CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Document Period End Date	Dec. 31, 2017
Revenues:
Professional services and hosting	$ 259,027	$ 253,417
Product and licensing	161,810	151,752
Maintenance and support	80,808	82,489
Total revenues	501,645	487,658
Cost of revenues:
Professional services and hosting	172,528	164,892
Product and licensing	19,069	18,378
Maintenance and support	14,241	13,598
Amortization of intangible assets	15,356	15,542
Total cost of revenues	221,194	212,410
Gross profit	280,451	275,248
Operating expenses:
Research and development	73,366	66,322
Sales and marketing	101,960	101,516
General and administrative	52,892	39,790
Amortization of intangible assets	23,064	27,859
Acquisition-related costs, net	5,561	9,026
Restructuring and other charges, net	14,801	6,703
Total operating expenses	271,644	251,216
Income from operations	8,807	24,032
Other (expense) income:
Interest income	2,192	1,023
Interest expense	(36,070)	(38,021)
Other expense, net	(222)	(610)
Loss before income taxes	(25,293)	(13,576)
(Benefit) provision for income taxes	(78,521)	10,353
Net income (loss)	$ 53,228	$ (23,929)
Net income (loss) per share:
Basic (in dollars per share)	$ 0.18	$ (0.08)
Diluted (in dollars per share)	$ 0.18	$ (0.08)
Weighted average common shares outstanding:
Basic (in shares)	291,367	288,953
Diluted (in shares)	295,995	288,953