Receivables (Tables)

3 Months Ended

Mar. 31, 2014

Receivables [Abstract]

Schedule of Activity in Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts for the three month periods ended March 31, 2014 and 2013 was as follows:

	Three Months Ended March 31,
	2014			2013
Balance, January 1	$	28,777		$	23,017
Bad debt expense, net of recoveries		9,136			148
Charge-offs, foreign currency translation and other adjustments		(6,589	)		(360	)
Balance, March 31	$	31,324		$	22,805