Term Receivables and Trade Accounts Receivable (Tables)

6 Months Ended

Jul. 31, 2016

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, 2016		January 31, 2016
Trade accounts receivable	$	88,094	$	176,021
Term receivables, short-term	$	296,298	$	317,188
Term receivables, long-term	$	226,268	$	268,657

Credit risk assessment for long-term receivables

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

As of	July 31, 2016		January 31, 2016
S&P credit rating:
AAA+ through BBB-	$	164,331	$	195,764
BB+ and lower	32,900		22,520
	197,231		218,284
Internal credit assessment	29,037		50,373
Total long-term term receivables	$	226,268	$	268,657

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, 2016	$	3,826	$	(875	)	$	256		$	3,207
Six months ended July 31, 2015	$	4,217	$	(597	)	$	(9	)	$	3,611

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