XML 40 R27.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Marketable Securities (Tables) | 12 Months Ended
--- | ---
Dec. 30, 2017
Marketable Securities [Abstract] |
Schedule Of Marketable Securities | Marketable securities, as of December 30, 2017 and December 31, 2016, consisted of: ﻿ ﻿
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿ |  |  | Gross | Gross |  |
﻿(dollars in thousands) | Amortized | Unrealized | Unrealized | Fair
﻿December 30, 2017 | Cost | Holding Gains | Holding Losses | Value
﻿Available-for-sale: |  |  |  |  |  |  |  |
﻿Level 1 |  |  |  |  |  |  |  |
﻿Equity securities | $ | 1,198 | $ | 7,634 | $ | - | $ | 8,832
﻿Level 2 |  |  |  |  |  |  |  |
﻿Municipal bonds |  | 54,278 |  | 671 |  | (116) |  | 54,833
﻿ | $ | 55,476 | $ | 8,305 | $ | (116) | $ | 63,665
﻿ ﻿
﻿ |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |
﻿ |  |  | Gross | Gross |  |
﻿(dollars in thousands) | Amortized | Unrealized | Unrealized | Fair
﻿December 31, 2016 | Cost | Holding Gains | Holding Losses | Value
﻿Available-for-sale: |  |  |  |  |  |  |  |
﻿Level 1 |  |  |  |  |  |  |  |
﻿Equity securities | $ | 1,198 | $ | 8,162 | $ | - | $ | 9,360
﻿Level 2 |  |  |  |  |  |  |  |
﻿Municipal bonds |  | 57,739 |  | 531 |  | (459) |  | 57,811
﻿ | $ | 58,937 | $ | 8,693 | $ | (459) | $ | 67,171
﻿
Schedule Of Maturities Of Marketable Securities | Maturities of marketable securities classified as available-for-sale at December 30, 2017, were as follows: ﻿
﻿ |  |  |  |
﻿ |  | Amortized |  | Fair
﻿(dollars in thousands) |  | Cost |  | Value
﻿Available-for-sale: |  |  |  |
﻿Due within one year | $ | 12,535 | $ | 12,585
﻿Due after one year through five years |  | 22,421 |  | 22,655
﻿Due after five years through ten years |  | 19,322 |  | 19,593
﻿Equity securities |  | 1,198 |  | 8,832
﻿ | $ | 55,476 | $ | 63,665
﻿

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration