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Contingencies | 12 Months Ended
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Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Contingencies | Contingencies Product liability We face an inherent business risk of exposure to product liability claims arising from the alleged failure of our products to prevent the types of personal injury or death against which they are designed to protect. Product liability claims are categorized as either single incident or cumulative trauma. Single incident product liability claims. Single incident product liability claims involve incidents of short duration that are typically known when they occur and involve observable injuries, which provide an objective basis for quantifying damages. The Company estimates its liability for single incident product liability claims based on expected settlement costs for asserted single incident product liability claims, and an estimate of costs for single incident product liability claims incurred but not reported ("IBNR"). The estimate for IBNR claims is based on experience, sales volumes, and other relevant information. The reserve for single incident product liability claims, which includes asserted single incident product liability claims and IBNR single incident product liability claims, was $3.6 million at December 31, 2018 and $5.4 million at December 31, 2017. Single incident product liability expense was $2.0 million, $2.4 million and $0.8 million for the years ended December 31, 2018, 2017 and 2016, respectively. Single incident product liability exposures are evaluated on an annual basis, or more frequently if changing circumstances warrant. Adjustments are made to the reserve as appropriate. Cumulative trauma product liability claims. Cumulative trauma product liability claims involve exposures to harmful substances (e.g., silica, asbestos and coal dust) that occurred years ago and may have developed over long periods of time into diseases such as silicosis, asbestosis, mesothelioma, or coal worker’s pneumoconiosis. One of the Company's affiliates Mine Safety Appliances Company, LLC ("MSA LLC") was named as a defendant in 1,481 lawsuits comprised of 2,355 claims as of December 31, 2018. These lawsuits mainly involve respiratory protection products allegedly manufactured and sold by MSA LLC or its predecessors. The products at issue were manufactured many years ago and are not currently offered by MSA LLC. A summary of cumulative trauma product liability lawsuits and asserted cumulative trauma product liability claims activity is as follows:
| 2018 |  | 2017 |  | 2016
Open lawsuits, beginning of period | 1,420 |  |  | 1,794 |  |  | 1,988 |
New lawsuits | 369 |  |  | 398 |  |  | 379 |
Settled and dismissed lawsuits | (308 | ) |  | (772 | ) |  | (573 | )
Open lawsuits, end of period | 1,481 |  |  | 1,420 |  |  | 1,794 |
| 2018 |  | 2017 |  | 2016
Asserted claims, beginning of period | 2,242 |  |  | 3,023 |  |  | 3,779 |
New claims | 479 |  |  | 455 |  |  | 843 |
Settled and dismissed claims | (366 | ) |  | (1,236 | ) |  | (1,599 | )
Asserted claims, end of period | 2,355 |  |  | 2,242 |  |  | 3,023 |
More than half of the open lawsuits at December 31, 2018 have had a de minimis level of activity over the last 5 years. It is possible that these cases could become active again at any time due to changes in circumstances. Cumulative trauma product liability litigation is inherently unpredictable and MSA LLC's expense with respect to cumulative trauma product liability claims could vary significantly in future periods. Factors that limit MSA LLC's ability to estimate potential liability for cumulative trauma product liability claims include low volumes in the number of claims asserted and resolved (both in general and with respect to particular plaintiffs' counsel, as claims experience can vary significantly among different counsel), inconsistency of claims composition, uncertainty as to if and over what time periods claims might be asserted in the future, and other factors. With respect to the risk associated with any particular case that is filed against MSA LLC, it has typically not been until very late in the legal process that it can be reasonably determined whether it is probable that such a case will ultimately result in a liability. This uncertainty is caused by many factors, including consideration of the applicable statute of limitations, the sufficiency of product identification and other defenses. The complaints initially filed generally have not provided information sufficient to determine if a lawsuit will develop into an actively litigated case. Even when a case is actively litigated, it is often difficult to determine if the lawsuit will be dismissed or otherwise resolved until late in the lawsuit. Moreover, even if it is probable that such a lawsuit will result in a loss, it is often difficult to estimate the amount of actual loss that will be incurred. These actual loss amounts are highly variable and turn on a case-by-case analysis of the relevant facts, including the nature of the injury, the jurisdiction in which the claim is filed, the counsel for the plaintiff and the number of parties in the lawsuit. In addition, there are uncertainties concerning the impact of bankruptcies of other companies that are co-defendants with respect to particular claims and uncertainties surrounding the litigation process in different jurisdictions and from case to case within a particular jurisdiction. Management works with