Property and Equipment Net (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Leasehold improvement	$ 5,393	$ 4,466
Property and equipment, gross	109,781	102,836
Accumulated depreciation	72,808	66,197
Property and equipment, net	36,973	36,639
Computers and peripheral equipment
Property, Plant and Equipment [Line Items]
Machinery and equipment, gross	64,026	58,779
Office furniture and equipment
Property, Plant and Equipment [Line Items]
Machinery and equipment, gross	5,966	5,728
Building
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 34,396	$ 33,863

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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