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Accounts Receivable	6 Months Ended
Accounts Receivable	Jun. 30, 2018
Receivables [Abstract]
Accounts Receivable	Accounts Receivable Accounts receivable are net of an allowance for doubtful accounts of $5.1 million and $7.6 million at June 30, 2018 and December 31, 2017, respectively.

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

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