Employee Benefit Plans - Additional Information (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified |
0 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | ||||||||||||||||||
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Dec. 28, 2013
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
Non Employee Directors [Member]
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Oct. 28, 2013
Restricted Stock [Member]
Non Employee Directors [Member]
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Dec. 31, 2013
Stock Compensation Plans [Member]
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Dec. 31, 2012
Stock Compensation Plans [Member]
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Dec. 31, 2011
Stock Compensation Plans [Member]
|
Dec. 31, 2013
Stock Compensation Plans [Member]
2007 Stock Plan [Member]
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Dec. 31, 2013
Stock Compensation Plans [Member]
2011 Stock Plan [Member]
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Dec. 31, 2013
Stock Compensation Plans [Member]
Maximum [Member]
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Dec. 31, 2013
Stock Compensation Plans [Member]
Minimum [Member]
|
Dec. 31, 2013
Health Insurance Plan [Member]
|
Dec. 31, 2012
Health Insurance Plan [Member]
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Dec. 31, 2011
Health Insurance Plan [Member]
|
Dec. 31, 2013
Retirement Savings Plan [Member]
|
Dec. 31, 2012
Retirement Savings Plan [Member]
|
Dec. 31, 2011
Retirement Savings Plan [Member]
|
Dec. 31, 2013
Annual Incentive Plan [Member]
Performance
|
Dec. 31, 2012
Annual Incentive Plan [Member]
|
Dec. 31, 2011
Annual Incentive Plan [Member]
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||||||||||||
Minimum service period required | 1 month | 1 year | ||||||||||||||||||||
Employee matching contribution | 100.00% | 100.00% | 100.00% | |||||||||||||||||||
Employee matching contribution | 50.00% | 50.00% | 50.00% | |||||||||||||||||||
Matching contribution of gross income | 3.00% | 3.00% | 3.00% | |||||||||||||||||||
Matching contribution of gross income | 2.00% | 2.00% | 2.00% | |||||||||||||||||||
Expense of employee related plan | $ 39,868 | $ 33,492 | $ 25,679 | $ 2,724 | $ 1,907 | $ 1,432 | $ 416 | $ 367 | $ 271 | |||||||||||||
Number of performance metrics | 5 | |||||||||||||||||||||
Bonuses charged to operating expenses | 597 | 545 | 660 | |||||||||||||||||||
Common stock reserved for issuance pursuant to grants | 1,987,412 | |||||||||||||||||||||
Fair value of grants | 100.00% | 100.00% | ||||||||||||||||||||
Option vested | 20.00% | |||||||||||||||||||||
Vested option granted under the plan on the anniversary date of the grant | 20.00% | 20.00% | ||||||||||||||||||||
Vesting period (in years) | 5 years | 5 years | 4 years | 5 years | ||||||||||||||||||
Option grants during the period | 127,000 | 310,000 | 0 | |||||||||||||||||||
Exercise period of option | 10 years | 10 years | 9 years | |||||||||||||||||||
Shares available for grant | 946,000 | 447,790 | 498,128 | |||||||||||||||||||
Stock-based compensation expense | 702 | 542 | 191 | |||||||||||||||||||
Unrecognized stock-based compensation expense | 2,950 | |||||||||||||||||||||
Period of recognition of stock-based compensation expense | 3 years 9 months 18 days | |||||||||||||||||||||
Income tax benefit, Total | 258 | 211 | 74 | |||||||||||||||||||
Weighted-average remaining contractual life, options | 5 years 7 months 6 days | 5 years 7 months 6 days | ||||||||||||||||||||
Total intrinsic value of options exercised | 2,448 | 0 | ||||||||||||||||||||
Non-employee directors shares of restricted common stock | 869 | 1,200 | ||||||||||||||||||||
Equity restricted awards compensation for annual service to each of non-employee directors | 4,484,000 | |||||||||||||||||||||
Minimum Income tax obligations Forgone by Directors | 40.00% | |||||||||||||||||||||
Restricted stock awards vesting period | 5 days | |||||||||||||||||||||
Incremental director compensation expense | $ 1,200 |