outside legal counsel quarterly to review and assess MSA LLC's exposure to asserted cumulative trauma product liability claims not yet resolved. In addition, in connection with finalizing and reporting its results of operations, management works annually (unless significant changes in trends or new developments warrant an earlier review) with an outside valuation consultant and outside legal counsel to review MSA LLC's exposure to all cumulative trauma product liability claims. The review process for asserted cumulative trauma product liability claims not yet resolved takes into account available facts for those claims, including their number and composition, outcomes of matters resolved during current and prior periods, and variances associated with different groups of claims, plaintiffs' counsel, claims filing trends, and venues, as well as any other relevant information. In August 2017, MSA LLC obtained additional detailed information about a significant number of claims that were then pending against it, including the nature and extent of the alleged injuries, product identification and other factors. MSA LLC subsequently agreed to resolve a substantial number of these claims, for $75.2 million, a portion of which was insured. Amounts in excess of estimated insurance recoveries were reflected within Other operating expense in the Consolidated Statement of Income. MSA LLC paid a total of $28.6 million and $25.2 million during 2018 and 2017, respectively. related to these settlements. MSA LLC expects to pay $7.1 million ratably over each of the next three quarters ending in the third quarter of 2019. In the fourth quarter of 2017, MSA LLC, in consultation with an outside valuation consultant and outside legal counsel, performed a review for IBNR cumulative trauma product liability claims. Based on that review process, which concluded in early 2018, it was determined that a reasonable estimate for the liability of MSA LLC's IBNR claims was $111.1 million. Accordingly, the cumulative trauma product liability reserve was increased by $111.1 million for estimated IBNR cumulative trauma product liability claims. The ability to make a reasonable estimate of the potential liability for IBNR cumulative trauma product liability claims in 2017 resulted from recent developments affecting asbestos claims, recent developments affecting silica claims, and recent developments affecting coal dust claims. Significant changes in MSA LLC’s claims experience over the last few years have resulted in stabilization of a number of factors important to the estimation process and enabled greater predictability of IBNR claims. These developments occurred as a result of changes in defense strategy implemented in recent years, increased experience in defending, negotiating, and resolving key groups of claims, and resolutions of a substantial number of cumulative trauma product liability claims in the last few years. These changes collectively resulted in MSA LLC having a more stable recent claims history that could be extrapolated into the future and greater certainty as to the number of claims that might be asserted against MSA LLC in the future, the percentage of those claims that might be resolved without payment, and the potential settlement value of those claims that are not resolved without payment. All of these factors were considered by MSA LLC’s valuation consultant in estimating the IBNR cumulative trauma product liability claims. MSA LLC, taking into account the analysis and estimates developed by its consultant, concluded that reasonable estimates for its IBNR asbestos, silica and coal dust claims could be made and that the liability described above was accrued. There remains considerable uncertainty in numerous aspects of MSA LLC's potential future claims experience, such as with respect to the number of claims that might be asserted, the alleged severity of those claims and the average settlement values of those claims, and that uncertainty may cause actual claims experience in the future to vary from the current estimate. Numerous uncertainties also exist with respect to factors not specific to MSA LLC’s claims experience, including potential legislative or judicial changes at the federal level or in key states concerning claims adjudication, future bankruptcy proceedings involving key co-defendants, payments from trusts established to compensate claimants, and/or changes in medical science relating to the diagnosis and treatment of cumulative trauma product liability claims. If future estimates of asserted cumulative trauma product liability claims not yet resolved and/or IBNR cumulative trauma product liability claims are materially higher (lower) than the accrued liability, we will record an appropriate charge (credit) to the Consolidated Statement of Income to increase (decrease) the accrued liability. Certain significant assumptions underlying the material components of the accrual for IBNR cumulative trauma product liability claims include MSA LLC's experience related to the following:
• | The types of illnesses alleged by claimants to give rise to their claims;
• | The number of claims asserted against MSA LLC;
• | The propensity of claimants and their counsel asserting cumulative trauma product liability claims to name MSA LLC as a defendant;
• | The percentage of cumulative trauma product liability claims asserted against MSA LLC that are dismissed without payment;
• | The average value of settlements paid to claimants; and
• | The jurisdiction in which claims are asserted.
