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Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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Mar. 31, 2018 | Mar. 25, 2017 | Mar. 26, 2016
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of intangible assets | $ 5.0 | $ 5.1 | $ 3.8
Customer Lists [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted average useful lives, in years | 10 years |  |
Trade Names [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted average useful lives, in years | 14 years |  |
Favorable Leases [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted average useful lives, in years | 14 years |  |
Franchise Agreements [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted average useful lives, in years | 13 years |  |
Other Intangible Assets [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Weighted average useful lives, in years | 5 years |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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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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