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Stock-Based Compensation
12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Stock-Based Compensation Stock-Based Compensation
 
As of December 31, 2024, the Company had various stock-based awards outstanding which were issued to executives and other key employees. The Company recognizes the grant-date fair value of all stock-based awards to employees over their respective requisite service periods (generally equal to an award’s vesting period), net of estimated forfeitures. A stock-based award is considered vested for expense attribution purposes when the employee’s retention of the award is no longer contingent on providing subsequent service. For those awards that vest immediately upon retirement eligibility, the Company recognizes compensation cost immediately for retirement-eligible individuals or over the period from the grant date to the date retirement eligibility is achieved, if less than the stated vesting period.
 
The Company’s long-term incentive program for awarding stock-based compensation includes a combination of restricted stock, stock appreciation rights (“SARs”), and performance shares of the Company’s common stock pursuant to the Award Plan. Under the Award Plan, the Company may authorize up to 9.7 million shares of common stock to settle awards of restricted stock, performance shares, or SARs. The Company issues new shares to settle stock-based awards. In 2024, the Company’s grant of stock-based awards included restricted stock, SARs and performance shares.

Stock-based compensation expense recognized by the Company was $30.6 million in 2024, $26.5 million in 2023 and $24.5 million in 2022. The total income tax benefit recognized was $4.2 million in 2024, $4.0 million in 2023, and $3.9 million in 2022. The net tax windfall recorded as a result of exercise or vesting (depending on the type of award) was $7.5 million, $6.4 million, and $3.2 million in 2024, 2023 and 2022, respectively. As of December 31, 2024, there was $21.8 million, pretax, of total unrecognized compensation cost related to non-vested share-based compensation arrangements. This cost is expected to be primarily recognized through 2027.

Stock-based compensation expense is recorded in S&A expense as well as Cost of goods sold. Of the total 2024 expense, $28.8 million was recorded to S&A expense and $1.8 million was recorded to Cost of goods sold. In 2023 and 2022, $24.9 million and $23.2 million, respectively, was recorded to S&A expense and $1.6 million and $1.3 million, respectively, was recorded to Cost of goods sold. Stock-based compensation costs capitalized to inventory was $0.6 million in 2024, $0.7 million in 2023 and $0.4 million in 2022.

Each of the compensation arrangements is discussed below.

Restricted Stock  

The Company issues various types of restricted stock, of which the restricted stock awards are considered outstanding at the time of grant, as the award holders are entitled to dividends and voting rights. Unvested restricted stock awards are considered participating securities when computing earnings per share. Restricted stock unit award holders are not entitled to dividend equivalents or voting rights until settlement. Restricted stock grants are not transferable and are subject to forfeiture in the event of the recipient’s termination of employment prior to vesting.

Restricted Stock Awards Issued to Employees - Service Condition
 
Restricted stock awards that vest based upon a service condition are expensed on a straight-line basis over the requisite service period. These awards generally vest either in three equal installments on each of the first three anniversaries of the grant date or on the third year anniversary of the grant date. The fair value of these awards is measured by the average of the high and low trading prices of the Company’s common stock on the most recent trading day immediately preceding the grant date (“measurement date”).

Restricted Stock Awards Issued to Non-employee Directors
 
In 2024, 2023 and 2022, each non-employee director received a restricted stock award. These awards are made on the date of the annual meeting of shareholders and vest at the following year’s annual meeting of shareholders, or upon certain other events. The award is subject to forfeiture if the director’s service terminates prior to the date of the next regularly scheduled annual meeting of shareholders. During 2024, 2023 and 2022, the Company issued awards of 3,629 shares, 4,655 shares, and 5,952 shares, respectively, to non-employee directors.
 
Restricted Stock Awards Issued to Employees and Non-employee Directors

Activity related to both employee and non-employee restricted stock awards for the year ended December 31, 2024 is as follows (in thousands, except per share amounts):
SharesWeighted Average Grant Date Fair Value/Share
RESTRICTED STOCK AT DECEMBER 31, 2023169 $181.29 
Shares granted44 356.94 
Shares vested(54)191.53 
Shares forfeited(8)289.84 
RESTRICTED STOCK AT DECEMBER 31, 2024151 $221.92 
 
The weighted average fair value per share of restricted stock awards granted in 2024, 2023 and 2022 was $356.94, $249.36 and $187.07, respectively. The total fair value of restricted stock awards vested in 2024, 2023 and 2022 was $10.4 million, $9.7 million and $8.4 million, respectively.
 
Restricted Stock Units Issued to Employees - Service Condition
 
Restricted stock units that vest based upon a service condition are expensed on a straight-line basis over the requisite service period. These awards generally vest in three equal installments on each of the first three anniversaries of the grant date. The fair value of these awards is measured by the average of the high and low trading prices of the Company’s common stock on the measurement date reduced by the present value of dividends expected to be paid during the requisite service period.

In 2024, the Company granted 1,854 restricted stock units with a weighted average fair value per share of $341.99.

