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Equity (Tables)

12 Months Ended

Dec. 31, 2011

Stockholders' Equity Note [Abstract]

Comprehensive Income (Loss) Note [Table Text Block]

Comprehensive income attributable to Juniper Networks consists of the following (in millions):



	Years Ended December 31,
	2011			2010			2009
Consolidated net income	$	425.0		$	619.4		$	115.2
Other comprehensive income (loss), net:
Change in unrealized gain (loss) on investments, net	(9.9		)	(0.3		)	(2.8		)
Change in foreign currency translation adjustment, net	(6.4		)	0.5			5.6
Total other comprehensive income (loss), net	(16.3		)	0.2			2.8
Consolidated comprehensive income	408.7			619.6			118.0
Adjust for comprehensive loss (income) attributable to noncontrolling interest, net	0.1			(1.0		)	1.8
Comprehensive income attributable to Juniper Networks	$	408.8		$	618.6		$	119.8

- Definition

Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans.

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