Leases - Additional Information (Details) - USD ($) |
6 Months Ended | |
|---|---|---|
Jun. 26, 2015 |
Jun. 28, 2014 |
|
| Capital Leased Assets [Line Items] | ||
| Capital lease obligations entered into | $ 0 | $ 200,000 |
| Depreciation on capital leases | $ 200,000 | $ 300,000 |
| Minimum | Capital Lease | ||
| Capital Leased Assets [Line Items] | ||
| Capital lease term | 24 months | |
| Maximum | Capital Lease | ||
| Capital Leased Assets [Line Items] | ||
| Capital lease term | 60 months | |