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Stock-Based Compensation (Tables)

12 Months Ended

Mar. 31, 2011

Schedule of Stockholders' Equity Note, Warrants or Rights

A summary of information related to the Company’s stock acquisition rights is as follows:

Years ended March 31,		Exercise period		Number of shares Initially granted				Exercise price
								Yen				U.S. dollars
2003		From June 27, 2004 to June 26, 2012			453,300			¥	7,206			$	87
2004		From June 26, 2005 to June 25, 2013			516,000				6,991				84
2005		From June 24, 2006 to June 23, 2014			528,900				11,720				141
2006		From June 22, 2007 to June 21, 2015			477,400				18,903				227
2007		From June 21, 2008 to June 20, 2016			194,200				29,611				356
2008		From July 5, 2009 to June 22, 2017			144,980				31,009				373
2009		From July 18, 2010 to June 24, 2018			147,900				16,888				203

Employee Stock Options Activity

The following table summarizes information about the activity of these stock options for the year ended 2011:

		Number of shares				Weighted average exercise price (*)								Weighted average remaining contractual life				Aggregate intrinsic value
						Yen				U.S. dollar				Years				Millions of yen				Millions of U.S. dollar
Outstanding at beginning of the year			1,370,380			¥	18,261			$	219.62
Exercised			(14,000	)			7,146				85.94
Forfeited or expired			(134,020	)			17,308				208.15
Outstanding at end of year			1,222,360				18,493				222.41				4.26			¥	0			$	0
Exercisable at end of year			1,222,360			¥	18,493			$	222.41				4.26			¥	0			$	0

* The exercise prices of the granted options were adjusted in July 2009 for the issuance of new 18 million shares.

Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used

The fair value of each option was estimated on the date of grant under the following assumptions with the binominal option-pricing model. As for fiscal 2010 and 2011, the fair value of options was not estimated because no stock options were granted.

		2009
Weighted-average grant-date fair value		¥	5,630
Risk-free rate			0.60-1.52	%
Expected volatility			46.00	%
Expected dividend yield			1.73	%

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- Definition

Employee Stock Options Activity

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- Definition

For each plan, identification of the award pricing model or other valuation method used in calculating the weighted average fair values disclosed. The model is also used to calculate the compensation expense that is shown within the balance sheet, income statement, and cash flow. Examples of valuation techniques are lattice models (binomial model), closed-form models (Black-Scholes-Merton formula), and a Monte Carlo simulation technique. Fair value is the amount at which an asset (or liability) could be bought (or incurred) or sold (or settled) in a current transaction between willing parties, that is, other than in a forced or liquidation sale. May include disclosures about the assumptions underlying application of the method selected.

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Disclosure for warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph i
-Article 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number D-98
-Paragraph 2

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 28
-Article 5

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