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Contingencies - Additional Information (Detail) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Feb. 09, 2017 USD ($) | Oct. 06, 2016 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2017 USD ($) LegalMatter | Dec. 31, 2017 USD ($) LegalMatter Vendor | Dec. 31, 2016 USD ($) LegalMatter | Dec. 31, 2015 USD ($) LegalMatter | Dec. 31, 2014 LegalMatter
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  |  |  | $ 181,100 |  |
Product liability losses |  |  |  |  | $ 219,000 |  | $ 18,300 |
Years of activity |  |  |  |  | 5 years |  |  |
Loss Contingency, Damages Paid, Value |  |  |  | $ 25,200 |  |  |  |
Loss Contingency Accrual, Period Increase (Decrease) |  |  |  |  |  | 170,000 |  |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net |  |  |  | 111,100 | $ 111,100 |  |  |
Loss contingency, settlement, payment period |  |  |  |  | 1 year 9 months |  |  |
Asserted Cumulative Product Trauma Claims, Value |  |  |  | 8,100 | $ 8,100 |  | 6,100 |
Number of insurance carriers | Vendor |  |  |  |  | 20 |  |  |
Insurance receivables |  |  |  | 134,700 | $ 134,700 | 159,900 | 229,500 |
Notes receivable from insurance companies |  |  |  | 76,900 | 76,900 | 67,300 | 8,700 |
Reported in Notes receivable |  |  |  | 17,333 | 17,333 | 4,180 |  |
Notes receivable, insurance companies, noncurrent (Note 19) |  |  |  | 59,567 | 59,567 | 63,147 |  |
Product Warranty Expense |  |  |  |  | 13,800 | 14,000 | 15,500 |
Single Incident |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  | $ 5,400 | 5,400 | 3,400 |  |
Product liability losses |  |  |  |  | $ 2,400 | $ 800 | $ 900 |
Lawsuits |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of lawsuits | LegalMatter |  |  |  | 1,420 | 1,420 | 1,794 | 1,988 | 2,326
Insurance Claims |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Number of lawsuits | LegalMatter |  |  |  | 2,242 | 2,242 | 3,023 | 3,779 | 5,539
Cumulative Trauma, Reported Claims |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  | $ 70,000 | $ 70,000 | $ 11,100 |  |
Product liability losses |  |  |  |  | 99,800 | 30,500 | $ 12,200 |
Litigation Settlement, Amount Awarded to Other Party |  |  |  |  | 75,200 |  |  |
Claims Settled, But Not Yet Paid |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  | 54,500 | 54,500 | 3,600 |  |
Claims Asserted But Not Yet Resolved |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  | 15,500 | 15,500 | 7,500 |  |
Uninsured Cumulative Trauma |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Product liability losses |  |  |  |  | 124,500 | 300 | $ 1,000 |
Other Current Liabilities | Cumulative Trauma, Reported Claims |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  | 48,600 | 48,600 |  |  |
Other Noncurrent Liabilities | Cumulative Trauma, Reported Claims |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  | 21,400 | 21,400 |  |  |
Prepaid Expenses and Other Current Assets |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Insurance Receivables, current |  |  |  | 11,600 | 11,600 | 2,000 |  |
Other Noncurrent Assets |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Insurance receivable, noncurrent |  |  |  | 123,100 | 123,100 | $ 157,900 |  |
North River Insurance Company |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Increase (decrease) in insurance settlements receivable |  |  | $ 80,900 |  |  |  |  |
Litigation Settlement, Amount Awarded from Other Party | $ 46,900 | $ 10,900 |  |  |  |  |  |
Punitive damages | 30,000 |  |  |  |  |  |  |
Attorneys' fees | 11,800 |  |  |  | 2,000 |  |  |
Pre-judgement interest | $ 5,100 |  |  |  |  |  |  |
Settled Litigation [Member] |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Insurance receivables |  |  |  | $ 60,000 | $ 60,000 |  |  |

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