exercise Price (in usd per share) $ 7.53
Number of Shares (in shares) | shares 465
Weighted- Average Exercise Price (in usd per share) $ 7.53
$7.68 - $ 8.19 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price Lower Limit (in usd per share) 7.68
Exercise Price Upper Limit (in usd per share) $ 8.19
Number of Shares (in shares) | shares 471
Weighted- Average Remaining Contractual Life 2 years 11 months 9 days
Weighted- Average Exercise Price (in usd per share) $ 8.11
Number of Shares (in shares) | shares 469
Weighted- Average Exercise Price (in usd per share) $ 8.12
$8.39 - $ 8.58 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price (in usd per share) $ 8.58
Number of Shares (in shares) | shares 511
Weighted- Average Remaining Contractual Life 5 years 1 month 17 days
Weighted- Average Exercise Price (in usd per share) $ 8.58
Number of Shares (in shares) | shares 511
Weighted- Average Exercise Price (in usd per share) $ 8.58
$8.85 - $ 22.36 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price Lower Limit (in usd per share) 9.02
Exercise Price Upper Limit (in usd per share) $ 22.36
Number of Shares (in shares) | shares 244
Weighted- Average Remaining Contractual Life 2 years 11 months 16 days
Weighted- Average Exercise Price (in usd per share) $ 11.72
Number of Shares (in shares) | shares 231
Weighted- Average Exercise Price (in usd per share) $ 11.88