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Factoring of Accounts Receivable
12 Months Ended
Dec. 31, 2018
Factoring of Accounts Receivable [Abstract]  
Factoring of Accounts Receivable
Factoring of Accounts Receivable

For certain accounts receivable, we use non-recourse factoring arrangements with third-party financial institutions to manage our working capital and cash flows. Under this program, we sell receivables to a financial institution for cash at a discount to the face amount. As part of the factoring arrangements, we perform certain collection and administrative functions for the receivables sold. For the year ended December 31, 2018 and 2017, we sold accounts receivable totaling $873.9 million and $611.2 million, net of discounts and fees of $7.0 million and $4.6 million, respectively.