Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options.

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- Definition

Share based awards.

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- Definition

Share-based compensation arrangement by share based payment award, award expiration period.

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- Definition

Share based payment award option forfeitures in period.

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- Definition

Share based compensation arrangement by share based payment awards options vested in period total fair value

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64
-Subparagraph b

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph g(1)

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section F

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- Definition

As of the latest balance-sheet date presented, the total compensation cost related to outstanding, nonvested share-based compensation awards not yet recognized (will be charged against earnings as services are performed or other vesting criteria are met).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph h

+ Details

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- Definition

The weighted average period over which unrecognized share-based compensation costs are expected to be reported.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph h

+ Details

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- Definition

Description of the period of time over 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, which may be expressed in a variety of ways (for example, in years, month and year).

+ 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

+ Details

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- Definition

Share-based compensation cost during the period with respect to the award, which will be recognized in income (as well as the total recognized tax benefit) or capitalized as part of the cost of an asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph g(1)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65

+ Details

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- Definition

The maximum number of shares originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the share-based compensation plan. As stock options and equity instruments other than options are awarded to participants, the shares 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

+ Details

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- Definition

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

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- Definition

The quantity of shares issuable on stock options awarded under the plan during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(1)(d)

+ 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)

+ Details

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(1)(a)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(1)(b)

+ Details

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Data Type:	xbrli:sharesItemType
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- Definition

The number of shares newly issued during the reporting period under the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 65

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240

+ Details

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Share Based Awards (Details Textuals) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								3 Months Ended						3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Mar. 31, 2011	Oct. 31, 2005	Sep. 30, 1998	May 25, 2011 Performance Based Award [Member]	May 25, 2011 Performance Based Award [Member] Executive Officer Member	May 25, 2011 Performance Based Award [Member] Non Executive Employees [Member]	Jun. 30, 2011 Nineteen Ninety Eight Plan [Member]	Jun. 30, 2011 Two Thousand Five Stock Options Plan [Member]	Jun. 30, 2011 Employee Option [Member]	Jun. 30, 2010 Employee Option [Member]	Jun. 30, 2011 Director Options [Member]	Jun. 30, 2010 Director Options [Member]	Jun. 30, 2011 Employee Stock Option [Member]	Jun. 30, 2011 Restricted Stock Units Award [Member]	Jun. 30, 2010 Restricted Stock Units Award [Member]
Share Based Awards (Textuals) [Abstract]
Common stock reserved				2,400,000	4,000,000
Expiry date of options under 1998 Plan									10 years	10 years
Exercise of option grants	Three months from the grant date
Outstanding options under 1998 and 2005 plan	841,526		698,778						173,931	667,595
Shares available for future grants	1,556,924					300,000
Options granted under 2005 plan	229,700
Annualized forfeiture rate for employee options											3.30%	2.40%	0.00%	0.00%
Weighted-average grant date fair value of stock options	$ 26.64	$ 18.36
Maximum number of options available under the equity incentive program							150,000	150,000
Stock compensation related to the performance based award	$ 213	$ 18
Total unrecognized compensation cost															9,284	265
Stock option recognized over weighted average period															6.4	0.8
Fair value of options vested	764	936
Restricted units issued																17,146
Compensation expense	$ 956	$ 1,065														$ 103	$ 73