XML 47 R37.htm IDEA: XBRL DOCUMENT
v3.23.3

Stock-Based Compensation (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award | A combined summary of activity in our active stock plans is presented in the table below. Performance stock units outstanding are presented assuming attainment of the maximum payout rate as set forth by the performance criteria. As of September 30, 2023, there were 518,746 shares remaining available for grant for future stock-based compensation awards.
|  | Deferred Stock Units Outstanding |  | Non-Vested Restricted Stock Units Outstanding |  | Performance Stock Units Outstanding |  | Stock Options Outstanding
|  | Number of Units |  | Weighted- Average Fair Value at Grant |  | Number of Units |  | Weighted- Average Fair Value at Grant |  | Number of Units |  | Weighted- Average Fair Value at Grant |  | Number of Shares |  | Weighted- Average Exercise Price
Balance, January 1, 2023 |  | 45,661 |  |  | $ | 87.15 |  |  | 465,319 |  |  | $ | 105.36 |  |  | 213,749 |  |  | $ | 96.20 |  |  | 616,227 |  |  | $ | 71.27 |
Granted |  | 8,503 |  |  | 103.47 |  |  | 2,941 |  |  | 125.16 |  |  | — |  |  | — |  |  | — |  |  | — |
Exercised/vested |  | — |  |  | — |  |  | (1,957) |  |  | 91.96 |  |  | (28,151) |  |  | 85.74 |  |  | (42,388) |  |  | 71.76 |
Forfeited/expired |  | — |  |  | — |  |  | (6,480) |  |  | 115.63 |  |  | (18,254) |  |  | 85.74 |  |  | — |  |  | — |
Balance, September 30, 2023 |  | 54,164 |  |  | 89.71 |  |  | 459,823 |  |  | 105.40 |  |  | 167,344 |  |  | 99.10 |  |  | 573,839 |  |  | 71.24 |
Shares Issued in Connection with Stock Compensation Awards | Shares issued in connection with stock compensation awards along with other related information were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
New shares issued from available authorized shares | — |  |  | — |  |  | 49,887 |  |  | — |
Shares issued from available treasury stock | 8,483 |  |  | 88,350 |  |  | 22,609 |  |  | 232,612 |
Proceeds from stock option exercises | $ | 596 |  |  | $ | 5,270 |  |  | $ | 3,042 |  |  | $ | 11,760 |
Share-based Payment Arrangement, Cost by Plan | Stock-based compensation expense or benefit and the related income tax benefit is presented in the following table. The service period for performance stock units granted each year begins on January 1 of the following year.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
Non-vested stock units | $ | 2,423 |  |  | $ | 2,174 |  |  | $ | 8,594 |  |  | $ | 6,823 |
Deferred stock units | — |  |  | — |  |  | 880 |  |  | 720 |
Performance stock units | 688 |  |  | 999 |  |  | 3,172 |  |  | 1,160 |
Total | $ | 3,111 |  |  | $ | 3,173 |  |  | $ | 12,646 |  |  | $ | 8,703 |
Income tax benefit | $ | 531 |  |  | $ | 440 |  |  | $ | 2,399 |  |  | $ | 1,760 |
Unrecognized Stock-Based Compensation Expense | Unrecognized stock-based compensation expense at September 30, 2023 is presented in the table below. Unrecognized stock-based compensation expense related to performance stock units is presented assuming attainment of the maximum payout rate as set forth by the performance criteria.
Non-vested stock units | $ | 12,839 |
Performance stock units | 6,341 |
Total | $ | 19,180 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cost not yet recognized and weighted-average period over which cost is expected to be recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (i) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration