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Long-Term Debt - Term Loans (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 30, 2017
Feb. 28, 2018
AUD ($)
Dec. 31, 2017
USD ($)
Feb. 28, 2017
USD ($)
Mar. 31, 2018
USD ($)
Jun. 30, 2018
USD ($)
Jul. 01, 2017
USD ($)
Mar. 31, 2017
USD ($)
Nov. 30, 2016
USD ($)
Debt Instrument                  
Payments of long-term debt           $ 10,237,000 $ 384,220,000    
Write off of debt issuance cost             $ 6,097,000    
Capital lease obligation         $ 20,400,000        
Term Loan | Domoferm                  
Debt Instrument                  
Long-term debt           6,200,000      
Long-term debt acquired           7,600,000      
Capital lease obligation           $ 2,100,000      
Term Loan | Minimum | Domoferm                  
Debt Instrument                  
Debt instrument, variable rate           1.25%      
Term Loan | Maximum | Domoferm                  
Debt Instrument                  
Debt instrument, variable rate           3.65%      
Term Loan | Term Loan                  
Debt Instrument                  
Debt instrument face amount     $ 440,000,000.0           $ 375,000,000.0
Debt issuance costs     700,000         $ 1,100,000 $ 8,100,000
Payments of long-term debt     787,400,000 $ 375,000,000.0          
Write off of debt issuance cost     15,400,000 5,200,000          
Write off of debt discount     5,900,000 $ 900,000          
Bank fees     $ 1,700,000            
Debt instrument, interest rate floor 1.00%   0.00%            
Debt Instrument, periodic principal repayment percentage     0.25%            
Debt instrument, periodic payment principal amount     $ 1,100,000            
Long term debt principal amount outstanding           $ 437,800,000      
Long-term debt     $ 440,568,000     491,935,000      
Term Loan | Term Loan | LIBOR | Minimum                  
Debt Instrument                  
Debt instrument, variable rate 2.75%   1.75%            
Term Loan | Term Loan | LIBOR | Maximum                  
Debt Instrument                  
Debt instrument, variable rate 3.00%   2.00%            
Term Loan | Australian Facility | Secured Debt                  
Debt Instrument                  
Increase in borrowing capacity   $ 55,000,000.0              
Unused commitment fee, percentage   1.25%              
Long-term debt           36,900,000      
Term Loan | Australian Facility | BBSY | Minimum | Secured Debt                  
Debt Instrument                  
Debt instrument, variable rate   1.00%              
Term Loan | Australian Facility | BBSY | Maximum | Secured Debt                  
Debt Instrument                  
Debt instrument, variable rate   1.10%              
Term Loan | Acquired Facilities | ABS                  
Debt Instrument                  
Long-term debt           $ 10,600,000      
Long-term debt acquired         $ 11,600,000        
Term Loan | Acquired Facilities | LIBOR | Minimum | ABS                  
Debt Instrument                  
Debt instrument, variable rate         1.85%        
Term Loan | Acquired Facilities | LIBOR | Maximum | ABS                  
Debt Instrument                  
Debt instrument, variable rate         2.00%