Stock-Based Compensation - Additional Information (Detail) $ in Millions | 9 Months Ended |
Sep. 27, 2016USD ($)shares |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Number of shares charged to reserve per granted share | shares | 1 |
Share basis for number shares charged to reserve | shares | 1 |
Expiration term of stock options | 10 years |
Minimum | Cliff Vesting Third Anniversary | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
RSUs vesting percentage | 0.00% |
Maximum | Cliff Vesting Third Anniversary | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
RSUs vesting percentage | 150.00% |
Stock Options | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Expiration term of stock options | 10 years |
Unrecognized stock-based compensation expense | $ | $ 4.3 |
Unrecognized stock-based compensation expenses recognition period (in years) | 5 years |
Stock Options | Cliff Vesting | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Vesting period (in years) | 5 years |
Stock Options | Cliff Vesting Third Anniversary | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Stock options vesting percentage | 33.00% |
Stock Options | Cliff Vesting Fifth Anniversary | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Stock options vesting percentage | 67.00% |
Stock Options | Minimum | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Vesting period (in years) | 3 years |
Stock Options | Maximum | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Vesting period (in years) | 5 years |
Time-Vested Restricted Stock Units | Cliff Vesting | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Vesting period (in years) | 5 years |
Time-Vested Restricted Stock Units | Cliff Vesting Third Anniversary | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Stock options vesting percentage | 33.00% |
Time-Vested Restricted Stock Units | Cliff Vesting Fifth Anniversary | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Stock options vesting percentage | 67.00% |
Time-Vested Restricted Stock Units | Minimum | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Vesting period (in years) | 3 years |
Time-Vested Restricted Stock Units | Maximum | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Vesting period (in years) | 5 years |
Performance-Based Restricted Stock Units | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Unrecognized stock-based compensation expense | $ | $ 1 |
Unrecognized stock-based compensation expenses recognition period (in years) | 3 years |
Restricted Stock Units (RSUs) | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Number of shares charged to reserve per granted share | shares | 1.5 |
Time-Based Restricted Stock Units | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Unrecognized stock-based compensation expense | $ | $ 9 |
Unrecognized stock-based compensation expenses recognition period (in years) | 5 years |