Litigation and Contingencies (Details)	1 Months Ended					2 Months Ended	9 Months Ended		1 Months Ended				1 Months Ended		9 Months Ended	72 Months Ended	1 Months Ended		9 Months Ended
	Dec. 31, 2004 EUR (€)	Aug. 31, 2010 Inkjet Printer Litigation USD ($)	Dec. 31, 2010 Fair Labor Standards Act Litigation employee code	Oct. 31, 2010 India Directorate of Revenue Intelligence Proceedings USD ($)	Jun. 30, 2010 India Directorate of Revenue Intelligence Proceedings USD ($)	May 31, 2010 India Directorate of Revenue Intelligence Proceedings USD ($)	Jul. 31, 2012 India Directorate of Revenue Intelligence Proceedings Minimum USD ($)	Jul. 31, 2012 India Directorate of Revenue Intelligence Proceedings Maximum USD ($)	Apr. 30, 2012 Bangalore Commissioner of Customs USD ($)	Apr. 20, 2012 Bangalore Commissioner of Customs USD ($)	Apr. 11, 2012 Bangalore Commissioner of Customs USD ($)	Mar. 12, 2012 Chennai Commissioner of Customs USD ($)	Mar. 31, 2012 Chennai Commissioner of Customs Minimum USD ($)	Mar. 31, 2012 Chennai Commissioner of Customs Maximum USD ($)	Jul. 31, 2012 Russia GPO and Related Investigations USD ($)	Oct. 31, 2006 Russia GPO and Related Investigations EUR (€)	Jul. 31, 2011 ECT Proceedings Year	Jan. 31, 2011 ECT Proceedings contract	Jul. 31, 2012 ECT Proceedings Minimum Year	Jul. 31, 2012 ECT Proceedings Maximum Year
Copyright Levies
Levy assessed on a specific vendor on personal computers sold since March 2001 in Germany (euros per unit)	€ 12
Litigation and Contingencies
Number of job codes			20
Total settlement agreement amount of e-credits		5,000,000
Number of employees filed consent to opt-in to litigation			2,600
Recovery sought						370,000,000
Additional recovery sought					5,000,000
Loss contingency deposit to prevent interruption of business					17,000,000
Loss contingency deposit under demand notices					130,000
Amount of duty differential deposit under demand notices				38,000
Duties,interest and penalties affirmed under software show cause notices												254,000
Additional amount deposited against software show cause notice												21,500
Duties and penalties under show cause notices										17,000,000	386,000,000
Amount deposited under show cause notice										7,000,000	9,000,000
Amount deposited under software show cause notice												108,000
Expected additional amount deposited against product appeal							0	377,000,000
Expected additional amount deposited against spare parts appeal							0	3,000,000
Expected additional amount deposited against software appeal													0	80,000
Additional amount deposited against parts show cause notice									3,000,000
Transaction of former subsidiary under investigation																35,000,000
Civil penalties per violation															500,000
Criminal penalties per violation, specific value															$ 2,000,000
Number of ECT contracts related to alleged improprieties																		3
ETC Proceedings, period to suspend right to bid and contract (in years)																	5
Length of sanctions (in years)																			2	5