Employee Retirement and Profit Sharing Plans (Fair value measurement information for the Company's major categories of defined benefit plan assets) (Details) - USD ($)
$ in Thousands

Employee Retirement and Profit Sharing Plans (Fair value measurement information for the Company's major categories of defined benefit plan assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 25, 2017	Mar. 26, 2016
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	$ 20,629	$ 20,702	$ 19,465
U.S. Companies Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	8,062	8,296
International Companies Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	4,186	3,839
U.S. Corporate Bonds Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	7,505	7,902
International Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	614	317
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	262	348
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	11,971	11,823
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| U.S. Companies Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	7,785	7,984
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| International Companies Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	4,186	3,839
Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	8,658	8,879
Significant Other Observable Inputs (Level 2) [Member] \| U.S. Companies Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	277	312
Significant Other Observable Inputs (Level 2) [Member] \| U.S. Corporate Bonds Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	7,505	7,902
Significant Other Observable Inputs (Level 2) [Member] \| International Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	614	317
Significant Other Observable Inputs (Level 2) [Member] \| Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	262	348
Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets
Significant Unobservable Inputs (Level 3) [Member] \| U.S. Companies Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets
Significant Unobservable Inputs (Level 3) [Member] \| International Companies Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets
Significant Unobservable Inputs (Level 3) [Member] \| U.S. Corporate Bonds Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets
Significant Unobservable Inputs (Level 3) [Member] \| International Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets
Significant Unobservable Inputs (Level 3) [Member] \| Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets