Debt Instrument, Covenant Default, Amount of Non-Payment

No definition available.

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- Definition

The amount of issuance costs that were incurred and capitalized for a debt transaction.

+ References

No definition available.

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- Definition

Undrawn outstanding letters of credit between subsidiaries of the Company.

+ References

No definition available.

+ Details

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- Definition

Undrawn outstanding letters of credit in favor of third parties.

+ References

No definition available.

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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
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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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

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (SX 210.5-02.22(a)(2))
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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
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+ Details

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- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

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-Name Accounting Standards Codification
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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-Section 02
-Paragraph 20, 22
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+ Details

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
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Debt (Narrative) (Details) - USD ($)			12 Months Ended
Debt (Narrative) (Details) - USD ($)	Aug. 21, 2014	Sep. 19, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2006
Debt Instrument [Line Items]
Undrawn Outstanding Letters Of Credit In Favor Of Third Parties			$ 132,200,000	$ 176,500,000
Undrawn Outstanding Letters Of Credit Between Subsidiaries			1,127,400,000	$ 1,035,000,000
Debt Instrument, Face Amount						$ 850,000,000.0
Line of Credit Facility, Maximum Borrowing Capacity			$ 701,100,000.0
Debt, Weighted Average Interest Rate			5.20%	5.69%
Debt Instrument, Covenant Default, Amount of Non-Payment			$ 100,000,000
Notes and Loans Payable			2,312,629,000	$ 2,314,293,000
Long-term debt			2,297,548,000	2,297,704,000
Long-term Debt, Maturities, Repayments of Principal in Year Four			402,792,000
Line of Credit Facility, Commitment Fee Amount			$ 10,900,000	12,600,000	$ 9,800,000
Junior Subordinated Debentures Due 2065 [Member]
Debt Instrument [Line Items]
Debt Instrument, Maturity Date			Dec. 31, 2065
Debt Instrument, Face Amount			$ 400,000,000
Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			5.00%
Debt Instrument, Maturity Date			Dec. 31, 2021
Debt Instrument, Face Amount			$ 400,000,000
Subordinated Debentures Due 2042 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			6.20%
Debt Instrument, Maturity Date			Dec. 31, 2042
Debt Instrument, Face Amount			$ 400,000,000
Senior Notes Due 2023 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		4.70%	4.70%
Debt Instrument, Maturity Date		Sep. 15, 2023	Dec. 31, 2023
Debt Instrument, Face Amount		$ 400,000,000.0	$ 400,000,000
Proceeds From Issuance Of Subordinated Long Term Debt			395,100,000
Debt Issuance Costs Incurred And Capitalized			$ 3,400,000
Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.09%		4.09%
Debt Instrument, Maturity Date	Sep. 01, 2039		Dec. 31, 2039
Debt Instrument, Face Amount	$ 100,000,000.0		$ 100,000,000
Senior Notes Due 2019 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			6.45%
Debt Instrument, Maturity Date			Dec. 31, 2019
Debt Instrument, Face Amount			$ 400,000,000
Senior Notes Due 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			5.625%
Debt Instrument, Maturity Date			Dec. 31, 2017
Debt Instrument, Face Amount			$ 300,000,000
Syndicated Credit Facility $850 Million [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			850,000,000
Long-term Line of Credit			$ 313,659,000	$ 204,774,000