Amount of accumulated debt issuance costs.

No definition available.

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- Definition

Carrying value as of the balance sheet date of the portion of long-term debt due within one year or the operating cycle if longer identified as Convertible Notes Payable. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

+ 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 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Description of debt redemption features under terms of the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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- Definition

Start date of debt instrument redemption period, in CCYY-MM-DD format.

+ References

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ 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

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

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- Details

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Long-term Debt (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Long-term debt [Line Items]
Long-term debt - current portion	$ 1,635,000	$ 0
Net proceeds received from issuance of the Notes	0	1,016,370	$ 587,850
Unsecured Senior Notes [Member]
Long-term debt [Line Items]
Long-term debt - current portion	1,635,000
Accumulated debt issuance costs	$ 30,780
Net proceeds received from issuance of the Notes		$ 1,016,370	$ 587,850
Unsecured Senior Notes [Member] \| Non-contingent redemption option at the option of the holder [Member]
Long-term debt [Line Items]
Redemption price, percentage of principal amount redeemed	100.00%
Unsecured Senior Notes [Member] \| Contingent redemption option at the option of the holder [Member]
Long-term debt [Line Items]
Redemption price, percentage of principal amount redeemed	100.00%
Unsecured Senior Notes [Member] \| Redemption option at the option of the Company [Member]
Long-term debt [Line Items]
Redemption price, percentage of principal amount redeemed	100.00%
Redemption, description	On or after September 15, 2016, August 15, 2017 and August 15, 2019, the Company may redeem any or all of the 2018 Notes, 2020 Notes, and 2021 Notes, respectively, in cash at the redemption price, provided that the last reported sale price of the Company's ADSs for 20 or more trading days in a period of 30 consecutive trading days ending within 10 trading days immediately prior to the date of the redemption notice exceeds 130% of the applicable conversion price in effect on each such trading day.
Unsecured Senior Notes [Member] \| 2018 Notes [Member]
Long-term debt [Line Items]
Unsecured Senior Notes, principal amount	$ 600,000
Interest rate	2.50%
Unsecured Senior Notes [Member] \| 2018 Notes [Member] \| ADS [Member]
Long-term debt [Line Items]
Initial conversion price	$ 110.96
Unsecured Senior Notes [Member] \| 2018 Notes [Member] \| Non-contingent redemption option at the option of the holder [Member]
Long-term debt [Line Items]
Redemption period, start date	Sep. 15, 2016
Unsecured Senior Notes [Member] \| 2018 Notes [Member] \| Contingent redemption option at the option of the holder [Member]
Long-term debt [Line Items]
Redemption period, start date	Sep. 05, 2013
Unsecured Senior Notes [Member] \| 2018 Notes [Member] \| Redemption option at the option of the Company [Member]
Long-term debt [Line Items]
Redemption period, start date	Sep. 15, 2016
Unsecured Senior Notes [Member] \| 2020 Notes [Member]
Long-term debt [Line Items]
Unsecured Senior Notes, principal amount	$ 517,500
Interest rate	0.50%
Unsecured Senior Notes [Member] \| 2020 Notes [Member] \| ADS [Member]
Long-term debt [Line Items]
Initial conversion price	$ 125.33
Unsecured Senior Notes [Member] \| 2020 Notes [Member] \| Non-contingent redemption option at the option of the holder [Member]
Long-term debt [Line Items]
Redemption period, start date	Aug. 15, 2017
Unsecured Senior Notes [Member] \| 2020 Notes [Member] \| Contingent redemption option at the option of the holder [Member]
Long-term debt [Line Items]
Redemption period, start date	Aug. 06, 2014
Unsecured Senior Notes [Member] \| 2020 Notes [Member] \| Redemption option at the option of the Company [Member]
Long-term debt [Line Items]
Redemption period, start date	Aug. 15, 2017
Unsecured Senior Notes [Member] \| 2021 Notes [Member]
Long-term debt [Line Items]
Unsecured Senior Notes, principal amount	$ 517,500
Interest rate	1.75%
Unsecured Senior Notes [Member] \| 2021 Notes [Member] \| ADS [Member]
Long-term debt [Line Items]
Initial conversion price	$ 120.77
Unsecured Senior Notes [Member] \| 2021 Notes [Member] \| Non-contingent redemption option at the option of the holder [Member]
Long-term debt [Line Items]
Redemption period, start date	Aug. 15, 2019
Unsecured Senior Notes [Member] \| 2021 Notes [Member] \| Contingent redemption option at the option of the holder [Member]
Long-term debt [Line Items]
Redemption period, start date	Aug. 06, 2014
Unsecured Senior Notes [Member] \| 2021 Notes [Member] \| Redemption option at the option of the Company [Member]
Long-term debt [Line Items]
Redemption period, start date	Aug. 15, 2019