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. 25, 2017	Mar. 26, 2016	Mar. 28, 2015
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	$ 20,702	$ 19,465	$ 20,241
U.S. Companies Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	8,296	7,800
International Companies Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	3,839	3,850
U.S. Corporate Bonds Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	7,902	6,788
US Treasury Bill [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets		374
International Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	317
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	348	653
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	11,823	11,847
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	7,984	7,623
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	3,839	3,850
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | US Treasury Bill [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets		374
Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	8,879	7,618
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	312	177
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	7,902	6,788
Significant Other Observable Inputs (Level 2) [Member] | International Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value measurement of defined benefit plan assets	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	348	653
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] | US Treasury Bill [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