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Business and Basis of Presentation (Pension Expense) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 26, 2017 | Mar. 31, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Defined contribution plan, minimum annual contributions per participating employee, percent |  | 1.00%
Defined contribution plan, maximum annual contributions per employee, percent |  | 60.00%
Defined contribution plan, employer matching contribution, percent of match |  | 65.00%
Defined contribution plan, employer matching contribution, percent of employees pay |  | 6.00%
Defined contribution plan, employers matching contribution, vesting period |  | 3 years
Defined contribution plan, cost recognized |  | $ 100
Pension plan |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Employer contribution |  | $ 6,078
Discount rate | 4.32% | 4.21%
Fleet Employees Plan |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Defined contribution plan, minimum annual contributions per participating employee, percent |  | 2.00%
Defined contribution plan, maximum annual contributions per employee, percent |  | 50.00%
Defined contribution plan, employer matching contribution, percent of match |  | 100.00%
Defined contribution plan, employer matching contribution, percent of employees pay |  | 6.00%
Defined contribution plan, cost recognized |  | $ 200

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- Definition Defined Contribution Plan, Employers Matching Contribution, Vesting Period + References No definition available. + Details
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- Definition Defined Contribution Plan, Minimum Annual Contributions Per Participating Employee, Percent + References No definition available. + Details
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- Definition Fair value of assets transferred into (out of) a defined benefit pension plan. + References No definition available. + Details
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- Definition The interest rate used to adjust for the time value of money. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + 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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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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