Additional assumptions include the following:
• | MSA LLC will continue to evaluate and handle cumulative trauma product liability claims in accordance with its existing defense strategy;
• | The number and effect of co-defendant bankruptcies will not materially change in the future;
• | No material changes in medical science occur with respect to cumulative trauma product liability claims; and
• | No material changes in law occur with respect to cumulative trauma product liability claims including, in particular, no material state or federal tort reform actions affecting such claims.
Total cumulative trauma product liability reserve was $187.3 million, including $24.5 million for claims settled but not yet paid and related defense costs, as of December 31, 2018 and $181.1 million, including $54.5 million for claims settled but not yet paid and related defense costs, as of December 31, 2017. This reserve includes estimated amounts for asserted claims not yet resolved and IBNR claims. Those estimated amounts reflect asbestos, silica, and coal dust claims expected to be asserted through the year 2069 and are not discounted to present value. The Company revised its estimates of MSA LLC's potential liability for cumulative trauma product liability claims for the current year as a result of its annual review process described above. The revisions to the Company’s estimates of potential liability for cumulative trauma product liability claims are based on an assessment of trends in the tort system generally and changes in MSA LLC’s claims experience over the past year, including the number of claims asserted, average value of settlements paid to claimants, the number and percentage of claims resolved with payment, the jurisdiction in which claims are asserted, and the counsel asserting such claims. The reserve does not include amounts which will be spent to defend the claims covered by the reserve. Defense costs are recognized in the Consolidated Statement of Income as incurred. At December 31, 2018, $38.8 million of the total reserve for cumulative trauma product liability claims is recorded in the Insurance and product liability line within other current liabilities in the Consolidated Balance Sheet and the remainder, $148.5 million, is recorded in the Product liability and other noncurrent liabilities line. At December 31, 2017, $48.6 million of the total reserve for cumulative trauma product liability claims is recorded in the Insurance and product liability line within other current liabilities in the Consolidated Balance Sheet and the remainder, $132.5 million, is recorded in the Product liability and other noncurrent liabilities line. Because litigation is subject to inherent uncertainties, and unfavorable rulings or developments could occur, there can be no certainty that MSA LLC may not ultimately incur charges in excess of presently recorded liabilities. The reserve for liabilities relating to cumulative trauma product liability claims may be adjusted from time to time based on whether the actual number, types, and settlement value of claims differs from current projections and estimates, and other developing facts and circumstances. These adjustments may reflect changes in estimates for asserted cumulative trauma product liability claims not yet resolved and/or IBNR cumulative trauma product liability claims. These adjustments may be material and could materially impact our consolidated financial statements in future periods. Insurance Receivable and Notes Receivable, Insurance Companies In the normal course of business, MSA LLC makes payments to settle various claims and for related defense costs and records receivables for the estimated amounts that are covered by insurance. With respect to cumulative trauma product liability claims, MSA LLC purchased insurance policies for the policy years from 1952-1986 from over 20 different insurance carriers that, subject to some common contract exclusions, provided coverage for cumulative trauma product liability losses and, in many instances, related defense costs (the "Occurrence-Based Policies"). The Occurrence-Based Policies have significant per claim retentions and applicable exclusions for cumulative trauma product liability claims after April 1986. While we continue to pursue reimbursement under certain policies, the vast majority of these insurance policies have been exhausted, settled or converted into