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Share-Based Compensation - Schedule of Performance Shares Activity (Detail) - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Conversion from Performance Shares to Restricted Stock Units upon completion of the spin-offs (671,604)      
EBITDA CAGR [member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding, beginning balance 335,802 366,361    
Conversion from Performance Shares to Restricted Stock Units upon completion of the spin-offs (335,802)      
Granted 169,843 300,784 204,523 176,661
Vested   (152,835)    
Forfeited   (178,508)    
Outstanding, ending balance 169,843 335,802 366,361  
Weighted average grant date fair value, outstanding beginning balance $ 68.09 $ 74.49    
Weighted average grant date fair value, conversion from Performance Shares to Restricted Stock Units upon completion of the spin-offs 68.09      
Weighted average grant date fair value, granted 58.02 58.83 $ 82.38 $ 64.59
Weighted average grant date fair value, vested   64.59    
Weighted average grant date fair value, forfeited   68.61    
Weighted average grant date fair value, outstanding ending balance $ 58.02 $ 68.09 $ 74.49  
Free cash flow CAGR [member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding, beginning balance 0      
Granted 169,812      
Outstanding, ending balance 169,812 0    
Weighted average grant date fair value, granted $ 58.02      
Weighted average grant date fair value, outstanding ending balance $ 58.02      
Relative shareholder return [member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding, beginning balance 335,802 366,361    
Granted   300,784 204,523 176,661
Vested   (152,835)    
Forfeited   (178,508)    
Outstanding, ending balance   335,802 366,361  
Weighted average grant date fair value, outstanding beginning balance $ 76.74 $ 86.37    
Weighted average grant date fair value, granted   62.43 $ 98.94 $ 70.68
Weighted average grant date fair value, vested   70.68    
Weighted average grant date fair value, forfeited   77.58    
Weighted average grant date fair value, outstanding ending balance   $ 76.74 $ 86.37