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Major Customer And Geographic Information (Schedule Of Revenue By Geographic Areas) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 2,888,607	$ 2,817,465	$ 2,670,133
Europe [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	561,142	552,379	541,749
North America [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	909,395	890,686	843,985
Israel [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	519,852	697,261	650,956
Latin America [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	258,761	165,516	152,147
Asia Pacific [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	568,458	459,952	459,572
Other Areas [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 70,999	$ 51,671	$ 21,724

X

- Definition

Amount of revenue from external customers for the business line. Such disclosure is presented if the amount is: (a) included in the measure of business line profit or loss reviewed by the chief operating decision maker or (b) otherwise regularly provided to the chief operating decision maker, even if not included in that measure of business line profit or loss.

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration