Term Receivables and Trade Accounts Receivable (Tables)

9 Months Ended

Oct. 31, 2011

Term Receivable and Trade Accounts Receivable Balances

Term receivable and trade accounts receivable balances were as follows:

As of	October 31, 2011		January 31, 2011
Trade accounts receivable	$	113,886	$	153,733
Term receivables, short-term	$	177,198	$	193,342
Term receivables, long-term	$	204,295	$	167,425

Credit Risk Assessment for Long-term Receivables

The credit risk assessment for our long-term receivables was as follows:

As of	October 31, 2011		January 31, 2011
S&P credit rating:
AAA+ through BBB-	$	99,563	$	84,685
BB+ and lower		20,861		19,473
		120,424		104,158
Internal credit assessment		83,871		63,267
Total long-term term receivables	$	204,295	$	167,425

Change in Allowance for Doubtful Accounts

The following shows the change in allowance for doubtful accounts for the nine months ended October 31, 2011:

	Beginning balance as of January 31, 2011		Charged (credited) to expense		Deductions(1)			Ending balance as of October 31, 2011
Allowance for doubtful accounts	$	3,941	$	26	$	(194	)	$	3,773

⁽¹⁾  Specific account write-offs and foreign exchange.