v3.24.0.1
Debt (Details)
12 Months Ended
Jan. 06, 2022
Jan. 20, 2021
USD ($)
Jan. 31, 2024
USD ($)
Jan. 31, 2023
USD ($)
Jan. 31, 2022
USD ($)
Jan. 04, 2021
USD ($)
Apr. 30, 2019
USD ($)
Line of Credit Facility [Line Items]              
Interest expense     $ 25,756,000 $ 25,319,000 $ 25,231,000    
A&R Credit Agreement              
Line of Credit Facility [Line Items]              
Minimum consolidated interest coverage ratio     3        
Maximum total leverage ratio     5.50        
Maximum total leverage ratio, stepped down     3.50        
A&R Credit Agreement | Minimum              
Line of Credit Facility [Line Items]              
Commitment fee percentage 0.15%            
A&R Credit Agreement | Maximum              
Line of Credit Facility [Line Items]              
Commitment fee percentage 0.25%            
3.00% Senior Notes | Senior Notes              
Line of Credit Facility [Line Items]              
Aggregate principal amount   $ 750,000,000          
Stated interest rate   3.00%          
Percentage of original principal amount   40.00%          
Proceeds from issuance of Senior Notes, net of debt financing costs   $ 738,000,000          
Underwriting commissions   9,400,000          
Payments of financing costs   $ 2,600,000          
Interest expense     $ 24,000,000 24,000,000      
Debt instrument, fair value     671,200,000 $ 645,400,000      
3.00% Senior Notes | Senior Notes | Prior to February 15, 2024 | Plus "Make Whole" Premium              
Line of Credit Facility [Line Items]              
Redemption percentage   100.00%          
3.00% Senior Notes | Senior Notes | Prior to February 15, 2024 | Proceeds From Equity Offering, Provided Principal Amount of Redemptions Does Not Exceed 40%              
Line of Credit Facility [Line Items]              
Redemption percentage   103.00%          
3.00% Senior Notes | Senior Notes | After February 15, 2024              
Line of Credit Facility [Line Items]              
Redemption percentage   101.50%          
3.00% Senior Notes | Senior Notes | After February 15, 2025              
Line of Credit Facility [Line Items]              
Redemption percentage   100.75%          
3.00% Senior Notes | Senior Notes | After February 15, 2026              
Line of Credit Facility [Line Items]              
Redemption percentage   100.00%          
3.00% Senior Notes | Senior Notes | Change of control event              
Line of Credit Facility [Line Items]              
Redemption percentage   101.00%          
Revolving Credit Facility              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity             $ 150,000,000
Line of credit amount outstanding     $ 0        
Revolving Credit Facility | A&R Credit Agreement              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity           $ 750,000,000  
Incremental borrowing capacity           250,000,000  
Letter of Credit              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity             10,000,000
Letter of Credit | A&R Credit Agreement              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity           100,000,000  
Swingline Facility              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity             $ 10,000,000
Swingline Facility | A&R Credit Agreement              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity           $ 50,000,000  
Alternate Base Rate Loans | A&R Credit Agreement | Fed Funds Effective Rate Overnight Index Swap Rate              
Line of Credit Facility [Line Items]              
Interest rate 0.50%            
Alternate Base Rate Loans | A&R Credit Agreement | Eurodollar              
Line of Credit Facility [Line Items]              
Interest rate 1.00%            
Alternate Base Rate Loans | A&R Credit Agreement | Eurodollar | Minimum              
Line of Credit Facility [Line Items]              
Interest rate (25.00%)            
Alternate Base Rate Loans | A&R Credit Agreement | Eurodollar | Maximum              
Line of Credit Facility [Line Items]              
Interest rate 0.25%