Postretirement Benefit Plans (Schedule of Fair Value of Financial Instruments - Pension) (Details) - USD ($) $ in Thousands	Mar. 26, 2016	Mar. 28, 2015
Defined Benefit Plan Disclosure [Line Items]
Assets, Fair Value Disclosure	$ 25,688	$ 26,735
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Assets, Fair Value Disclosure	42	1,160
Pension Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Assets, Fair Value Disclosure	25,646	25,575
Quoted Prices In Active Markets For Identical Assets Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Assets, Fair Value Disclosure	42	1,160
Quoted Prices In Active Markets For Identical Assets Level 1 [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Assets, Fair Value Disclosure	42	1,160
Significant Other Observable Inputs Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Assets, Fair Value Disclosure	25,646	25,575
Significant Other Observable Inputs Level 2 [Member] | Pension Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Assets, Fair Value Disclosure	$ 25,646	$ 25,575