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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2014
Accounting Policies [Abstract] |
Schedule of Assumptions used in Discounted Cash Flows | The range of assumptions for the long-term growth rate and WACC used in our evaluations as of October 1, 2014 and 2013 were:
| October 1,
| 2014 |  | 2013
Long-Term Growth Rate | 4.3-10.0% |  |  | 5.0-10.0% |
WACC | 8.95 | % |  | 9.50 | %
Redeemable Noncontrolling Interest | The following table presents changes in Redeemable Noncontrolling Interests.
| Years Ended December 31,
| 2014 |  | 2013 |  | 2012
Beginning Balance as of January 1, | $ | 148,534 |  |  | $ | 117,953 |  |  | $ | 107,432 |
Redemptions | (4,820 | ) |  | (4,270 | ) |  | (16,712 | )
Granted | 13,327 |  |  | — |  |  | 4,189 |
Changes in redemption value | 38,850 |  |  | 35,689 |  |  | 22,912 |
Currency translation adjustments | (940 | ) |  | (838 | ) |  | 132 |
Ending Balance as of December 31, | $ | 194,951 |  |  | $ | 148,534 |  |  | $ | 117,953 |

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- Definition Schedule of Assumptions used in Discounted Cash Flows [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References No definition available. + Details
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