negotiated coverage-in-place agreements with the applicable insurers (the "Coverage-In-Place Agreements"). As a result, MSA LLC is now largely self-insured for cumulative trauma product liability claims. Since MSA LLC is now largely self-insured for cumulative trauma product liability claims, additional amounts recorded as insurance receivables will be limited and based on calculating the amounts to be reimbursed pursuant to negotiated Coverage-In-Place Agreements. Various factors could affect the timing and amount of recovery of the insurance receivables, including assumptions regarding claims composition (which are relevant to calculating reimbursement under the terms of certain Coverage-In-Place Agreements) and the extent to which the issuing insurers may become insolvent in the future. Insurance receivables at December 31, 2018 totaled $71.7 million, of which $14.8 million is reported in Prepaid expenses and other current assets in the Consolidated Balance Sheet and $56.9 million is reported in Insurance receivable and other noncurrent assets. Insurance receivables at December 31, 2017 totaled $134.7 million, of which $11.6 million was reported in Prepaid expenses and other current assets in the Consolidated Balance Sheet and $123.1 million was reported in Insurance receivable and other noncurrent assets. The vast majority of the $71.7 million insurance receivable balance at December 31, 2018 is attributable to reimbursement believed to be due under the terms of signed Coverage-In-Place Agreements. A summary of Insurance receivable balances and activity related to cumulative trauma product liability losses is as follows:
(In millions) |  | 2018 |  | 2017
Balance beginning of period |  | $ | 134.7 |  |  | $ | 159.9 |
Additions |  | 19.6 |  |  | 94.6 |
Collections, settlements converted to notes receivable and other adjustments |  | (82.6 | ) |  | (119.8 | )
Balance end of period |  | $ | 71.7 |  |  | $ | 134.7 |
Additions to insurance receivables in the above table represent insured cumulative trauma product liability losses and related defense costs which we believe are covered by the Occurrence-Based Policies or applicable Coverage-In-Place Agreements. Collections of the receivables primarily occur pursuant to the terms of negotiated agreements with the insurance companies, either in a lump sum, in installments over time, or to reimburse a portion of future expense once incurred (i.e. pursuant to a Coverage-In-Place Agreement). In some cases, payment streams due pursuant to negotiated settlement agreements were converted to formal notes receivable from insurance companies. The notes receivable were recorded as a transfer from the Insurance receivable balance to the Notes receivable, insurance companies (current and noncurrent) in the Consolidated Balance Sheet. In cases where the payment stream covers multiple years and there were no contingencies, the present value of the payments was recorded as a transfer from the insurance receivable balance to the Notes receivable, insurance companies (current and long-term) in the Consolidated Balance Sheet. Provided the remaining insurance receivable was recoverable through the insurance carriers, no gain or loss was recognized at the time of transfer from Insurance receivable to Notes receivable, insurance companies. Notes receivable from insurance companies at December 31, 2018 totaled $59.6 million, of which $3.6 million is reported in Notes receivable, insurance companies, current on the Consolidated Balance Sheet and $56.0 million is reported in Notes receivable, insurance companies, noncurrent. Notes receivable from insurance companies at December 31, 2017 totaled $76.9 million, of which $17.3 million was reported in Notes receivable, insurance companies, current on the Consolidated Balance Sheet and $59.6 million was reported in Notes receivable, insurance companies, noncurrent. A summary of Notes receivable, insurance companies balances is as follows:
|  | December 31,
(In millions) |  | 2018 |  | 2017
Balance beginning of period |  | $ | 76.9 |  |  | $ | 67.3 |
Additions |  | 1.7 |  |  | 35.1 |
Collections |  | (19.0 | ) |  | (25.5 | )
Balance end of period |  | $ | 59.6 |  |  | $ | 76.9 |
