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Note 20. Subsequent Events Subsequent Events (Details) - USD ($) shares in Millions, $ in Millions | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Feb. 23, 2017 | Feb. 15, 2017 | Oct. 23, 2015
Term Loan B | LIBOR [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Debt Instrument, basis spread on variable rate |  |  | 3.00% |  |  |
Debt Instrument, basis spread on variable rate, floor |  |  | 0.75% |  |  |
Line of Credit [Member] | Revolving Credit Facility |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Line of credit facility borrowing capacity |  |  | $ 815 |  |  | $ 815
Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Cash Expected to Realize from Joint Venture Transactions |  | $ 30 |  |  |  |
Subsequent Event | Guaranteed Rate Affinity |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  |  |  |  | 50.10% |
Joint venture investment, ownership percentage |  |  |  |  | 49.90% |
Subsequent Event | Term Loan B | LIBOR [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate Change | 7500.00% |  |  |  |  |
Debt Instrument, basis spread on variable rate | 2.25% |  |  |  |  |
Debt Instrument, basis spread on variable rate, floor | 0.75% |  |  |  |  |
Subsequent Event | Line of Credit [Member] | Revolving Credit Facility |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Line of credit facility borrowing capacity | $ 1,050 |  |  |  |  |
Maximum [Member] | Subsequent Event |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased |  |  |  | 300 |  |

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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