Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Apr. 02, 2011	Apr. 03, 2010	Mar. 28, 2009
Components of comprehensive income:
Tax on change in net unrealized loss on available-for- sale securities	$ 2,176	$ 9,115	$ 9,272
Cash dividends per share	$ 0.64	$ 0.60	$ 0.56
Rate of equity components of debentures	2.625%
Additional Paid-in Capital
Components of comprehensive income:
Rate of equity components of debentures	2.625%
Retained Earnings
Components of comprehensive income:
Cash dividends per share	$ 0.64	$ 0.60	$ 0.56
Accumulated Other Comprehensive Income (Loss)
Components of comprehensive income:
Tax on change in net unrealized loss on available-for- sale securities	$ 2,176	$ 9,115	$ 9,272

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

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- Definition

Interest rate stated in the contractual debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

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- Definition

Tax effect on gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 38
-Subparagraph c(3)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 25

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