Accounts Receivable and Allowance for Doubtful Receivables (Tables)

9 Months Ended

Nov. 30, 2012

Accounts Receivable and Allowance for Doubtful Receivables [Abstract]

Allowance for doubtful receivables

The following table presents the activity in the Company’s allowance for doubtful receivables for the three and nine months ended November 30, 2012 and 2011 (in thousands):

	Three months ended						Nine months ended
	November 30,						November 30,
	2012			2011			2012			2011
Balance at beginning of period	$	4,410		$	4,833		$	4,403		$	4,814
Bad debt expense		—			(473	)		287			69
Recoveries		5			12			24			184
Accounts written off		(732	)		(36	)		(1,031	)		(731	)
Foreign currency translation		—			(3	)		—			(3	)
Balance at end of period	$	3,683		$	4,333		$	3,683		$	4,333