Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 30, 2017 |
Dec. 31, 2016 |
Jan. 02, 2016 |
|
| Commitments And Contingencies [Line Items] | |||
| Total rent expense | $ 10,931 | $ 10,153 | $ 10,503 |
| Unconditional purchase obligations due in one year | $ 10,725 | ||
| Minimum employee age to partake in 401(k) | 18 years | ||
| Requisite service period to partake in 401(k) | 1 month | ||
| Employers' percentage match of employee's contribution percentage | 100.00% | ||
| Percentage of employee's gross pay that is matched by the employer | 1.00% | ||
| Employers' percentage match of employee's contribution percentage over one percent | 50.00% | ||
| Employers' maximum contribution of employee's compensation | 6.00% | ||
| Requisite service in order to cliff vest | 2 years | ||
| Contributions made by the Company | $ 1,794 | $ 1,594 | $ 1,458 |
| Buildings [Member] | |||
| Commitments And Contingencies [Line Items] | |||
| Lease expiration date | 2026 | ||
| Equipment [Member] | |||
| Commitments And Contingencies [Line Items] | |||
| Lease expiration date | 2021 | ||
| X | ||||||||||
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
|
| X | ||||||||||
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
|
| X | ||||||||||
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Commitments And Contingencies [Line Items] No definition available.
|
| X | ||||||||||
- Definition Minimum amount of service time before matching contributions will cliff vest. No definition available.
|
| X | ||||||||||
- Definition Amount of contributions made by an employer to a defined contribution plan. No definition available.
|
| X | ||||||||||
- Definition Defined Contribution Plan Employer Matching Contribution Match Percent, Exceeding Initial Match No definition available.
|
| X | ||||||||||
- Definition Percentage of emplyoee's contribution percentage of gross pay, matched by the employer. No definition available.
|
| X | ||||||||||
- Definition Defined Contribution Plan, Minimum Age Of Employee No definition available.
|
| X | ||||||||||
- Definition Defined Contribution Plan, Requisite Service Period No definition available.
|
| X | ||||||||||
- Definition Year which lease or group of leases is set to expire, in CCYY format. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|