Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Schedule of Allowance for Doubtful Accounts

Activity in the allowance for doubtful accounts was as follows:

	2013			2012			2011
Balance, beginning of year	$	2,751		$	4,391		$	5,742
Charges to costs and expenses	290			364			18
Write-offs and other activity	(838		)	(2,037		)	(1,319		)
Foreign currency translation	32			33			(50		)
Balance, end of year	$	2,235		$	2,751		$	4,391