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- Definition

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Stock based compensation equity incentive plan.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Number of additional shares authorized for issuance under an established share-based compensation plan.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Gross 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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The excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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Price of a single share of a number of saleable stocks of a company.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Note 14. Stock Based Compensation (Detail) (USD $)	1 Months Ended	12 Months Ended				0 Months Ended		1 Months Ended	12 Months Ended					1 Months Ended		12 Months Ended		1 Months Ended	12 Months Ended
Note 14. Stock Based Compensation (Detail) (USD $)	Oct. 23, 2008	Mar. 31, 2013	Apr. 01, 2012	Mar. 27, 2011	Mar. 28, 2010	Sep. 15, 2010 Equity Incentive Plans [Member]	Mar. 31, 2013 Equity Incentive Plans [Member]	Jan. 31, 2012 Stock Options [Member] Issued To CEO [Member]	Mar. 31, 2013 Stock Options [Member] Issued To CEO [Member]	Apr. 01, 2012 Stock Options [Member] Issued To CEO [Member]	Mar. 31, 2013 Stock Options [Member]	Apr. 01, 2012 Stock Options [Member]	Mar. 27, 2011 Stock Options [Member]	Apr. 30, 2012 Restricted Stock Units (RSUs) [Member] Issued To CEO [Member]	Mar. 31, 2012 Restricted Stock Units (RSUs) [Member] Issued To CEO [Member]	Mar. 31, 2013 Restricted Stock Units (RSUs) [Member] Issued To CEO [Member]	Apr. 01, 2012 Restricted Stock Units (RSUs) [Member] Issued To CEO [Member]	Jul. 31, 2009 Restricted Stock Units (RSUs) [Member] Issued To Certain Executives [Member]	Apr. 01, 2012 Restricted Stock Units (RSUs) [Member] Issued To Certain Executives [Member]	Mar. 31, 2013 Restricted Stock Units (RSUs) [Member] 2013 Inventive Program [Member]	Mar. 31, 2013 Restricted Stock Units (RSUs) [Member]	Apr. 01, 2012 Restricted Stock Units (RSUs) [Member]	Mar. 27, 2011 Restricted Stock Units (RSUs) [Member]	Mar. 31, 2013 Bonus RSUs [Member] Issued To CEO [Member]	Apr. 01, 2012 Issued To CEO [Member]
Employee Stock Purchase Plan Percentage Of Common Stock Purchase Price		95.00%
Stock Based Compensation Equity Incentive Plan		2
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized						5,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized						8,300,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant							4,000,000
Share Price (in Dollars per share)											$ 10.50	$ 8.40	$ 6.08
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		2,540,010	3,100,595	2,113,190				480,000
Share-based Compensation (in Dollars)		$ 4,788,000	$ 3,750,000	$ 7,381,000					$ 260,000	$ 65,000						$ 448,000	$ 48,000		$ 19,000	$ 1,200,000				$ 250,000	$ 114,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period														29,000	300,000			99,000			331,894	481,650	399,183
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	2 years														3 years			3 years
Award Vesting Percentage	50.00%													50.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate		0.00%
Option Exercise Price For Tender Offer (in Dollars per share)	$ 11.00
Number Of Eligible Participants Tendered	242
Options Tendered	1,650,231
Percent Of Outstanding Options Tendered	94.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,755,691	6,212,333	6,345,307	5,729,464	5,345,504
Stock Issued During Period, Shares, Restricted Stock Award, Gross	344,020
Restricted Stock Grant Price Per Share (in Dollars per share)	$ 6.51
Share-based Goods and Nonemployee Services Transaction, Modification of Terms, Incremental Compensation Cost (in Dollars)	$ 1,200,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	2 years										2 years 292 days	2 years 292 days	2 years 146 days								2 years 6 months	3 years 73 days	1 year 292 days