Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 2,722,449	$ 1,811,887
Short-term investments	632,396	474,514
Accounts receivable, net of allowances	444,000	596,622
Deferred tax assets, net	167,549	161,535
Prepaid expenses and other current assets	165,196	169,812
Total current assets	4,131,590	3,214,370
Property and equipment, net	576,415	493,881
Long-term investments	775,457	535,178
Restricted cash and investments	90,546	119,346
Purchased intangible assets, net	130,034	121,803
Goodwill	3,928,525	3,927,807
Other long-term assets	74,525	55,466
Total assets	9,707,092	8,467,851
Current liabilities:
Accounts payable	262,594	292,270
Accrued compensation	192,621	256,746
Accrued warranty	38,946	35,931
Deferred revenue	668,824	660,264
Income taxes payable	36,742	25,000
Other accrued liabilities	166,953	201,765
Total current liabilities	1,366,680	1,471,976
Long-term debt	998,997	0
Long-term deferred revenue	216,968	224,165
Long-term income taxes payable	111,642	103,823
Other long-term liabilities	74,621	59,087
Commitments and Contingencies
Juniper Networks stockholders' equity:
Convertible preferred stock, $0.00001 par value; 10,000 shares authorized; none issued and outstanding	0	0
Common stock, $0.00001 par value; 1,000,000 shares authorized; 525,726 shares and 525,378 shares issued and outstanding at September 30, 2011, and December 31, 2010, respectively	5	5
Additional paid-in capital	10,011,736	9,717,783
Accumulated other comprehensive loss	(5,468)	(1,251)
Accumulated deficit	(3,068,565)	(3,108,337)
Total Juniper Networks stockholders' equity	6,937,708	6,608,200
Noncontrolling interest	476	600
Total equity	6,938,184	6,608,800
Total liabilities and equity	$ 9,707,092	$ 8,467,851