Property and Equipment (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 30, 2018 |
Dec. 31, 2017 |
Dec. 25, 2016 |
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| Property, Plant and Equipment [Abstract] | |||
| Depreciation | $ 19.7 | $ 17.4 | $ 15.0 |
| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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