Asset Retirement Obligations

12 Months Ended

Mar. 31, 2011

Asset Retirement Obligations [Abstract]

ASSET RETIREMENT OBLIGATIONS

11. ASSET RETIREMENT OBLIGATIONS

The Companies recorded the fair value of asset retirement obligations in order to recognize legal obligations associated with the removal of leasehold improvements from leased facilities and return of the property to a specified condition when the lease terminates.

A reconciliation of the beginning and ending aggregate carrying amount of the asset retirement obligation was as follows:

							Thousands of
	Millions of Yen						U.S. Dollars
	2011			2010			2011
Balance at beginning of year	¥	594		¥	443		$	7,177
Increase due to change in scope of consolidation (Note 7)					97
Accretion expense		20			11			242
Liabilities incurred		231			66			2,791
Liabilities settled		(177	)		(22	)		(2,139	)
Changes due to translation of foreign currencies		(5	)		(1	)		(60	)
Balance at end of year	¥	663		¥	594		$	8,011