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Share Based Compensation (Details) (USD $)	12 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 26, 2011
Summary of changes in outstanding stock options
Weighted average exercise price, beginning of period	$ 22.75	$ 19.35	$ 12.96
Weighted average exercise price, granted	$ 35.19	$ 32.86	$ 31.51
Weighted average exercise price, exercised	$ 12.54	$ 14.47	$ 9.97
Weighted average exercise price, canceled	$ 29.99	$ 21.10	$ 18.22
Weighted average exercise price, end of period	$ 28.66	$ 22.75	$ 19.35
Options outstanding, beginning balance	1,851,588	2,525,678	2,342,448
Options outstanding, granted	511,600	173,075	788,027
Options outstanding, exercised	(472,709)	(816,594)	(569,063)
Canceled, options	(26,365)	(30,571)	(35,734)
Options outstanding, ending balance	1,864,114	1,851,588	2,525,678

X

- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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