Employee Retirement and Profit Sharing Plans (Weighted average assumptions used to determine net periodic pension costs) (Details)	12 Months Ended
Mar. 30, 2019	Mar. 31, 2018	Mar. 25, 2017
Employee Retirement and Profit Sharing Plans [Abstract]
Discount rate	3.89%	3.98%	3.83%
Expected long-term return on assets	7.00%	7.00%	7.00%

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

Name:	us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration