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Contingencies (Narrative) (Details) |  |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 11, 2017 USD ($) | Dec. 21, 2016 USD ($) Plantiffs | Dec. 21, 2016 PHP Plantiffs | Nov. 29, 2016 USD ($) | Nov. 29, 2016 PHP | Mar. 25, 2016 USD ($) | Aug. 25, 2014 USD ($) | Dec. 31, 2004 USD ($) | Dec. 31, 2004 PHP | Jul. 01, 2017 Claims | Jun. 23, 2014 USD ($) | Jun. 23, 2014 PHP
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of cases filed | Claims |  |  |  |  |  |  |  |  |  | 4 |  |
Bouaphakeo Case [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Awarded, Value |  |  |  |  |  |  | $ 5,784,758 |  |  |  |  |
Loss contingency, damages sought |  |  |  |  |  |  | $ 2,692,145 |  |  |  |  |
Dozier Southerland Case [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, damages sought |  |  |  |  |  | $ 425,000 |  |  |  |  |  |
Republic of the Philippines, Department of Labor and Employment and the National Labor Relations Commission [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Awarded, Value |  |  |  | $ 294,000,000 | PHP 14,858,495,937 |  |  | $ 68,000,000 | PHP 3,453,664,710 |  |  |
Loss Contingency, Number of Plaintiffs, Award Increase |  |  |  | 4,922 | 4,922 |  |  |  |  |  |  |
Estimated Percentage of Settling Complainants |  | 18.00% | 18.00% |  |  |  |  |  |  |  |  |
Loss Contingency, Number of Plaintiffs |  | 5,984 | 5,984 | 5,984 | 5,984 |  |  |  |  |  |  |
Loss Contingency, Damages Paid Per Complainant |  | $ 1,346 | PHP 68,000 |  |  |  |  |  |  |  |  |
Maximum [Member] | Republic of the Philippines, Department of Labor and Employment and the National Labor Relations Commission [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  |  |  | $ 6,800,000 | PHP 342,287,800
Subsequent Event [Member] | Joint Notice- Bouaphakeo, Edwards, Murray, DeVoss Cases [Member] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, damages sought | $ 12,600,000 |  |  |  |  |  |  |  |  |  |  |

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