XML 158 R47.htm IDEA: XBRL DOCUMENT v3.22.4

Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

SARs/Stock Options Roll Forward

The following table summarizes the Company's SARs activity during 2022:

(Shares in thousands)						Number of SARs						Weighted- average Exercise Price Per Share						Aggregate Intrinsic Value (thousands)						Weighted- average Remaining Term (Years)
Outstanding at December 31, 2021						260						$	51.55
Granted						45						80.85
Exercised						(49)						42.83
Cancelled						—						—
Outstanding at December 31, 2022						256						58.38						$	7,448					3.8
Vested and expected to vest as of December 31, 2022						256						58.38						7,448						3.8
Exercisable at December 31, 2022						160						50.56						5,928						2.8

SARs/Stock Options Nonvested Share Activity

A summary of the status and changes of shares subject to SARs and the related average price per share follows:

(Shares in thousands)						Number of SARs						Weighted- average Grant Date Fair Value
Nonvested as of December 31, 2021						100						$	17.98
Granted						45						25.87
Vested						(50)						17.47
Cancelled						—						—
Nonvested as of December 31, 2022						95						$	21.97

SARS/Stock Options, Valuation Assumptions

The fair value of the SARs was estimated on the grant date using the Black-Scholes pricing model with the following assumptions:

						2022						2021						2020
Risk-free interest rate						1.56		%				0.57		%				1.41		%
Dividend yield						0.6		%				0.7		%				0.9		%
Volatility						38.5		%				37.6		%				31.8		%
Expected lives (in years)						4.4						4.6						4.8

Summary of Restricted Stock Activity

The following table summarizes the stock-settled RSU activity during 2022:

(Shares in thousands)						Number of Shares						Weighted- average Grant Date Fair Value
Outstanding at December 31, 2021						162						$	59.23
Granted						61						80.96
Vested						(49)						58.29
Forfeited						(9)						64.91
Outstanding at December 31, 2022						165						$	67.31

Schedule of Share-based Compensation, Performance Based Restricted Stock Unit Activity

The following table summarizes the activity related to performance-based RSUs during 2022:

(Shares in thousands)						Number of Shares						Weighted- average Grant Date Fair Value
Outstanding at December 31, 2021						119						$	70.77
Granted						38						95.44
Vested						(43)						69.84
Forfeited						(3)						79.01
Outstanding at December 31, 2022						111						$	79.31

X

- Definition

[Table Text Block] for Schedule of Share-based Compensation, Performance Based Restricted Stock Unit Activity [Table]

+ References

No definition available.

+ Details

Name:	mtrn_ScheduleOfShareBasedCompensationPerformanceBasedRestrictedStockUnitActivityTableTextBlock
Namespace Prefix:	mtrn_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

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 the changes in outstanding nonvested shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of activity for outstanding award under share-based payment arrangement excluding share and unit options and nonvested award.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfOtherShareBasedCompensationActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration