Balance Sheet Details - Other Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Other Assets [Abstract]
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	$ 34,442	$ 34,600
Capitalized Software Development Costs for Software Sold to Customers	111	201
Other	1,912	1,893
Total Other Assets	$ 36,465	$ 36,694

Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products. Excludes capitalized costs of developing software for internal use.

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Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet.

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