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Contingencies - Additional Information (Detail) $ in Thousands |  |  |  | 12 Months Ended | 36 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 09, 2017 USD ($) | Oct. 06, 2016 USD ($) | Feb. 26, 2016 USD ($) | Dec. 31, 2016 USD ($) LegalMatter category trauma_claim Vendor | Dec. 31, 2015 USD ($) LegalMatter | Dec. 31, 2016 USD ($) LegalMatter trauma_claim | Dec. 31, 2015 USD ($) LegalMatter | Dec. 31, 2014 USD ($) LegalMatter | Dec. 31, 2013 USD ($) LegalMatter
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of categories of product liability losses | category |  |  |  | 2 |  |  |  |  |
Increase (decrease) in insurance settlements receivable |  |  |  |  |  | $ 150,900 |  |  |
Number of lawsuits | LegalMatter |  |  |  | 1,794 |  | 1,794 |  |  |
Number of cumulative trauma claims covered by lawsuits | trauma_claim |  |  |  | 3,023 |  | 3,023 |  |  |
Years of activity |  |  |  | 5 years |  |  |  |  |
Number of insurance carriers | Vendor |  |  |  | 20 |  |  |  |  |
Insurance receivables |  |  |  | $ 159,900 | $ 229,500 | $ 159,900 | $ 229,500 | $ 220,500 | $ 124,800
Notes receivable, insurance companies (Note 19) |  |  |  | 2,000 | 2,000 | 2,000 | 2,000 |  |
Insurance receivable, noncurrent |  |  |  | 157,900 | 227,500 | 157,900 | 227,500 |  |
Notes receivable from insurance companies |  |  |  | 67,300 | 8,700 | 67,300 | 8,700 | $ 16,200 |
Reported in Notes receivable |  |  |  | 4,180 | 6,746 | 4,180 | 6,746 |  |
Insurance receivable, noncurrent |  |  |  | 63,147 | 1,944 | 63,147 | 1,944 |  |
Single Incident |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  | 3,400 | 3,500 | 3,400 | 3,500 |  |
Cumulative Trauma, Reported Claims |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  | 11,100 |  | 11,100 |  |  |
Loss contingency accrual, product liability, net |  |  |  | 7,500 | 7,100 | $ 7,500 | 7,100 |  |
Total damages in verdict against MSA LLC |  |  |  | $ (400) |  |  |  |  |
Uninsured Cumulative Trauma |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Product liability losses |  |  |  |  | $ 900 |  | $ 800 |  |
Insurance Claims |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of lawsuits | LegalMatter |  |  |  | 3,023 | 3,779 | 3,023 | 3,779 | 5,539 | 8,941
Total damages in verdict against MSA LLC |  |  | $ (7,200) |  |  |  |  |  |
Compensatory Damages, Insured |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Total damages in verdict against MSA LLC |  |  | (3,200) |  |  |  |  |  |
Punitive Damages, Uninsured |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Total damages in verdict against MSA LLC |  |  | $ (4,000) |  |  |  |  |  |
Other Noncurrent Liabilities | Cumulative Trauma |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Reserves for product liability claims |  |  |  | $ 300 | $ 1,000 | $ 300 | $ 1,000 | $ 3,900 |
North River Insurance Company |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Total damages in verdict against MSA LLC |  | $ (10,900) |  |  |  |  |  |  |
Subsequent Event | North River Insurance Company |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Total damages in verdict against MSA LLC | $ (46,900) |  |  |  |  |  |  |  |
Punitive damages | 30,000 |  |  |  |  |  |  |  |
Attorneys' fees | 11,800 |  |  |  |  |  |  |  |
Pre-judgement interest | $ 5,100 |  |  |  |  |  |  |  |

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