Represents the minimum price as a percentage of the fair market value, at which options will be granted.

No definition available.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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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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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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

+ References

No definition available.

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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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Compensation Expense (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended					0 Months Ended
	Mar. 31, 2014 Employee Stock Option	Mar. 31, 2013 Employee Stock Option	Mar. 31, 2012 Employee Stock Option	Mar. 31, 2014 Employee Stock Option Minimum	Mar. 31, 2014 Employee Stock Option Maximum	Jul. 26, 2011 Stock Compensation Plan	Mar. 31, 2014 Stock Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized						6,500
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized							41,500
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant							9,740
Share-based Compensation Arrangement by Share-based Payment Award Granted Price as Percentage of Fair Market Value Minimum	100.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				4 years 0 days	5 years 0 days
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				8 years 0 days	10 years 0 days
Allocated Share-based Compensation Expense	$ 13,530	$ 10,979	$ 14,076
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense	$ 5,244	$ 4,293	$ 5,539