

5.	Reserves for Credit Losses

In general, the Company’s trade receivables provide for payment terms of 30 days or less. The Company does not extend revolving credit to its customers with respect to these receivables. The portfolio of receivables consists of a large group of smaller balance homogeneous amounts that are collectively evaluated for impairment. No customer made up more than six percent of the outstanding receivables at September 30, 2014.

As of September 30, 2014, approximately 96 percent of the outstanding balance of total trade accounts receivable was current and approximately 99 percent of the outstanding balance of total trade accounts receivable was less than 60 days past due. As of September 30, 2013, approximately 96 percent of the outstanding balance of total trade accounts receivable was current and approximately 99 percent of the outstanding balance was less than 60 days past due. The outstanding balance is made up of receivables from a wide range of industries.

The following table presents changes in reserves for credit losses related to accounts receivable:



	Nine months ended September 30,
	2014			2013
Balance, beginning of period	$	10,396		$	11,709
Provision for credit losses	23,154			13,686
Charge-offs	(25,776		)	(21,150		)
Recoveries of amounts previously charged-off	5,730			5,031
Currency translation	(58		)	(322		)
Balance, end of period	$	13,446		$	8,954