Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans, net of financing costs.

No definition available.

+ Details

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13476-108611

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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

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration 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

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 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	debit
Period Type:	instant

- References

No definition available.

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Fair Value Measurements - Debt (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Feb. 28, 2018	Jan. 31, 2017
Fair Value of Financial Instruments
Less: deferred financing costs	$ 39,101	$ 27,997
6.15% senior notes due February 2018
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	6.15%	6.15%	6.15%
9.25% senior notes due January 2019
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	9.25%
5.00% senior notes due September 2020
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	5.00%
4.625% senior notes due September 2021
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	4.625%
5.50% senior notes due January 2023
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	5.50%
5.10% senior notes due September 2023
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	5.10%
0.75% senior exchangeable notes due January 2024
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	0.75%
Less: deferred financing costs				$ 9,600
5.75% senior notes due February 2025
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	5.75%
Fair Value
Fair Value of Financial Instruments
Debt	$ 4,208,094	$ 4,024,277
Fair Value \| 6.15% senior notes due February 2018
Fair Value of Financial Instruments
Debt		462,674
Fair Value \| 9.25% senior notes due January 2019
Fair Value of Financial Instruments
Debt	316,642	321,028
Fair Value \| 5.00% senior notes due September 2020
Fair Value of Financial Instruments
Debt	671,610	670,757
Fair Value \| 4.625% senior notes due September 2021
Fair Value of Financial Instruments
Debt	672,116	665,003
Fair Value \| 5.50% senior notes due January 2023
Fair Value of Financial Instruments
Debt	586,524	584,850
Fair Value \| 5.10% senior notes due September 2023
Fair Value of Financial Instruments
Debt	330,061	325,844
Fair Value \| 0.75% senior exchangeable notes due January 2024
Fair Value of Financial Instruments
Debt	431,262	443,940
Fair Value \| 5.75% senior notes due February 2025
Fair Value of Financial Instruments
Debt	754,504
Fair Value \| Revolving Credit Facility
Fair Value of Financial Instruments
Debt	445,000	510,000
Fair Value \| Commercial paper
Fair Value of Financial Instruments
Debt		40,000
Fair Value \| Other
Fair Value of Financial Instruments
Debt	375	181
Carrying Value
Fair Value of Financial Instruments
Debt	4,295,636	4,055,944
Less: deferred financing costs	39,101	27,997
Debt, net of financing costs	4,256,535	4,027,947
Carrying Value \| 6.15% senior notes due February 2018
Fair Value of Financial Instruments
Debt		460,762
Carrying Value \| 9.25% senior notes due January 2019
Fair Value of Financial Instruments
Debt	303,489	303,489
Carrying Value \| 5.00% senior notes due September 2020
Fair Value of Financial Instruments
Debt	669,922	669,846
Carrying Value \| 4.625% senior notes due September 2021
Fair Value of Financial Instruments
Debt	$ 695,168	695,108
Carrying Value \| 5.50% senior notes due January 2023
Fair Value of Financial Instruments
Interest rate on senior notes due (as a percent)	5.50%
Debt	$ 600,000	600,000
Carrying Value \| 5.10% senior notes due September 2023
Fair Value of Financial Instruments
Debt	346,608	346,576
Carrying Value \| 0.75% senior exchangeable notes due January 2024
Fair Value of Financial Instruments
Debt	435,074	429,982
Carrying Value \| 5.75% senior notes due February 2025
Fair Value of Financial Instruments
Debt	800,000
Carrying Value \| Revolving Credit Facility
Fair Value of Financial Instruments
Debt	445,000	510,000
Carrying Value \| Commercial paper
Fair Value of Financial Instruments
Debt		40,000
Carrying Value \| Other
Fair Value of Financial Instruments
Debt	$ 375	$ 181