Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Amortized intangible assets
Gross Carrying Amount	$ 1,134,741	$ 1,146,668
Accumulated Amortization	561,901	536,102
Unamortized intangible assets
Unamortized intangible assets, Total	194,960	187,969
Acquired in process research and development [Member]
Unamortized intangible assets
Unamortized intangible assets, Total	192,292	185,300
Trademarks [Member]
Unamortized intangible assets
Unamortized intangible assets, Total	2,668	2,669
Core and developed technology [Member]
Amortized intangible assets
Gross Carrying Amount	674,981	685,191
Accumulated Amortization	319,616	304,292
Product Rights [Member]
Amortized intangible assets
Gross Carrying Amount	148,037	152,140
Accumulated Amortization	8,635	1,268
Patents, trademarks, and other [Member]
Amortized intangible assets
Gross Carrying Amount	311,723	309,337
Accumulated Amortization	$ 233,650	$ 230,542