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Derivatives (Forward Contract Collateral) (Details) In Millions, unless otherwise specified | Jun. 30, 2014 USD ($) | Jun. 30, 2014 JPY (¥) | Dec. 31, 2013 USD ($) | Dec. 31, 2013 JPY (¥) | Mar. 01, 2007 USD ($) | Mar. 01, 2007 JPY (¥) | Sep. 01, 2006 USD ($) | Sep. 01, 2006 JPY (¥) | Jun. 30, 2014 Forward Contracts USD ($) Rating | Jun. 30, 2014 Forward Contracts SEK | Dec. 31, 2013 Forward Contracts USD ($) | Jun. 30, 2014 Interest Rate Cap Rating | Jun. 30, 2014 Standard & Poor's, A Rating Forward Contracts Barclays USD ($) | Dec. 31, 2013 Standard & Poor's, A Rating Forward Contracts Barclays USD ($) | Jun. 30, 2014 Standard & Poor's, A Rating Forward Contracts Deutsche Bank USD ($) | Dec. 31, 2013 Standard & Poor's, A Rating Forward Contracts Deutsche Bank USD ($) | Jun. 30, 2014 Standard & Poor's, A- Rating Forward Contracts Goldman Sachs USD ($) | Dec. 31, 2013 Standard & Poor's, A- Rating Forward Contracts Goldman Sachs USD ($) | Jun. 30, 2014 Standard & Poor's, A plus Forward Contracts JP Morgan USD ($) | Dec. 31, 2013 Standard & Poor's, A plus Forward Contracts JP Morgan USD ($) | Jun. 30, 2014 Standard & Poor's, AA- Rating Forward Contracts HSBC USD ($) | Dec. 31, 2013 Standard & Poor's, AA- Rating Forward Contracts HSBC USD ($) | Jun. 30, 2014 Standard & Poor's, AA- Rating Forward Contracts Royal Bank of Canada USD ($) | Dec. 31, 2013 Standard & Poor's, AA- Rating Forward Contracts Royal Bank of Canada USD ($)
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Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amount | $ 1,700.0 | ¥ 176,200.0 | $ 1,900.0 | ¥ 203,600.0 | $ 500.0 | ¥ 56,000.0 | $ 1,700.0 | ¥ 200,000.0 | $ 7.0 | 47.0 | $ 20.4 |  | $ 2.0 | $ 5.8 | $ 1.7 | $ 7.7 | $ 1.7 | $ 2.1 | $ 0.9 | $ 1.3 | $ 0.7 | $ 3.3 | $ 0 | $ 0.2
Carrying Value |  |  |  |  |  |  |  |  | $ 0.1 |  | $ (0.1) |  | $ 0.1 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ (0.1) | $ 0 | $ 0
S and P Credit Ratings |  |  |  |  |  |  |  |  | 21 | 21 |  | 21 |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Details
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- Definition Represents the S&P creditworthiness heirarchy ratings used by the entity. + References No definition available. + Details
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- Definition Uncollaterailized Balance of Forward Currency Derivatives + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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