Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012
ASSETS
Cash and cash equivalents	$ 198,280	$ 211,181
Short-term investments	353,045	320,970
Accounts receivable, net of allowances of $3,094 and $3,254	205,138	185,172
Inventories	18,260	17,410
Deferred tax assets	10,617	10,362
Other current assets	48,969	30,986
Total current assets	834,309	776,081
Property and equipment, net	63,720	59,604
Long-term investments	714,331	662,803
Deferred tax assets	33,085	35,478
Goodwill	447,799	348,239
Other assets, net	54,559	28,996
Total assets	2,147,803	1,911,201
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accounts payable	28,691	27,026
Accrued liabilities	89,780	86,409
Deferred revenue	411,477	352,594
Total current liabilities	529,948	466,029
Other long-term liabilities	21,391	21,078
Deferred revenue, long-term	108,278	94,694
Total long-term liabilities	129,669	115,772
Commitments and contingencies (Note 5)
Shareholders’ equity
Preferred stock, no par value; 10,000 shares authorized, no shares outstanding	0	0
Common stock, no par value; 200,000 shares authorized, 78,305 and 78,715 shares issued and outstanding	290,143	326,922
Accumulated other comprehensive loss	(9,347)	(3,829)
Retained earnings	1,207,390	1,006,307
Total shareholders’ equity	1,488,186	1,329,400
Total liabilities and shareholders’ equity	$ 2,147,803	$ 1,911,201