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Other intangible assets, net (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Finite-lived Intangible Assets [Roll Forward] |  |  |
Cost | $ 160,520,000 | $ 49,395,000 |
Accumulated Amortization | (44,256,000) | (35,833,000) |
Net Book Value | 116,264,000 | 13,562,000 |
Indefinite-lived Intangible Assets [Roll Forward] |  |  |
Amortization of Other Intangibles | 113,000,000 | 98,000,000 | 84,000,000
Future Amortization Expense, Year One | 136,000,000 |  |
Future Amortization Expense, Year Two | 127,000,000 |  |
Future Amortization Expense, Year Three | 113,000,000 |  |
Future Amortization Expense, Year Four | 111,000,000 |  |
Future Amortization Expense, Year Five | 101,000,000 |  |
Customer Relationships [Member] |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |
Cost | 1,509,339,000 | 1,022,134,000 |
Accumulated Amortization | (379,535,000) | (302,156,000) |
Net Book Value | 1,129,804,000 | 719,978,000 |
Unpatented Technology [Member] |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |
Cost | 198,609,000 | 193,915,000 |
Accumulated Amortization | (97,487,000) | (72,358,000) |
Net Book Value | 101,122,000 | 121,557,000 |
Patents and other protective rights [Member] |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |
Cost | 40,399,000 | 25,398,000 |
Accumulated Amortization | (20,312,000) | (17,699,000) |
Net Book Value | 20,087,000 | 7,699,000 |
Trade secrets [Member] |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |
Cost | 1,500,000 | 1,500,000 |
Accumulated Amortization | (1,500,000) | (1,361,000) |
Net Book Value | 0 | 139,000 |
Trade Names [Member] |  |  |
Indefinite-lived Intangible Assets [Roll Forward] |  |  |
Finite-Lived Intangible Assets, Net, Ending Balance | $ 331,590,000 | $ 231,207,000 |

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- Definition The aggregate expense charged against earnings to allocate the cost of other intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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