The collectibility of MSA LLC's insurance receivables and notes receivable is regularly evaluated and we believe that the amounts recorded are probable of collection. The determination that the recorded insurance receivables are probable of collection is based on the terms of the settlement agreements reached with the insurers, assumptions regarding various aspects of the composition of future claims (which are relevant to calculating reimbursement under the terms of certain Coverage-In-Place Agreements), the financial ability of the insurance carriers to pay the claims, and the advice of MSA LLC's outside legal counsel. Total cumulative trauma liability losses were $63.8 million, $219.0 million, and $30.5 million for the years ended December 31, 2018, 2017 and 2016, respectively. Uninsured cumulative trauma product liability losses which were included in Other operating expense on the Consolidated Statement of Income during the years ended December 31, 2018, 2017 and 2016 were $43.8 million, $124.5 million and $0.3 million, respectively. Insurance Litigation For more than a decade, MSA LLC was engaged in coverage litigation with many of its insurance carriers that issued Occurrence-Based Policies. In July 2010, MSA LLC (as Mine Safety Appliances Company) filed a lawsuit in the Superior Court of the State of Delaware seeking declaratory and other relief concerning the future rights and obligations of MSA LLC and its excess insurance carriers under various insurance policies. During the same time period, MSA LLC was also engaged in coverage disputes with The North River Insurance Company (“North River”) in various courts. Since 2010, MSA LLC reached negotiated resolutions with the vast majority of the insurance carriers once in litigation, including the July 2018 settlement with North River disclosed below. In February 2017, MSA LLC resolved through a negotiated settlement its coverage litigation with The Hartford ("Hartford"). Additionally, in April 2017, MSA LLC resolved through negotiated settlements its coverage litigation with Travelers Insurance Company ("Travelers") and Wausau Indemnity Company ("Wausau"). Each of the settling carriers agreed to cash payments which were made in 2017 or January 2018. In addition, Travelers has agreed to pay a percentage of future cumulative trauma product liability settlements paid as incurred on a claim-by-claim basis. As part of these settlements, MSA LLC dismissed all claims against Hartford, Travelers and Wausau in the coverage litigation in the Superior Court of the State of Delaware. In July 2018, MSA LLC resolved through a negotiated settlement its remaining coverage litigation with North River. As part of this settlement, in October 2018, MSA LLC dismissed all claims and appeals against North River in each of the pending coverage actions. This represents a settlement with MSA LLC’s last major Occurrence-Based insurance carrier. Payment under this negotiated settlement was received in the third quarter of 2018 and was accounted for as a reduction of the insurance receivable balance. Product Warranty The Company provides warranties on certain product sales. Product warranty reserves are established in the same period that revenue from the sale of the related products is recognized, or in the period that a specific issue arises as to the functionality of a Company's product. The determination of such reserves requires the Company to make estimates of product return rates and expected costs to repair or to replace the products under warranty. The amounts of the reserves are based on established terms and the Company's best estimate of the amounts necessary to settle future and existing claims on products sold as of the balance sheet date. If actual return rates and/or repair and replacement costs differ significantly from estimates, adjustments to recognize additional cost of sales may be required in future periods. The following table reconciles the changes in the Company's accrued warranty reserve:
|  | December 31,
(In thousands) |  | 2018 |  | 2017 |  | 2016
Beginning warranty reserve |  | $ | 14,753 |  |  | $ | 11,821 |  |  | $ | 10,296 |
Warranty payments |  | (9,955 | ) |  | (10,905 | ) |  | (12,524 | )
Warranty claims |  | 10,585 |  |  | 12,471 |  |  | 11,574 |
Provision for product warranties and other adjustments |  | (1,169 | ) |  | 1,366 |  |  | 2,475 |
Ending warranty reserve |  | $ | 14,214 |  |  | $ | 14,753 |  |  | $ | 11,821 |
Warranty expense for the years ended December 31, 2018, 2017 and 2016 was $9.4 million, $13.8 million and $14.0 million, respectively.

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