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Stock Ownership (Details) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2012 Treasury Stock [Member] | Mar. 26, 2011 Treasury Stock [Member] | Mar. 27, 2010 Treasury Stock [Member] | Mar. 31, 2012 Common Stock [Member] | Mar. 26, 2011 Common Stock [Member] | Mar. 27, 2010 Common Stock [Member] | Mar. 31, 2012 Class C Convertible Preferred Stock [Member] | Mar. 26, 2011 Class C Convertible Preferred Stock [Member] | Mar. 27, 2010 Class C Convertible Preferred Stock [Member] | Mar. 28, 2009 Class C Convertible Preferred Stock [Member]
Summary of the changes in the number of shares of common stock, Class C preferred stock and treasury stock |  |  |  |  |  |  |  |  |  |
Shares Issued, Beginning balance | 5,577,984 | 3,682,429 | 3,580,829 | 36,038,664 | 23,646,460 | 22,999,313 | 32,500 | 32,500 | 32,500 | 32,500
Shares issued in connection with three-for-two stock split |  | 1,859,328 |  |  | 11,983,603 |  |  |  |  |
Stock options exercised | 390,007 | 36,227 | 101,600 | 816,594 | 408,601 | 647,147 |  |  |  |
Shares Issued, Ending balance | 5,967,991 | 5,577,984 | 3,682,429 | 36,855,258 | 36,038,664 | 23,646,460 | 32,500 | 32,500 | 32,500 | 32,500

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- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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