The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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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 remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Note 14. Stock Based Compensation (Detail) - Summary of Information about Stock Options Outstanding (USD $)	12 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 27, 2011	Mar. 28, 2010	Oct. 23, 2008
Number of Options Outstanding (in Shares)	6,212,333	6,345,307	5,729,464	5,345,504	1,755,691
Weighted Average Remaining Contractual Terms	5 years 14 days	4 years 244 days	4 years 270 days	5 years 138 days
Weighted Average Exercise Price per Share	$ 7.48	$ 7.23	$ 7.61	$ 8.01
Number of Options Exercisable (in Shares)	1,642,315
Weighted Average Exercise Price per Share	$ 7.54
Range One [Member]
Range of Exercise Prices Minimum	$ 5.44
Range of Exercise Prices Maximum	$ 6.43
Number of Options Outstanding (in Shares)	2,395,886
Weighted Average Remaining Contractual Terms	4 years 346 days
Weighted Average Exercise Price per Share	$ 6.23
Number of Options Exercisable (in Shares)	723,635
Weighted Average Exercise Price per Share	$ 6.15
Range Two [Member]
Range of Exercise Prices Minimum	$ 6.44
Range of Exercise Prices Maximum	$ 7.68
Number of Options Outstanding (in Shares)	1,404,367
Weighted Average Remaining Contractual Terms	4 years 160 days
Weighted Average Exercise Price per Share	$ 7.28
Number of Options Exercisable (in Shares)	443,730
Weighted Average Exercise Price per Share	$ 7.12
Range Three [Member]
Range of Exercise Prices Minimum	$ 7.70
Range of Exercise Prices Maximum	$ 8.48
Number of Options Outstanding (in Shares)	1,338,230
Weighted Average Remaining Contractual Terms	5 years 6 months
Weighted Average Exercise Price per Share	$ 8.11
Number of Options Exercisable (in Shares)	216,300
Weighted Average Exercise Price per Share	$ 8.29
Range Four [Member]
Range of Exercise Prices Minimum	$ 8.51
Range of Exercise Prices Maximum	$ 14.32
Number of Options Outstanding (in Shares)	1,073,717
Weighted Average Remaining Contractual Terms	5 years 164 days
Weighted Average Exercise Price per Share	$ 9.77
Number of Options Exercisable (in Shares)	258,517
Weighted Average Exercise Price per Share	$ 11.55
Range Five [Member]
Range of Exercise Prices Minimum	$ 15.67
Range of Exercise Prices Maximum	$ 16.00
Number of Options Outstanding (in Shares)	133
Weighted Average Remaining Contractual Terms	1 year 51 days
Weighted Average Exercise Price per Share	$ 15.67
Number of Options Exercisable (in Shares)	133
Weighted Average Exercise Price per Share	$ 15.67