Goodwill And Other Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2012

Goodwill And Other Intangible Assets [Abstract]

Changes In The Carrying Amount Of Goodwill, By Reportable Segment

	Radiation Measurement		Medical Physics		Medical Products		Total
Goodwill at September 30, 2011	$	20,225	$	19,737	$	0	$	39,962
Increase related to acquisitions		0		2,874		64,069		66,943
Effects of foreign currency		(994)		0		0		(994)
Goodwill at June 30, 2012	$	19,231	$	22,611	$	64,069	$	105,911

Other Intangible Assets

	June 30, 2012				September 30, 2011
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer lists	$	40,615	$	7,704	$	15,645	$	6,467
Trademarks and tradenames		3,024		0		1,024		0
Licenses and patents		3,345		623		1,017		331
Other intangibles		577		557		577		557
Intangible assets	$	47,561	$	8,884	$	18,263	$	7,355