Benefit Plans Level 3 (Tables)

3 Months Ended

Jun. 30, 2011

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,	2011			2010			2011			2010			2011			2010
Service cost	$	51		$	47		$	127		$	117		$	—		$	—
Interest cost	609			654			74			75			248			292
Expected return on plan assets	(821		)	(758		)	(75		)	(82		)	—			—
Recognized losses	267			267			—			—			106			97
Amortization of prior service cost	—			—			—			—			(816		)	(816		)
Net periodic benefit cost (income)	$	106		$	210		$	126		$	110		$	(462	)	$	(427	)