Conditional Target Number Of Shares Earned, Percentage

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- Definition

Incremental Share-based Compensation, Number of Installments

+ References

No definition available.

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- Definition

Performance and Market Measurement Period

+ References

No definition available.

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- Definition

Share-based Payment Arrangement, Plan Modification, Incremental Cost, Unamortized

+ References

No definition available.

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- Definition

Targeted Number of Shares, Quantity that will Vest, Percentage

+ References

No definition available.

+ Details

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

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-Section S99
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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

+ Details

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

+ Details

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

+ Details

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Balance Type:	na
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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

+ References

+ Details

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- Definition

Number of grantees affected by modification of award under share-based payment arrangement.

+ References

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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- Definition

Number of share options (or share units) exercised during the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Stock-Based Compensation (Narrative) (Details) $ / shares in Units, $ in Thousands			3 Months Ended		12 Months Ended
	Mar. 15, 2021 shares	Dec. 30, 2020 USD ($) employee $ / shares	Mar. 31, 2022 USD ($) item $ / shares shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 item shares
Stock Options And SOSARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted			79,000
Shares forfeited			5,000
Grant date fair value \| $ / shares			$ 452.29
Granted, weighted-average exercise price \| $ / shares			$ 1,578.00
Shares exercised			26,000
Weighted-average Black-Scholes fair value per share at date of grant \| $ / shares			$ 452.29
Stock Options And SOSARs [Member] \| Vesting Period 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Stock Options And SOSARs [Member] \| Vesting Period 2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted			27,000
Shares forfeited			2,000
Grant date fair value \| $ / shares			$ 1,578.00
Units vested			20,000
Weighted-average Black-Scholes fair value per share at date of grant \| $ / shares			$ 1,578.00
Restricted Stock Units [Member] \| Vesting Period 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Member] \| Vesting Period 2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value \| $ / shares			$ 1,578.00
Units vested			47,000
Units forfeited			0
Performance shares granted			21,000
Weighted-average Black-Scholes fair value per share at date of grant \| $ / shares			$ 1,578.00
Performance and market measurement period			3 years
Performance Shares [Member] \| 2018 Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of installments \| item			4
Units vested	29,000
Number of employees affected by modified service requirements \| employee		7
Modified service requirements expense \| $		$ 71,441
Stock-based compensation expense \| $			$ 2,756	$ 24,366
Modified service requirements expense, unamortized \| $			$ 5,635
Stock price \| $ / shares		$ 1,374.17
Performance Shares [Member] \| First Half Vested [Member] \| 2018 Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of installments \| item					2
Units vested					33,000
Performance Shares [Member] \| Defined Minimum Targets Not Met [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units vested			0
Minimum [Member] \| Performance Shares [Member] \| Vesting Period 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Targeted number of shares, quantity that will vest, percentage			0.00%
Maximum [Member] \| Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target number of shares to be earned if certain criteria is met			100.00%
Maximum [Member] \| Performance Shares [Member] \| Vesting Period 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Targeted number of shares, quantity that will vest, percentage			300.00%