Common stock granted to non-employee director.

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- Definition

Expiry period of option.

+ References

No definition available.

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- Definition

Name of plan.

+ References

No definition available.

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- Definition

Overstated share based compensation expense.

+ References

No definition available.

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- Definition

Prior number of common stock authorized for issuance.

+ References

No definition available.

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- Definition

Reduction in number of common stock authorized for issuance.

+ References

No definition available.

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- Definition

Restricted stock unit vesting rate.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award options grants term.

+ References

No definition available.

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- Details

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- Definition

Stock option vesting rate.

+ References

No definition available.

+ Details

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- Definition

Reduction to additional paid in capital resulting from dividends legally declared or paid in excess of the balance in retained earnings. Such dividends may also be referred to as liquidating distributions or returns of capital.

+ 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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

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- Definition

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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- Definition

Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

+ References

No definition available.

+ Details

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- Definition

Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(c)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

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- Definition

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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

+ References

+ Details

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

+ References

No definition available.

+ Details

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Share-Based Plans (Details Textual) (USD $)	12 Months Ended
Share-Based Plans (Details Textual) (USD $)	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010	Mar. 31, 2009	Mar. 31, 2008	Mar. 31, 2007
Stock-Based Compensation (Textual) [Abstract]
Share-based compensation expense	$ 1,783,000	$ 1,683,000	$ 1,938,000
Retained earnings	1,727,000
Share-based compensation expense overstated		128,000	184,000	339,000	351,000	337,000	388,000
Weighted Average Fair Value, Granted	$ 14.78	$ 16.33	$ 16.75
Fair value of stock options vested	544,000	775,000	1,177,000
Fair value of restricted stock units vested	797,000	298,000	0
Restricted Stock Units (RSUs) [Member]
Stock-Based Compensation (Textual) [Abstract]
Share-based compensation expense	926,000	814,000	822,000
Recognized tax benefit	335,000	293,000	298,000
Total unrecognized compensation cost related to non-vested RSUs	1,491,000
Equity incentive plan recognized over a weighted average period	2 years 1 month 6 days
Stock Option [Member]
Stock-Based Compensation (Textual) [Abstract]
Share-based compensation expense	857,000	869,000	1,116,000
Recognized tax benefit	310,000	313,000	404,000
Weighted average fair value of stock options granted	$ 7.30	$ 6.87	$ 6.89
Intrinsic value of options exercised	25,000	174,000	343,000
Total unrecognized compensation cost related to non-vested stock option awards	$ 1,237,000
Equity incentive plan recognized over a weighted average period	2 years 1 month 6 days
2004 Equity Compensation Plan [Member]
Stock-Based Compensation (Textual) [Abstract]
Stock option plan	2004 plan
Term of grant	Not more than 10 years
Percentage of stock option exercisable per year	25.00%
Outstanding RSUs vesting percentage	50.00%
Reduction in number of shares of Company's common stock authorized for issuance	500,000
Issue of common stock under ESOP	1,500,000
Company's common stock could be issued as grants	2,000,000
Shares available for grant	817,008
2011 Stock Option Plan for Non-Employee Directors [Member]
Stock-Based Compensation (Textual) [Abstract]
Stock option plan	2011 plan
Percentage of stock option exercisable per year	25.00%
Issue of common stock under ESOP	150,000
Shares available for grant	114,000
Company's common stock granted to non-employee director	4,000
Expiry period of option	5 years