XML 87 R67.htm IDEA: XBRL DOCUMENT v3.20.1
Contingencies (Details) - USD ($)
$ in Millions
3 Months Ended 37 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Apr. 24, 2018
Mar. 31, 2020
Apr. 30, 2022
Jun. 30, 2018
Loss Contingencies [Line Items]            
Loss contingency, possible loss suspension       $ 15.0    
Other Current Liabilities            
Loss Contingencies [Line Items]            
Loss contingency accrual       3.5    
Other Noncurrent Liabilities            
Loss Contingencies [Line Items]            
Loss contingency accrual       7.0    
Civil Penalty            
Loss Contingencies [Line Items]            
Litigation settlement payment $ 3.5 $ 1.0        
Loss contingency accrual       10.5   $ 15.0
Civil Penalty | Maximum            
Loss Contingencies [Line Items]            
Loss contingency, estimate of possible loss     $ 30.0      
Loss contingency, possible loss suspension     $ 15.0      
Product Quality Matters | Other Current Liabilities            
Loss Contingencies [Line Items]            
Loss contingency accrual       3.0    
Product Quality Matters | Minimum            
Loss Contingencies [Line Items]            
Loss contingency, estimate of possible loss       3.0    
Product Quality Matters | Maximum            
Loss Contingencies [Line Items]            
Loss contingency, estimate of possible loss       $ 9.6    
Subsequent Event            
Loss Contingencies [Line Items]            
Litigation settlement payment         $ 3.5