Intangible Assets (Tables)

6 Months Ended

Mar. 31, 2012

Intangible Assets [Abstract]

Intangible assets

	March 31, 2012				September 30, 2011
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Amortized intangible assets
Core and developed technology	$	708,607	$	331,638	$	685,191	$	304,292
Product rights		156,802		6,534		152,140		1,268
Patents, trademarks, and other		319,602		238,252		309,337		230,542
	$	1,185,011	$	576,424	$	1,146,668	$	536,102
Unamortized intangible assets
Acquired in-process research and development	$	192,745			$	185,300
Trademarks		2,680				2,669
	$	195,425			$	187,969