XML 116 R102.htm IDEA: XBRL DOCUMENT v3.10.0.1
Contingencies - Additional Information (Detail)
 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2019
USD ($)
Dec. 31, 2017
USD ($)
LegalMatter
Dec. 31, 2018
USD ($)
LegalMatter
Vendor
Dec. 31, 2017
USD ($)
LegalMatter
Dec. 31, 2016
USD ($)
LegalMatter
Dec. 31, 2015
LegalMatter
Loss Contingencies [Line Items]            
Reserves for product liability claims   $ 181,100,000 $ 187,300,000 $ 181,100,000    
Years of activity     5 years      
Loss Contingency, Damages Paid, Value   25,200,000 $ 28,600,000      
Loss Contingency Accrual, Period Increase (Decrease)       111,100,000    
Loss contingency, settlement, payment period     1 year 9 months      
Number of insurance carriers | Vendor     20      
Insurance receivables   134,700,000 $ 71,700,000 134,700,000 $ 159,900,000  
Notes receivable from insurance companies   76,900,000 59,600,000 76,900,000 67,300,000  
Reported in Notes receivable   17,333,000 3,555,000 17,333,000    
Notes receivable, insurance companies, noncurrent (Note 19)   59,567,000 56,012,000 59,567,000    
Product Warranty Expense     9,400,000 13,800,000 14,000,000  
Single Incident            
Loss Contingencies [Line Items]            
Reserves for product liability claims   $ 5,400,000 3,600,000 5,400,000    
Product liability losses     $ 2,000,000 $ 2,400,000 $ 800,000  
Lawsuits            
Loss Contingencies [Line Items]            
Number of lawsuits | LegalMatter   1,420 1,481 1,420 1,794 1,988
Insurance Claims            
Loss Contingencies [Line Items]            
Number of lawsuits | LegalMatter   2,242 2,355 2,242 3,023 3,779
Cumulative Trauma, Reported Claims            
Loss Contingencies [Line Items]            
Product liability losses     $ 63,800,000 $ 219,000,000 $ 30,500,000  
Litigation Settlement, Amount Awarded to Other Party     75,200,000      
Claims Settled, But Not Yet Paid            
Loss Contingencies [Line Items]            
Reserves for product liability claims   $ 54,500,000 24,500,000 54,500,000    
Uninsured Cumulative Trauma            
Loss Contingencies [Line Items]            
Product liability losses     43,800,000 124,500,000 $ 300,000  
Other Current Liabilities | Cumulative Trauma, Reported Claims            
Loss Contingencies [Line Items]            
Reserves for product liability claims   48,600,000 38,800,000 48,600,000    
Other Noncurrent Liabilities | Cumulative Trauma, Reported Claims            
Loss Contingencies [Line Items]            
Reserves for product liability claims   132,500,000 148,500,000 132,500,000    
Prepaid Expenses and Other Current Assets            
Loss Contingencies [Line Items]            
Insurance Receivables, current   11,600,000 14,800,000 11,600,000    
Other Noncurrent Assets            
Loss Contingencies [Line Items]            
Insurance receivable, noncurrent   $ 123,100,000 $ 56,900,000 $ 123,100,000    
Subsequent Event | Scenario, Forecast [Member] | Settled Litigation [Member]            
Loss Contingencies [Line Items]            
Loss Contingency Accrual, Payments $ 7,100,000          
Loss Contingency Accrual, Number of Periodic Payments 3