Goodwill And Other Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2013

Goodwill And Other Intangible Assets [Abstract]

Changes In The Carrying Amount Of Goodwill, By Reportable Segment

	Radiation Measurement		Medical Physics		Medical Products		Total
Balance as of September 30, 2012:	$	20,037	$	22,611	$	64,069	$	106,717
Effects of foreign currency		(184)						(184)
Accumulated goodwill impairment charges						(22,700)		(22,700)
Goodwill, net as of June 30, 2013	$	19,853	$	22,611	$	41,369	$	83,833

Other Intangible Assets

		June 30, 2013				September 30, 2012
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer lists	$	43,671	$	10,760	$	40,880	$	8,501
Trademarks and tradenames		2,139		0		2,123		0
Licenses and patents		3,829		912		3,518		638
Other intangibles		577		557		577		557
Intangible assets	$	50,216	$	12,229	$	47,098	$	9,696