Income Taxes (Summary Of Income Before Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2012	Mar. 26, 2011	Mar. 27, 2010
Income Taxes [Line Items]
Income before income taxes	$ 79,983	$ 84,214	$ 26,683
U.S [Member]
Income Taxes [Line Items]
Income before income taxes	79,425	83,569	24,289
Non-U.S [Member]
Income Taxes [Line Items]
Income before income taxes	$ 558	$ 645	$ 2,394

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Subparagraph 1(i)

-Article 4

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration