Long-Term Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2012

Long Term Employee Benefits [Abstract]

Schedules of Net Periodic Benefit Cost

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2012			2011			2012			2011
Service cost	$	67		$	62		$	201		$	182
Interest cost	290			316			882			940
Expected return on plan assets	(378		)	(371		)	(1,138		)	(1,105		)
Amortization of unrecognized loss	222			153			661			459
Amortization of prior service cost	3			4			10			12
Curtailment charge	2			—			2			—
Net periodic benefit cost	$	206		$	164		$	618		$	488

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2012			2011			2012			2011
Service cost	$	9		$	8		$	28		$	25
Interest cost	41			53			137			159
Amortization of unrecognized loss	24			15			68			45
Amortization of prior service benefit	(44		)	(30		)	(104		)	(91		)
Curtailment charge	3			—			3			—
Net periodic benefit cost	$	33		$	46		$	132		$	138