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Basis of Presentation (Narrative) (Details) - PST Eletronica Ltda [Member] | 65 Months Ended |
--- | --- | ---
May 15, 2017 | May 16, 2017
Schedule of Equity Method Investments [Line Items] |  |
Percentage ownership in consolidated subsidiary | 74.00% |
Percentage of additional noncontrolling interest acquired |  | 26.00%

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