International Retirement Plan (Tables)

3 Months Ended

Mar. 31, 2013

International Retirement Plan [Abstract]

Components Of Net Periodic Benefit Costs And Other Amounts Recognized In Other Comprehensive Income

	Quarter Ended March 31,
(in thousands)	2013		2012
Service cost	$	23	$	19
Interest cost		49		33
Total	$	72	$	52