Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 01, 2017	Sep. 30, 2016
ASSETS
Cash and cash equivalents	$ 260,695	$ 277,935
Short term marketable securities	19,277	18,695
Accounts receivable, net of allowance for doubtful accounts of $1,419 and $1,012 at July 1, 2017 and September 30, 2016, respectively	128,561	161,357
Prepaid expenses	60,507	52,819
Other current assets	140,419	131,783
Total current assets	609,459	642,589
Property and equipment, net	63,443	67,113
Goodwill	1,175,628	1,169,813
Acquired intangible assets, net	269,825	310,305
Long term marketable securities	30,912	30,921
Deferred tax assets	110,172	89,692
Other assets	32,322	35,296
Total assets	2,291,761	2,345,729
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	24,569	18,022
Accrued expenses and other current liabilities	69,574	84,141
Accrued compensation and benefits	94,575	145,633
Accrued income taxes	6,900	6,303
Deferred revenue	455,322	400,420
Total current liabilities	650,940	654,519
Long term debt	712,191	751,601
Deferred tax liabilities	22,203	13,754
Deferred revenue	9,994	13,237
Other liabilities	61,053	69,952
Total liabilities	1,456,381	1,503,063
Commitments and contingencies (Note 14)
Stockholders’ equity:
Preferred stock, $0.01 par value; 5,000 shares authorized; none issued	0	0
Common stock, $0.01 par value; 500,000 shares authorized; 115,454 and 114,968 shares issued and outstanding at July 1, 2017 and September 30, 2016, respectively	1,154	1,150
Additional paid-in capital	1,597,820	1,598,548
Accumulated deficit	(668,275)	(657,079)
Accumulated other comprehensive loss	(95,319)	(99,953)
Total stockholders’ equity	835,380	842,666
Total liabilities and stockholders’ equity	$ 2,291,761	$ 2,345,729