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Acquisitions (Schedule Of Intangible Assets Acquired) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 25, 2017
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 4,359 | $ 19,233
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life | 9 years |
Customer Lists [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 1,425 | 9,917
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life | 7 years |
Favorable Leases [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets | $ 2,934 | 6,361
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life | 10 years |
Trade Names [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets |  | $ 2,955
Fiscal 2017 Acquisitions [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life | 14 years |
Fiscal 2017 Acquisitions [Member] | Customer Lists [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life | 13 years |
Fiscal 2017 Acquisitions [Member] | Favorable Leases [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life | 14 years |
Fiscal 2017 Acquisitions [Member] | Trade Names [Member] |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life | 17 years |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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