Stock-Based Compensation (Included in Consolidated Statements of Operations) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation	$ 55,382	$ 39,195	$ 147,541	$ 114,108
Cost of product and licensing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation	238	145	1,200	498
Cost of professional services and hosting
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation	10,528	5,429	24,346	12,321
Cost of maintenance and support
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation	1,290	558	2,480	3,091
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation	12,960	8,700	33,703	22,537
Selling and marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation	13,656	13,261	39,110	42,141
General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock based compensation	$ 16,710	$ 11,102	$ 46,702	$ 33,520