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Note 2 - Newly Adopted Accounting Pronouncements | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Accounting Standards Update and Change in Accounting Principle [Text Block] |
| 2. | Newly Adopted Accounting Pronouncements
Defined Benefit Plans In December 2020, we adopted ASU No. 2018-14, Compensation-Retirement Benefits- Defined Benefit Plans-General (Subtopic 715-20): Disclosure Framework-Changes to the Disclosure Requirements for Defined Benefit Plans which updates disclosure requirements for defined benefit pension and other postretirement plans. Adoption of this ASU did not have a material impact on our consolidated financial statements. Financial Instruments On January 1, 2020, we adopted ASU No. 2016-13, Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and all related amendments. This ASU improves financial reporting by requiring more timely recording of credit losses on loans and other financial instruments held by financial institutions and other organizations. Under the new guidance, the ASU requires an organization to measure all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable supportable forecasts. We evaluated the impact of this amended guidance on our consolidated financial statements and related disclosures and concluded that it is immaterial. We estimate an allowance for doubtful accounts using a loss rate method. We considered the following in determining the expected loss rate: (1) historical loss rate, (2) macroeconomic factors, and (3) creditworthiness of customers. The historical loss rate is calculated by taking the yearly write-off expense, net of collections, as a percentage of the annual average balance of trade receivables for each of the past three years. A reconciliation of the beginning and ending balance of the allowance for doubtful accounts for the years ended December 31 is as follows:
|  | 2020 |  |  | 2019 |  |  | 2018 |
Balance at beginning of year |  | $ | 3.6 |  |  | $ | 2.5 |  |  | $ | 2.4 |
Charged to costs and expenses |  |  | 2.2 |  |  |  | 2.5 |  |  |  | 0.4 |
Reclassification(1) |  |  | — |  |  |  | 0.5 |  |  |  | 0.8 |
Charged to other accounts(2) |  |  | — |  |  |  | — |  |  |  | (0.2 | )
Deductions(3) |  |  | (1.2 | ) |  |  | (1.9 | ) |  |  | (0.9 | )
Balance at end of year |  | $ | 4.6 |  |  | $ | 3.6 |  |  | $ | 2.5 |
| (1) | Includes amount reclassified between Allowance for Doubtful Accounts and Other Receivables related to a customer's open receivables balance for proper classification and acquisition-related adjustments.
| (2) | Primarily includes impact from foreign currency fluctuations.
| (3) | Includes accounts determined to be uncollectible and charged against reserves, net of collections on accounts previously charged against reserves.
Leases On January 1, 2019, we adopted ASU No. 2016-02, Leases (Topic 842). This ASU requires lessees to recognize operating lease assets and operating lease liabilities on the balance sheet. Under the new guidance, lessor accounting is largely unchanged. We have elected to adopt the standard on the modified retrospective basis. We have also elected the package of practical expedients, which permits us not to reassess our prior conclusions about lease identification, lease classification and initial direct costs. In addition, we have elected the short-term lease recognition whereby we will not recognize operating lease related assets or liabilities for leases with a lease term less than one year. We have also elected the practical expedient to not separate lease and non-lease components for our asset classes. We did not elect the hindsight practical expedient to determine the reasonably certain term of existing leases. The impact of adopting the new lease standard was the recognition of $44.8 million of lease assets and lease liabilities related to our operating leases. The adoption of the new lease standard had no impact to our Consolidated Statements of Earnings, Consolidated Statements of Cash Flows or Consolidated Statements of Equity.

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- Definition The entire disclosure for change in accounting principle. 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