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Long-Term Debt Interest Rates (Details) $ in Thousands, € in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2017 EUR (€) | Mar. 31, 2017 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2016 USD ($) | Dec. 31, 2016 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Repayments of long-term debt |  |  | $ 751,209 | $ 382,162 |
1.875% Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized discount and debt issuance costs |  |  | $ 4,278 |  | $ 7,823
Debt instrument, interest rate | 1.875% | 1.875% | 1.875% |  | 1.875%
3.00% Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized discount and debt issuance costs |  |  | $ 0 |  | $ 1,286
Debt instrument, interest rate | 3.00% | 3.00% | 3.00% |  | 3.00%
4.15% Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized discount and debt issuance costs |  |  | $ 3,615 |  | $ 3,859
Debt instrument, interest rate |  |  | 4.15% |  | 4.15%
4.50% Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized discount and debt issuance costs |  |  | $ 1,041 |  | $ 2,380
Debt instrument, interest rate | 4.50% | 4.50% | 4.50% |  | 4.50%
5.45% Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized discount and debt issuance costs |  |  | $ 4,236 |  | $ 4,313
Debt instrument, interest rate |  |  | 5.45% |  | 5.45%
Senior Notes | 1.875% Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of long-term debt | € | € 307.0 |  |  |  |
Senior Notes | 3.00% Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of long-term debt |  | $ 250,000 |  |  |
Senior Notes | 4.50% Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of long-term debt |  | $ 174,700 |  |  |

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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 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 Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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