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Goodwill and Other Intangibles (Details) (USD $) | 12 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Purchased intangibles [Member] | Dec. 31, 2012 Purchased intangibles [Member] | Dec. 31, 2013 Capitalized software [Member] | Dec. 31, 2012 Capitalized software [Member] | Dec. 31, 2013 Capitalized software [Member] New software platform [Member] | Dec. 31, 2013 Licenses [Member] | Dec. 31, 2012 Licenses [Member] | Dec. 31, 2013 Patents and other intangibles [Member] | Dec. 31, 2012 Patents and other intangibles [Member] | Sep. 29, 2012 Trademarks [Member] | Dec. 31, 2012 Trademarks [Member] | Dec. 31, 2013 Acquisitions in 2013 [Member]
Goodwill And Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 350,350,000 | $ 316,834,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 31,231,000
Goodwill foreign currency translation adjustments | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,844,000
Intangible assets, gross foreign currency translation adjustments | 14,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, accumulated amortization foreign currency translation adjustments | 9,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of intangibles | 41,530,000 | 31,409,000 | 29,856,000 |  |  |  |  |  |  |  |  |  | 4,000,000 | 4,000,000 |
Estimated future amortization expense for the next twelve months, range minimum | 44,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future amortization expense for the next twelve months, range maximum | 49,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future amortization expense for year two, range minimum | 44,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future amortization expense for year two, range maximum | 49,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future amortization expense for year three, range minimum | 44,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future amortization expense for year three, range maximum | 49,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future amortization expense for year four, range minimum | 44,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future amortization expense for year four, range maximum | 49,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future amortization expense for year five, range minimum | 44,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated future amortization expense for year five, range maximum | 49,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, gross | 561,485,000 | 495,740,000 |  | 167,604,000 | 154,749,000 | 340,070,000 | 293,589,000 |  | 3,909,000 | 7,112,000 | 49,902,000 | 40,290,000 |  |  |
Intangible assets, accumulated amortization | 322,373,000 | 275,595,000 |  | 105,347,000 | 94,498,000 | 189,415,000 | 155,394,000 |  | 3,390,000 | 6,361,000 | 24,221,000 | 19,342,000 |  |  |
Intangible assets, average useful life in years | 8 years | 7 years |  | 10 years | 11 years | 7 years | 5 years | 10 years | 7 years | 6 years | 8 years | 8 years |  |  |
Intangible assets, net | $ 239,112,000 | $ 220,145,000 |  |  |  |  |  | $ 112,000,000 |  |  |  |  |  |  |

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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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