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Fair Value Measurements (Details) (USD $) | Jun. 30, 2014 | Dec. 31, 2013
--- | --- | ---
Senior Notes [Member] |  |
Liabilities [Abstract] |  |
Notes, fair value | $ 412,000,000 |
Stated percentage (in hundredths) | 6.875% |
Convertible Notes payable [Member] |  |
Liabilities [Abstract] |  |
Notes, fair value | 102,100,000 |
Stated percentage (in hundredths) | 8.00% |
Recurring [Member] |  |
Liabilities [Abstract] |  |
Interest rate swap | 1,900,000 | 2,300,000
Foreign exchange forward contracts | 1,300,000 |
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Liabilities [Abstract] |  |
Interest rate swap | 0 | 0
Foreign exchange forward contracts | 0 |
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] |  |
Liabilities [Abstract] |  |
Interest rate swap | 1,900,000 | 2,300,000
Foreign exchange forward contracts | 1,300,000 |
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Liabilities [Abstract] |  |
Interest rate swap | 0 | 0
Foreign exchange forward contracts | $ 0 |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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- Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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