Stock Appreciation Rights

SARs grant the holder the right to receive, once vested, the value in shares of the Company’s common stock equal to the positive difference between the grant price, as determined using the mean of the high and low trading prices of the Company’s common stock on the measurement date, and the fair market value of the Company’s common stock on the date of exercise. This amount is payable in shares of the Company’s common stock. SARs vest and become exercisable in three equal installments during the first three years following the grant date and expire ten years from the grant date.
 
Activity related to SARs for the year ended December 31, 2024 is as follows (in thousands, except per share amounts):
Number of RightsWeighted Average Exercise PriceWeighted Average Remaining Contractual TermAggregate Intrinsic Value
OUTSTANDING AT DECEMBER 31, 2023627 $165.84   
Granted64 352.78   
Exercised(198)144.31   
Forfeited(4)263.24   
Canceled— 204.27 
OUTSTANDING AT DECEMBER 31, 2024489 $198.12 6.5 years$107,916 
EXERCISABLE AT DECEMBER 31, 2024323 $160.16 5.6 years$83,664 
 
The aggregated intrinsic value of SARs exercised during 2024, 2023 and 2022 was $46.2 million, $36.6 million and $21.0 million, respectively.
 
The fair value of each SAR award was measured using the Black-Scholes option pricing model.

The following table summarizes the weighted-average assumptions used in estimating the fair value of the SARs granted during the years 2024, 2023 and 2022:
Grant DateExpected Dividend YieldExpected VolatilityRisk Free Interest RateExpected TermWeighted Avg. Grant Date Fair Value of 1 SAR
20241.5%25.7%4.0%4.8 years$88.17
20231.8%28.0%3.7%4.9 years$62.79
20222.1%27.4%1.9%4.9 years$39.68
 
The expected dividend yield was calculated by dividing the Company’s expected annual dividend by the average stock price for the past three months. Expected volatilities are based on historical volatilities of the Company’s stock for a period consistent with the expected term. The expected term of SARs granted was based upon historical exercise behavior of SARs. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant for the expected term of the award.
 
Performance Shares

Performance shares represent the right to receive a share of the Company’s common stock subject to the achievement of certain market or performance conditions established by the Company’s Compensation Committee and measured over a three year period. Partial vesting in these awards may occur after separation from the Company for retirement eligible employees. Shares are not vested until approved by the Company’s Compensation Committee.

Performance Shares - Market Condition
 
In February 2024, 2023, and 2022, the Company granted performance share awards with an aggregate target payout of 8,736, 11,481 and 14,076 shares, respectively, that will vest subject to a market condition and service condition through the performance period. The market condition associated with the awards is the Company’s total shareholder return (“TSR”) compared to the TSR generated by the companies that comprise the S&P Capital Goods 900 index over a three-year performance period. Performance at target will result in vesting and issuance of the number of performance shares subject to the award, equal to 100% payout. Performance below or above target can result in issuance in the range of 0%-200% of the number of shares subject to the award. Expense is recognized irrespective of the market condition being achieved.

The fair value of the performance share awards with a market condition for these grants was determined based upon a lattice model. The following table summarizes the related assumptions used to determine the fair values of the performance share awards with a market condition granted during February 2024, 2023 and 2022:

Grant DateStock Price on Measurement DateDividend YieldExpected VolatilityRisk Free Interest RateExpected TermWeighted Avg. Grant Date Fair Value
February 2024$352.551.4%30.6%4.1%2.9 years$483.99
February 2023$241.171.9%39.4%4.1%2.9 years$279.47
February 2022$185.872.3%39.7%1.6%2.9 years$221.94

Expected volatilities are based on historical volatilities of the Company’s and members of the peer group’s stock over the expected term of the award. The risk free interest rate is based on the U.S. Treasury yield curve in effect at the time of the grant for the expected term of the award.

Performance Shares - Performance Condition

In February 2024, 2023, and 2022, the Company granted performance share awards with a target payout of 17,770, 23,316 and 28,628 shares, respectively, that will vest subject to an internal Company-based performance condition and service requirement.

Fifty percent of these performance shares subject to the award will vest based on the Company’s compounded annual growth rate of Net sales as compared to that of the companies that comprise the S&P Capital Goods 900 index. Fifty percent of these performance shares subject to the award will vest based on achieved operating profit margin performance as compared to internal targets. Each of these performance conditions is measured over the same three-year performance period. The cumulative result of these performance conditions can result in a number of shares earned in the range of 0%-200% of the target number of shares subject to the award.

The fair value of the award is measured based upon the average of the high and low trading prices of the Company’s common stock on the measurement date reduced by the present value of dividends expected to be paid during the requisite service period. The Company expenses these awards on a straight-line basis over the requisite service period and including an assessment of the performance achieved to date. The weighted average fair value per share was $341.19, $230.64 and $174.48 for the awards granted in 2024, 2023, and 2022, respectively.

Grant DateFair ValuePerformance PeriodPayout Range
February 2024$341.19Jan 2024 - Dec 2026
0-200%
February 2023$230.64Jan 2023 - Dec 2025
0-200%
February 2022$174.48Jan 2022 - Dec 2024
0-200%