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Significant Accounting Policies (Schedule Of Warranty Liability) (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Movement in Standard Product Warranty Accrual [Roll Forward] |  |  |  |
Balance, at January 1 | $ 189,713,000 |  | $ 176,831,000 |
Warranties issued during the year | 75,782,000 |  | 81,952,000 |
Reduction due to warranties forfeited or claimed during the year | (86,418,000) | [1] | (69,070,000) | [1]
Balance, at December 31 | 179,077,000 |  | 189,713,000 |
Cost Of Revenues |  |  |  |
Standard Product Warranty [Line Items] |  |  |  |
Decrease in warranty reserve | $ (16,000,000) | [1] |  |
[1] | In 2013 the Company recognized in CORS, income of approximately $16 million as a result of the elimination of a reserve for warranty obligation that was originally recorded in connection with an acquisition of a company in 2010. This warranty obligation, which related to a project delivered to a foreign customer, reached its statute of limitations in the foreign customer's country.

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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Total increases or decreases in the standard product warranty liability for the period. Does not include increases or decreases in an extended warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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