Stock-Based Compensation Plans (Details 1)	3 Months Ended	9 Months Ended
Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Weighted average assumptions in estimation of fair value of stock options
Risk-free interest rate	1.90%	1.40%	1.80%	0.90%
Dividend yield	2.00%	2.50%	2.20%	2.80%

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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