Allowance for Doubtful Accounts and Credit Losses (Schedule of Allowance for Doubtful Notes and Accounts Receivable) (Details) (JPY ¥) In Millions	12 Months Ended
Mar. 31, 2011	Mar. 31, 2010	Mar. 31, 2009
Allowance for Doubtful Accounts and Credit Losses
Balance at beginning of year	¥ 2,821	¥ 2,512	¥ 1,983
Provision	300	636	1,041
Charge-offs	(77)	(46)	(32)
Other	(238)	(281)	(480)
Balance at end of year	2,806	2,821	2,512
Repossessed assets	¥ 216	¥ 513

Reflects the net amount of other additions and reductions in the allowance for doubtful current accounts receivable.

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- Definition

Allowance For Doubtful Accounts And Credit Losses [Abstract]

+ Details

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- Definition

Reduction to the allowance for doubtful current accounts receivable deemed uncollectible.

+ Details

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- Definition

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful current accounts receivable for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

+ Details

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- Definition

The amount of foreclosed assets or repossessions.

+ Details

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- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 4
-Article 5

+ Details

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