Taxes On Income (Schedule Of Deferred Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Taxes On Income [Abstract]
Net operating loss carry forward	$ 50,276	$ 33,344
Research & Development	12,266	10,531
Other temporary differences relating to reserve and allowances	28,821	34,401
Deferred tax asset before valuation allowance	91,363	78,276
Valuation allowance	(72,588)	(59,018)
Deferred tax asset	18,775	19,258
Acquired intangibles	(1,046)	(1,738)
Deferred tax asset, net	$ 17,729	$ 17,520

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences from long-lived assets other than property, plant, and equipment.

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