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Senior Notes, Convertible Notes and Trust Preferred Securities - Schedule of Debt Instrument Redemptions (Details) | Dec. 31, 2015 USD ($)
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Senior Notes [Member] |
Debt Instrument, Redemption [Line Items] |
Face Amount | $ 500,000,000
4.40% Senior Note [Member] | Senior Notes Due 2024 [Member] |
Debt Instrument, Redemption [Line Items] |
Face Amount | $ 250,000,000
Interest Rate | 4.40%
Issue Price | 99.883%
4.25% Senior Note [Member] | Senior Notes Due 2023 [Member] |
Debt Instrument, Redemption [Line Items] |
Face Amount | $ 250,000,000
Interest Rate | 4.25%
Issue Price | 99.026%

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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 + Details
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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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