Term Receivables and Trade Accounts Receivable (Tables)

9 Months Ended

Oct. 31, 2013

Term Receivables and Trade Accounts Receivable [Abstract]

Term receivable and trade accounts receivable balances

Term receivable and trade accounts receivable balances were as follows:

As of	October 31, 2013		January 31, 2013
Trade accounts receivable	$	124,240	$	178,351
Term receivables, short-term	$	244,763	$	233,894
Term receivables, long-term	$	241,122	$	250,497

Credit risk assessment for long-term receivables

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

As of	October 31, 2013		January 31, 2013
S&P credit rating:
AAA+ through BBB-	$	145,516	$	133,773
BB+ and lower	34,716		45,298
	180,232		179,071
Internal credit assessment	60,890		71,426
Total long-term term receivables	$	241,122	$	250,497

Change in allowance for doubtful accounts

The following shows the change in allowance for doubtful accounts:

Allowance for doubtful accounts	Beginning balance		Expense adjustment			Other deductions(1)			Ending balance
Nine months ended October 31, 2013	$	5,331	$	(331	)	$	(93	)	$	4,907
Nine months ended October 31, 2012	$	4,432	$	285		$	(146	)	$	4,571

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