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Accounts Receivable Securitization	3 Months Ended
	Mar. 31, 2019
Accounts Receivable Securitization [Abstract]
Accounts Receivable Securitization	11. Accounts Receivable Securitization The Company is engaged in an accounts receivable securitization program with Wells Fargo & Company (Wells Fargo).  The commitment size under the program is $70 million. Between October 2016 and June 2018, the Company accounted for sales of trade receivables under the program as a reduction of accounts receivable in the Consolidated Condensed Balance Sheets in accordance with ASC Topic 860, Transfers and Servicing (ASC Topic 860). In June 2018, the Company amended the program. Following the amendment, the Company no longer accounts for the sales of the trade receivables in accordance with ASC Topic 860, and instead now maintains the trade receivables and related debt on its Consolidated Condensed Balance Sheets. Under the amended program, Wells Fargo has extended a secured loan of up to $70 million to the Company secured by Wells Fargo’s undivided interests in certain of the Company’s trade accounts receivables. The program expires in October 2019; however, the Company has the intent and ability to refinance or extend the program prior to maturity. As of March 31, 2019, $70 million was borrowed under the program.

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No definition available.

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- Definition

The entire disclosure for a transferor's continuing involvement in financial assets that it has transferred in a securitization or asset-backed financing arrangement, the nature of any restrictions on assets reported by an entity in its statement of financial position that relate to a transferred financial asset (including the carrying amounts of such assets), how servicing assets and servicing liabilities are reported, and (for securitization or asset-backed financing arrangements accounted for as sales) when a transferor has continuing involvement with the transferred financial assets and transfers of financial assets accounted for as secured borrowings, how the transfer of financial assets affects an entity's financial position, financial performance, and cash flows.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-URI http://asc.fasb.org/topic&trid=2197590

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