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Shareholders' Equity and Long-Term Incentive Compensation - Stock Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 01, 2017
Mar. 02, 2016
Oct. 14, 2015
Sep. 26, 2015
Dec. 31, 2015
Sep. 26, 2015
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Stock Options                  
Historical period upon which annual expected stock price volatility is based             3 years    
Maximum                  
Stock Options                  
Daily treasury yield curve period upon which average risk-free interest rate is based             3 years    
Minimum                  
Stock Options                  
Daily treasury yield curve period upon which average risk-free interest rate is based             1 year    
PSU's, RSU's, and RS's                  
Unvested Restricted Stock Shares and Restricted Stock Units                  
Outstanding at the beginning of the period (in shares)           1,168,000 1,702,000 1,869,000 1,168,000
Granted (in shares)         510,000 451,000 252,000 423,000  
Vested (in shares)           (262,000) (483,000) (528,000)  
Canceled (in shares)         (11,000)        
Forfeited (in shares)           (212,000) (241,000) (62,000)  
Outstanding at the end of the period (in shares)         1,869,000   1,230,000 1,702,000 1,869,000
Weighted-Average Grant-Date Fair Value                  
Outstanding at the beginning of the period (in dollars per share)           $ 69.22 $ 16.47 $ 17.63 $ 69.22
Granted (in dollars per share)         $ 12.32 81.60 28.22 13.97  
Vested (in dollars per share)           78.71 18.17 10.32  
Canceled (in dollars per share)         20.34        
Forfeited (in dollars per share)           $ 52.67 20.83 20.46  
Outstanding at the end of the period (in dollars per share)         17.63   $ 17.41 $ 16.47 $ 17.63
Unrecognized compensation cost                  
Unrecognized compensation cost related to restricted stock share and restricted stock unit             $ 8.1    
PSU's, RSU's, and RS's | Weighted Average                  
Unrecognized compensation cost                  
Weighted-average period over which unrecognized compensation costs will be recognized             1 year 4 months 24 days    
PSU's, RSU's, and RS's | Maximum                  
Stock Options                  
Vesting period             3 years    
PSU's, RSU's, and RS's | Minimum                  
Stock Options                  
Vesting period             1 year    
PSU's, RSU's, and RS's | SPX Flow, Inc | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff                  
Unvested Restricted Stock Shares and Restricted Stock Units                  
Terminations in Period (in shares)       (785,000)          
Conversions (in shares)       1,010,000          
Stock options                  
Unrecognized compensation cost                  
Unrecognized compensation cost related to stock options             $ 2.2    
Stock Options                  
Stock options granted (in shares) (208,000) (505,000) (883,000)       (208,000) (505,000) (883,000)
Vested and expected to vest, exercisable (in shares)             0.188    
Exercise price per share $ 27.40 $ 12.85 $ 12.36   $ 12.36   $ 27.40 $ 12.85  
Fair value of stock option grants $ 9.60 $ 4.11 $ 3.76            
Annual expected stock price volatility 32.00% 30.06% 27.86%            
Annual expected dividend yield 0.00% 0.00% 0.00%            
Risk-free interest rate 2.14% 1.50% 1.64%            
Expected life of stock option (in years) 6 years 6 years 6 years            
Historical period upon which annual expected stock price volatility is based 6 years   6 years            
Vesting period 3 years                
Stock option activity, Shares                  
Options outstanding and exercisable at the beginning of the period (in shares)           0 1,552,000 1,047,000 0
No activity (in shares)                 323,000
Conversions (in shares)                 123,000
Vested (in shares)             (125,000)    
Forfeitures (in shares)             (27,000)    
Granted (in shares) (208,000) (505,000) (883,000)       (208,000) (505,000) (883,000)
Options outstanding and exercisable at the end of the period (in shares)         1,047,000   1,608,000 1,552,000 1,047,000
Stock option activity, Weighted Average Exercise Price                  
Options outstanding and exercisable, Beginning Balance (in dollars per share)           $ 0.00 $ 12.89 $ 12.91 $ 0.00
No activity, Weighted- Average Exercise Price (in dollars per share)                 85.87
Vested, Weighted Average Grant Date Fair Value (in dollars per share)             20.67    
Forfeitures in Period, Weighted Average Exercise Price (in dollars per share)             14.45    
Granted, Weighted Average Exercise Price (in dollars per share) $ 27.40 $ 12.85 $ 12.36   $ 12.36   27.40 12.85  
Options outstanding and exercisable, Ending Balance (in dollars per share)         $ 12.91   $ 14.67 $ 12.89 $ 12.91
Stock options | Weighted Average                  
Unrecognized compensation cost                  
Weighted-average period over which unrecognized compensation costs will be recognized             1 year 2 months 12 days    
Stock options | Maximum                  
Stock Options                  
Maximum contractual term             10 years    
Daily treasury yield curve period upon which average risk-free interest rate is based 7 years                
Stock options | Minimum                  
Stock Options                  
Daily treasury yield curve period upon which average risk-free interest rate is based 5 years                
Stock options | SPX Flow, Inc | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff                  
Unvested Restricted Stock Shares and Restricted Stock Units                  
Terminations in Period (in shares)         (282,000)        
Stock option activity, Weighted Average Exercise Price                  
Terminations in Period, Weighted Average Exercise Price (in dollars per share)         $ 85.87