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EXPANSION INTO CHINA (Details) - USD ($)
$ in Millions
May 31, 2017
Aug. 31, 2017
Apr. 30, 2017
Noncontrolling Interest [Line Items]      
Planned amount of investment in new facility $ 160    
Investment funding term 5 years    
FPD Manufacturing Facility [Member] | Subsequent Event [Member] | Minimum [Member]      
Noncontrolling Interest [Line Items]      
Planned amount of investment in new facility   $ 160  
DNP [Member]      
Noncontrolling Interest [Line Items]      
Ownership percentage of noncontrolling interests 49.99%   49.99%
PLAB Singapore [Member]      
Noncontrolling Interest [Line Items]      
Ownership percentage in joint venture   50.01%