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Noncontrolling Interests (Details) | 6 Months Ended
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Jun. 30, 2016
Phenix Systems [Member] |
Business Acquisition [Line Items] |
Acquired ownership percentage | 95.00%
Acquisition date | Jul. 15, 2013
Robtec [Member] |
Business Acquisition [Line Items] |
Acquired ownership percentage | 70.00%
Acquisition date | Nov. 25, 2014
Easyway [Member] |
Business Acquisition [Line Items] |
Acquired ownership percentage | 65.00%
Acquisition date | Apr. 02, 2015

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