Investments in and Advances to Affiliates (Details) In Thousands	12 Months Ended
Mar. 31, 2011 USD ($)	Mar. 31, 2011 JPY (¥)	Mar. 31, 2010 JPY (¥)	Mar. 31, 2009 JPY (¥)
Investments in and Advances to Affiliated Companies
Investments in capital stock	$ 279,590	¥ 23,206,000	¥ 21,688,000
Advances	23,000	1,909,000	2,314,000
Total	302,590	25,115,000	24,002,000
Summarized financial information for affiliated companies
Current assets	1,424,169	118,206,000	107,097,000
Net property, plant and equipment - less accumulated depreciation	482,747	40,068,000	42,207,000
Investments and other assets	333,397	27,672,000	22,246,000
Total assets	2,240,313	185,946,000	171,550,000
Current liabilities	1,053,867	87,471,000	79,894,000
Noncurrent liabilities	468,952	38,923,000	35,156,000
Equity	717,494	59,552,000	56,500,000
Total liabilities and equity	2,240,313	185,946,000	171,550,000
Net sales	2,517,578	208,959,000	168,418,000	205,798,000
Net income	$ 67,494	¥ 5,602,000	¥ 3,229,000	¥ 1,300,000

Equity Method Investment Summarized Financial Information Investments And Other Assets.

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Long-Term advances receivable form a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients.

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This item represents the disclosure of summarized financial information for unconsolidated subsidiaries and 50 percent-or-less owned entities accounted for using the equity method of accounting. If investments in common stock of corporate joint ventures or other investments accounted for under the equity method are, in the aggregate, material in relation to the financial position or results of operations of an investor, it may be necessary to present summarized information as to assets of the investee, or group of investments for which combined disclosure is appropriate, either by individual financial statement caption or in groups, as appropriate. Such summarized financial information may, at a minimum, include current and noncurrent assets, the total of which components are represented herein.

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