Term Receivables and Trade Accounts Receivable (Tables)

3 Months Ended

Apr. 30, 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	April 30, 2014		January 31, 2014
Trade accounts receivable	$	146,920	$	179,830
Term receivables, short-term	$	273,675	$	274,653
Term receivables, long-term	$	264,843	$	270,365

Credit risk assessment for long-term receivables

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

As of	April 30, 2014		January 31, 2014
S&P credit rating:
AAA+ through BBB-	$	177,508	$	180,113
BB+ and lower	21,657		29,654
	199,165		209,767
Internal credit assessment	65,678		60,598
Total long-term term receivables	$	264,843	$	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
Three months ended April 30, 2014	$	5,469	$	(1,744	)	$	(241	)	$	3,484
Three months ended April 30, 2013	$	5,331	$	(500	)	$	(79	)	$	4,752

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