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Commitments and Contingencies - Legal Matters (Details)
12 Months Ended
Nov. 30, 2015
USD ($)
Dec. 31, 2016
USD ($)
LegalMatter
Dec. 31, 2015
USD ($)
Jan. 16, 2015
USD ($)
citation
Nov. 30, 2013
employee
Loss Contingencies [Line Items]          
Legal settlement $ (50,000,000)        
Asbestos Litigation [Member]          
Loss Contingencies [Line Items]          
Unresolved asbestos cases pending | LegalMatter   64      
Litigation liability accrued   $ 200,000      
Inflective Inc. Litigation [Member]          
Loss Contingencies [Line Items]          
Damages   3,000,000      
Socorro Litigation [Member] | James Chavez, Andrew Baca, and Spouses [Member]          
Loss Contingencies [Line Items]          
Litigation liability accrued     $ 0    
Occupational Safety [Member] | State of California, Division of Occupational Safety & Health [Member] | Rancho Cordova Facility [Member]          
Loss Contingencies [Line Items]          
Total number of injured employees | employee         2
Number of deceased employees due to injury | employee         1
Damages       $ 100,000  
Number of citations | citation       9  
Minimum [Member] | Asbestos Litigation [Member]          
Loss Contingencies [Line Items]          
Accrued estimated liability   200,000      
Maximum [Member] | Asbestos Litigation [Member]          
Loss Contingencies [Line Items]          
Accrued estimated liability   $ 600,000