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Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2012

Schedule of gross carrying amounts and accumulated amortization of intangible assets

		September 30, 2011				March 31, 2012
(in thousands)	Estimated useful lives	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization

CCP contracts	8 - 20 years	$	117,690	$	58,643	$	106,400	$	50,719
Customer relationships	5 - 15 years	77,914		38,454		72,464		35,786
Trade names	5 - 20 years	67,890		23,608		67,890		25,357
Patents and patented technologies	2 - 19 years	54,736		36,296		55,077		38,966
Other	2 - 17 years	4,985		1,993		3,760		1,005
		$	323,215	$	158,994	$	305,591	$	151,833

Schedule of total estimated annual amortization expense

Year ending September 30:	(in thousands)

2012	$	20,676
2013	19,745
2014	19,202
2015	15,056
2016	14,799
2017	13,921

- Definition

Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References+ Details