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Long-term Debt - Additional Information (Detail)
€ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2018
USD ($)
Oct. 31, 2011
Oct. 31, 2018
USD ($)
Jun. 30, 2018
USD ($)
Jul. 31, 2015
USD ($)
Feb. 28, 2015
USD ($)
Jan. 31, 2019
USD ($)
Oct. 31, 2016
USD ($)
Oct. 31, 2015
USD ($)
Oct. 31, 2012
USD ($)
Jan. 31, 2019
EUR (€)
Oct. 31, 2018
EUR (€)
Mar. 31, 2017
USD ($)
Debt Instrument [Line Items]                          
Repayments of outstanding balance under syndicated revolving credit facility       $ 315,000,000                  
Outstanding balance     $ 52,200,000       $ 122,700,000            
Outstanding balance     36,111,000       36,111,000            
Term loan facility             $ 1,385,126,000            
Senior Notes [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, face amount $ 350,000,000     $ 350,000,000           $ 200,000,000      
Debt instrument, covenant compliance description             We were in compliance with all covenants at January 31, 2019.            
Outstanding balance     156,700,000       $ 156,700,000            
Senior Notes [Member] | Minimum [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, maturity period 2023-06                 2019-07      
Debt instrument, fixed interest rates 3.71%     3.71%           2.62%      
Senior Notes [Member] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, maturity period 2030-06                 2025-07      
Debt instrument, fixed interest rates 4.17%     4.17%           3.13%      
Revolving Credit Agreement [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, covenant compliance description             We were in compliance with all covenants at January 31, 2019, and the amount we could borrow under the facility would not have been limited by any debt covenants.            
Debt instrument, maturity period           2020-02              
Revolving credit facility $ 850,000,000     $ 850,000,000   $ 600,000,000              
Credit facility, term           5 years              
Outstanding balance     52,200,000       $ 122,700,000            
Revolving Credit Agreement [Member] | Swing Line Loans [Member]                          
Debt Instrument [Line Items]                          
Revolving credit facility           $ 50,000,000              
Syndicated Revolving Credit Agreement [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, maturity period           2016-12              
Three-year Note Purchase and Private Shelf Agreement [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, face amount             $ 150,000,000            
Debt instrument, covenant compliance description             We were in compliance with all covenants at January 31, 2019, and the amount we could borrow would not have been limited by any debt covenants.            
Period of agreement             3 years            
Maximum credit facility               $ 200,000,000 $ 180,000,000        
Maximum life of borrowings             12 years            
Maximum average life of borrowings             10 years            
Outstanding balance     36,111,000       $ 36,111,000            
Three-year Note Purchase and Private Shelf Agreement [Member] | Minimum [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, maturity period   2020-01                      
Three-year Note Purchase and Private Shelf Agreement [Member] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, maturity period   2020-09                      
Senior Unsecured Notes [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, covenant compliance description         We were in compliance with all covenants at January 31, 2019                
Term loan facility         $ 100,000,000                
Senior Unsecured Notes [Member] | Minimum [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, maturity period         2019-07                
Debt instrument, fixed interest rates         2.89%                
Senior Unsecured Notes [Member] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, maturity period         2027-07                
Debt instrument, fixed interest rates         3.19%                
Euro Loan, Due 2021 [Member]                          
Debt Instrument [Line Items]                          
Euro loan     16,967,000       $ 17,172,000            
Euro Loan, Due 2021 [Member] | Bank of America [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, face amount | €                       € 150,000  
Weighted average interest for borrowings             0.88%       0.88%    
Euro loan             $ 17,172,000       € 15,000    
Debt instrument, covenant compliance description             We were in compliance with all covenants at January 31, 2019.            
Term Loan Facility [Member] | Group of Banks [Member]                          
Debt Instrument [Line Items]                          
Weighted average interest for borrowings             3.42%       3.42%    
Debt instrument, covenant compliance description             We were in compliance with all covenants at January 31, 2019.            
Term loan                         $ 705,000,000
Term Loan Due in October 2021 [Member] | Group of Banks [Member]                          
Debt Instrument [Line Items]                          
Term loan                         200,000,000
Term Loan Due in March 2020 [Member] | Group of Banks [Member]                          
Debt Instrument [Line Items]                          
Term loan                         200,000,000
Repayment of term loan     $ 100,000,000                    
Term Loan Due in March 2022 [Member] | Group of Banks [Member]                          
Debt Instrument [Line Items]                          
Term loan                         $ 305,000,000
Note A and B [Member] | Three-year Note Purchase and Private Shelf Agreement [Member] | Minimum [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, fixed interest rates             2.21%       2.21%    
Note C [Member] | Three-year Note Purchase and Private Shelf Agreement [Member] | Maximum [Member]                          
Debt Instrument [Line Items]                          
Debt instrument, fixed interest rates             2.56%       2.56%