Term Receivables and Trade Accounts Receivable (Tables)

6 Months Ended

Jul. 31, 2014

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	July 31, 2014		January 31, 2014
Trade accounts receivable	$	112,530	$	179,830
Term receivables, short-term	$	311,169	$	274,653
Term receivables, long-term	$	236,743	$	270,365

Credit risk assessment for long-term receivables

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

As of	July 31, 2014		January 31, 2014
S&P credit rating:
AAA+ through BBB-	$	137,088	$	180,113
BB+ and lower	28,091		29,654
	165,179		209,767
Internal credit assessment	71,564		60,598
Total long-term term receivables	$	236,743	$	270,365

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
Six months ended July 31, 2014	$	5,469	$	(1,951	)	$	(224	)	$	3,294
Six months ended July 31, 2013	$	5,331	$	(331	)	$	(186	)	$	4,814

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