Receivables (Tables)

9 Months Ended

Sep. 30, 2017

Receivables [Abstract]

Schedule of Activity in Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts for the three month and nine month periods ended September 30, 2017 and 2016 was as follows:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Beginning Balance	$	25,094		$	13,569		$	16,386		$	12,882
Bad debt expense, net of recoveries		4,753			1,545			18,584			4,124
Charge-offs, foreign currency translation and other    adjustments		(2,383	)		(2,147	)		(7,506	)		(4,039	)
Ending Balance	$	27,464		$	12,967		$	27,464		$	12,967