Supplementary Information to Statements of Income (Tables)

12 Months Ended

Mar. 31, 2011

Supplementary Information to Statements of Income (Tables) [Abstract]

Summary of research and development expenses and advertising costs

							Thousands of
	Millions of yen						U.S. dollars
	2011		2010		2009		2011
Research and development expenses	¥	49,005	¥	46,449	¥	53,736	$	590,422
Advertising costs		2,627		2,417		4,678		31,651

Summary of Shipping and handling costs

							Thousands of
	Millions of yen						U.S. dollars
	2011		2010		2009		2011
Shipping and handling costs	¥	37,706	¥	25,697	¥	46,264	$	454,289

Summary of other operating income (expenses), net

										Thousands of
	Millions of yen									U.S. dollars
	2011			2010			2009			2011
Gain on sale of property	¥	2,432		¥	1,036		¥	630		$	29,301
Loss on disposal or sale of fixed assets*		(1,553	)		(2,907	)		(5,922	)		(18,711	)
Other*		(7,780	)		(8,481	)		(13,001	)		(93,735	)
Total	¥	(6,901	)	¥	(10,352	)	¥	(18,293	)	$	(83,145	)

Summary of other income (expenses), net

										Thousands of
	Millions of yen									U.S. dollars
	2011			2010			2009			2011
Interest income-
Installment receivables	¥	503		¥	1,206		¥	1,843		$	6,060
Other		2,670			3,785			5,242			32,169
Dividends		1,320			1,167			1,536			15,904
Interest expense		(6,475	)		(8,502	)		(14,576	)		(78,012	)
Net gain (loss) from sale of investment securities		(54	)		679			(3,543	)		(651	)
Exchange gain (loss), net		(4,193	)		1,066			(11,802	)		(50,518	)
Other		3,109			(1,457	)		(1,866	)		37,458
Total	¥	(3,120	)	¥	(2,056	)	¥	(23,166	)	$	(37,590	)