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Fair Value of Assets and Liabilities
12 Months Ended
Dec. 26, 2020
Fair Value Disclosures [Abstract]  
Fair Value of Assets and Liabilities Fair Value of Assets and Liabilities
 
For assets and liabilities measured at fair value on a recurring and nonrecurring basis, a three-level hierarchy of measurements based upon observable and unobservable inputs is used to arrive at fair value. Observable inputs are developed based on market data obtained from independent sources, while unobservable inputs reflect the Company’s assumptions about valuation based on the best information available in the circumstances. Depending on the inputs, the Company classifies each fair value measurement as follows:
 
Level 1—Valuations based on unadjusted quoted prices for identical assets or liabilities in active markets;
 
Level 2—Valuations based upon quoted prices for similar instruments, prices for identical or similar instruments in markets that are not active, or model-derived valuations, all of whose significant inputs are observable, and
 
Level 3—Valuations based upon one or more significant unobservable inputs.
 
Following is a description of the valuation methodologies used for instruments measured at fair value and their classification in the valuation hierarchy.

Cash Equivalents

Cash equivalents primarily consist of money market funds, which are held with an institution with sound credit rating and are highly liquid. The Company classified cash equivalents as Level 1 and are valued at cost, which approximates fair value.
 
Investments in Equity Securities
 
Investments in equity securities listed on a national market or exchange are valued at the last sales price and classified within Level 1 of the valuation hierarchy. Such securities are further detailed in Note 1, Summary of Significant Accounting Policies and Other Information.
 
Other Investments
The Company has certain convertible debt and convertible preferred stock investments that are accounted for under the cost method reflected in Investments and Other assets in the Consolidated Balance Sheets. During the fiscal year ended December 26, 2020 and December 28, 2019, the Company recorded impairment charges of $0.1 million and $7.3 million, respectively, in Other income, net in the Consolidated Statements of Net Income to adjust these certain investments to their estimated fair value. As of December 26, 2020 and December 28, 2019, the balances of these investments were $0.5 million and $0.4 million, respectively. The fair value of these investments are measured on a nonrecurring basis using Level 3 inputs under the fair value hierarchy. The Company's accounting and finance management determines the valuation policies and procedures for Level 3 fair value measurements and is responsible for the development and determination of unobservable inputs.

Defined Benefit Plan Assets / Non-qualified Supplemental Retirement and Savings Plan Investments
 
See Note 11, Benefit Plans, for description of valuation methodologies and investment balances for defined benefit plan assets and investments related to the Company’s Non-Qualified Supplemental Retirement and Savings Plan.
 
Foreign currency exchange forward contract

There were no changes during 2020 to the Company’s valuation techniques used to measure asset and liability fair values on a recurring basis. On October 30, 2019, the Company entered a foreign currency exchange forward contract to mitigate the currency fluctuation risk between the Chinese renminbi and U.S dollar. The foreign currency contract was not designated as a hedge instrument and was marked to market on a monthly basis. The notional value of the forward contracts at December 28, 2019 was $16.0 million and expired on May 5, 2020. On March 23, 2020, the Company unwound the foreign currency exchange forward contract entered on October 30, 2019 and recognized a gain of $0.2 million within Other income, net during the fiscal year 2020. The fair value of the foreign currency forward contract was valued using market exchange rates and classified as a Level 2 input under the fair value hierarchy. As of December 26, 2020 and December 28, 2019, the Company held no non-financial assets or liabilities that are required to be measured at fair value on a recurring basis.
 

The following table presents assets measured at fair value by classification within the fair value hierarchy as of December 26, 2020:
 
 Fair Value Measurements Using 
(in thousands)
Quoted Prices in Active Markets for Identical Assets (Level 1)Significant Other Observable Inputs (Level 2)Significant Unobservable Inputs (Level 3)Total
Cash Equivalents$73,461 $— $— $73,461 
Investments in equity securities19,186 — — 19,186 
Mutual funds13,249 — — 13,249 
Total:$105,896 $— $— $105,896 
 
The following table presents assets measured at fair value by classification within the fair value hierarchy as of December 28, 2019:
 
 Fair Value Measurements Using 
(in thousands)
Quoted Prices in Active Markets for Identical Assets (Level 1)Significant Other Observable Inputs (Level 2)Significant Unobservable Inputs (Level 3)Total
Cash Equivalents$118,999 $— $— $118,999 
Investments in equity securities12,969 — — 12,969 
Mutual funds10,464 — — 10,464 
Total:$142,432 $— $— $142,432 
 
In addition to the methods and assumptions used for the financial instruments recorded at fair value as discussed above, the following methods and assumptions are used to estimate the fair value of other financial instruments that are not marked to market on a recurring basis. The Company’s other financial instruments include cash and cash equivalents, short-term investments, trade receivables and its long-term debt. Due to their short-term maturity, the carrying amounts of cash and cash equivalents, short-term investments and trade receivables approximate their fair values. The Company’s revolving and term loan debt facilities’ fair values approximate book value at December 26, 2020 and December 28, 2019, as the rates on these borrowings are variable in nature.
 
The carrying value and estimated fair values of the Company’s Euro Senior Notes, Series A and Series B and USD Senior Notes, Series A and Series B, as of December 26, 2020 and December 28, 2019 were as follows:
 
 December 26, 2020December 28, 2019
(in thousands)
Carrying
Value
Estimated
Fair Value
Carrying
Value
Estimated
Fair Value
Euro Senior Notes, Series A due 2023$142,679 $144,323 $129,808 $131,710 
Euro Senior Notes, Series B due 2028115,850 123,588 105,400 110,336 
USD Senior Notes, Series A due 202225,000 25,437 25,000 25,054 
USD Senior Notes, Series B due 2027100,000 109,552 100,000 102,548 
USD Senior Notes, Series A due 202550,000 53,474 50,000 50,775 
USD Senior Notes, Series B due 2030125,000 138,036 125,000 127,701 

The Company recognized impairment charges of $1.9 million for the land and building and $0.3 million for a certain patent as a result of the Company’s announcement to consolidate a manufacturing facility within the Industrial segment during the first quarter of 2020. See Note 8, Restructuring, Impairment and Other Charges, for further discussion. The fair value of the land and building was valued using a real estate appraisal and classified as a Level 3 input under the fair value hierarchy.

The second quarter of 2020 goodwill impairment charge was the result of measuring a reporting unit at fair value on a nonrecurring basis as shown below:

Fiscal Year Ended December 26, 2020December 26, 2020
(in thousands)Impairment ChargeEstimated Fair Value Measurement (Level 3)Carrying Value
Goodwill$33,841$8,953$9,832 
See Note 5, Goodwill and Other Intangible Assets for further discussion regarding goodwill impairment charges.