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Impact of the COVID-19 Pandemic - Additional Information (Details) - Covid 19 - USD ($)
$ in Millions
3 Months Ended 4 Months Ended
Jul. 31, 2020
Apr. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Unusual Or Infrequent Item [Line Items]        
Impairment charges related to goodwill   $ 133.7    
Impairment charges related to intangible assets   $ 22.2    
North America        
Unusual Or Infrequent Item [Line Items]        
Percentage of workforce furloughing     80.00%  
Revolving Credit Facility        
Unusual Or Infrequent Item [Line Items]        
Line of credit facility additional borrowing capacity       $ 30.9
Repayment of revolving credit facility $ 36.8