XML 67 R52.htm IDEA: XBRL DOCUMENT v3.20.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
May 31, 2020
Summary Of Significant Accounting Policies [Line Items]        
Allowance for doubtful accounts $ 36,500,000 $ 19,900,000    
Equity method investments 100,000,000.0 95,200,000    
Foreign currency gain (loss) (8,200,000) (13,500,000) $ (5,700,000)  
Maximum recurring transfer       $ 150,000,000.0
Accounts receivable 969,300,000 1,149,900,000    
Deferred pre-production costs $ 87,000,000.0 $ 88,000,000.0    
Preferred stock, shares authorized (in shares) 1,000,000.0 1,000,000.0    
Preferred stock, shares issued (in shares) 0 0    
Preferred stock, shares outstanding (in shares) 0 0    
Collateral Pledged        
Summary Of Significant Accounting Policies [Line Items]        
Accounts receivable $ 114,000,000.0      
Unbilled receivables $ 19,700,000