Intangible Assets

3 Months Ended

Dec. 31, 2012

Intangible Assets

Intangible Assets

5. Intangible Assets

All of Headwaters’ identified intangible assets are being amortized. The following table summarizes the gross carrying amounts and related accumulated amortization of intangible assets as of:

		September 30, 2012				December 31, 2012
(in thousands)	Estimated useful lives	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
CCP contracts	20 years	$	106,400	$	53,379	$	106,400	$	54,709
Customer relationships	5 - 15 years	72,464		38,382		72,464		39,680
Trade names	5 - 20 years	67,890		27,105		67,890		27,979
Patents and patented technologies	4 - 19 years	55,102		41,661		55,102		43,009
Other	3 - 17 years	3,760		1,178		3,760		1,264
		$	305,616	$	161,705	$	305,616	$	166,641

The above table does not include any amounts for intangible assets acquired in the Kleer Lumber acquisition described in Note 11 because the process of identifying and valuing those intangible assets is in the early stages. Total amortization expense related to intangible assets was approximately $5.5 million and $4.9 million for the quarters ended December 31, 2011 and 2012, respectively. Total estimated annual amortization expense for fiscal years 2013 through 2018 is shown in the following table, which estimates do not include any amortization for Kleer Lumber’s intangible assets.

Year ending September 30:	(in thousands)
2013	$	19,746
2014	19,204
2015	15,057
2016	14,801
2017	13,922
2018	13,873