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COMMITMENTS AND CONTINGENCIES - Operating Leases and Contractual Obligations (Details)
$ in Millions
1 Months Ended 3 Months Ended
Sep. 30, 2016
USD ($)
ft²
a
Mar. 31, 2017
USD ($)
Commitments and Contingencies    
Aggregate contractual obligations   $ 153.4
Aggregate operating lease commitments   18.9
Land | Purchase Agreement    
Commitments and Contingencies    
Acres of land | a 49  
Purchase agreement to acquire real estate property $ 39.1  
Guaranteed Maximum Purchase Price $ 37.6  
Guaranteed maximum construction price, remaining amount   22.3
Building and Building Improvements | Purchase Agreement    
Commitments and Contingencies    
Area of real estate property | ft² 1,000,000  
Raw material items    
Commitments and Contingencies    
Purchase Commitments   $ 39.8
Period over which obligations will be paid   1 year