Long-Lived Assets (Tables)

12 Months Ended

Sep. 30, 2012

Long-Lived Assets

Property, Plant And Equipment

(in thousands)	Estimated useful lives		2011			2012
Land and improvements		15 - 40 years	$	11,402		$	11,761
Buildings and improvements		5 - 40 years		58,702			59,433
Equipment and vehicles		3 - 20 years		187,689			190,649
Dies and molds		3 - 20 years		76,701			75,265
Construction in progress		—		4,907			9,605
				339,401			346,713
Less accumulated depreciation				(174,692	)		(187,007	)
Net property, plant and equipment			$	164,709		$	159,706

Schedule of gross carrying amounts and accumulated amortization of intangible assets

		2011				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	$	53,379
Customer relationships	5 - 15 years		77,914		38,454		72,464		38,382
Trade names	5 - 20 years		67,890		23,608		67,890		27,105
Patents and patented technologies	4 - 19 years		54,736		36,296		55,102		41,661
Other	3 - 17 years		4,985		1,993		3,760		1,178
		$	323,215	$	158,994	$	305,616	$	161,705

Schedule of total estimated annual amortization expense

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

Schedule Of Goodwill

(in thousands)	Light building products		Heavy construction materials		Total
Balances as of September 30, 2010	$	0	$	115,999	$	115,999
Finalization of purchase price		242				242
Goodwill related to 2011 acquisitions		430				430
Balances as of September 30, 2011 and 2012	$	672	$	115,999	$	116,671