Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2011

Intangible Assets [Abstract]

Intangible assets

	2011				2010
	Gross				Gross
	Carrying		Accumulated		Carrying		Accumulated
	Amount		Amortization		Amount		Amortization
Amortized intangible assets
Core and developed technology	$	685,191	$	304,292	$	580,709	$	269,926
Product rights		152,140		1,268		—		—
Patents, trademarks, and other		309,337		230,542		301,883		219,735
	$	1,146,668	$	536,102	$	882,592	$	489,661
Unamortized intangible assets
Acquired in-process research and development	$	185,300			$	143,000
Trademarks		2,669				2,709
	$	187,969			$	145,709