Benefit Plans Level 3 (Tables)

3 Months Ended

Jun. 30, 2012

Notes To Financial Statements [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Components of the net periodic benefit cost for our defined benefit pension plans and other postretirement medical benefits plan were as follows:

	Defined Benefit Pension Plans												Other Postretirement Benefits Plan
	U.S. Qualified						International
Three Months Ended June 30,	2012			2011			2012			2011			2012			2011
Service cost	$	37		$	51		$	20		$	127		$	—		$	—
Interest cost	523			609			18			74			217			248
Expected return on plan assets	(834		)	(821		)	(24		)	(75		)	—			—
Amortization of loss	333			267			—			—			181			106
Curtailment	—			—			(125		)	—			—			—
Amortization of prior service cost	—			—			—			—			(816		)	(816		)
Net periodic benefit cost (income)	$	59		$	106		$	(111	)	$	126		$	(418	)	$	(462	)