Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 1,639.6	$ 2,284.0
Short-term investments	332.2	561.9
Accounts receivable, net of allowance for doubtful accounts of $4.7 and $5.4 as of December 31, 2014 and 2013, respectively	598.9	578.3
Deferred tax assets, net	147.0	79.8
Prepaid expenses and other current assets	254.2	199.9
Total current assets	2,971.9	3,703.9
Property and equipment, net	904.3	882.3
Long-term investments	1,133.1	1,251.9
Restricted cash and investments	46.0	89.5
Purchased intangible assets, net	62.4	106.9
Goodwill	2,981.5	4,057.7
Other long-term assets	303.9	233.8
Total assets	8,403.1	10,326.0
Current liabilities:
Accounts payable	234.6	200.4
Accrued compensation	225.0	273.9
Deferred revenue	780.8	705.8
Other accrued liabilities	287.3	261.3
Total current liabilities	1,527.7	1,441.4
Long-term debt	1,349.0	999.3
Long-term deferred revenue	294.9	363.5
Long-term income tax payable	177.5	114.4
Other long-term liabilities	134.9	105.2
Total liabilities	3,484.0	3,023.8
Commitments and contingencies (Note 16)
Juniper Networks stockholders' equity:
Convertible preferred stock, $0.00001 par value; 10.0 shares authorized; none issued and outstanding	0	0
Common stock, $0.00001 par value; 1,000.0 shares authorized; 416.2 shares and 495.2 shares issued and outstanding as of December 31, 2014 and 2013, respectively	0	0
Additional paid-in capital	8,794.0	9,868.9
Accumulated other comprehensive (loss) income	(13.8)	64.6
Accumulated deficit	(3,861.1)	(2,631.3)
Total stockholders' equity	4,919.1	7,302.2
Total liabilities and stockholders' equity	$ 8,403.1	$ 10,326.0