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Contingencies - Additional Information (Detail) $ in Millions |  | 12 Months Ended | 36 Months Ended |
--- | --- | --- | --- | ---
Feb. 26, 2016 USD ($) | Dec. 31, 2015 USD ($) LegalMatter category Vendor | Dec. 31, 2014 USD ($) LegalMatter | Dec. 31, 2013 USD ($) LegalMatter | Dec. 31, 2015 USD ($) LegalMatter | Dec. 31, 2012 USD ($) LegalMatter
Loss Contingencies [Line Items] |  |  |  |  |  |
Number of categories of product liability losses | category |  | 2 |  |  |  |
Number of lawsuits | LegalMatter |  | 1,988 | 2,326 | 2,840 | 1,988 | 2,609
Years of activity |  | 5 years |  |  |  |
Loss contingency accrual, payment term |  | 182 days |  |  |  |
Product liability losses |  |  |  |  | $ 156.1 |
Number of insurance carriers | Vendor |  | 20 |  |  |  |
Increase (decrease) in insurance settlements receivable |  | $ 9.0 |  |  |  |
Insurance receivables |  | 229.5 | $ 220.5 | $ 124.8 | 229.5 | $ 130.0
Insurance receivable, current |  | 2.0 | 2.0 |  | 2.0 |
Insurance receivable, noncurrent |  | 227.5 | 218.5 |  | 227.5 |
Single Incident |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Reserves for product liability claims |  | 3.5 | 3.5 |  | 3.5 |
Product liability losses |  | 0.9 |  |  |  |
Cumulative Trauma |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Reserves for product liability claims |  |  | 74.9 |  |  |
Loss contingency accrual, product liability, net |  | 50.1 |  |  | 50.1 |
Cumulative Trauma, Reported Claims |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency accrual, product liability, net |  | 7.1 |  |  | $ 7.1 |
Uninsured Cumulative Trauma |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Product liability losses |  | $ 1.0 | 3.9 | $ 1.7 |  |
Other Noncurrent Liabilities | Cumulative Trauma |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Reserves for product liability claims |  |  | $ 35.1 |  |  |
Subsequent Event | Insurance Claims |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Total damages in verdict against MSA LLC | $ 7.2 |  |  |  |  |

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