Quarterly report pursuant to Section 13 or 15(d)

Cover Page

Cover Page
3 Months Ended
Dec. 31, 2020
Cover [Abstract]  
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Dec. 31, 2020
Current Fiscal Year End Date --12-31
Document Transition Report false
Entity File Number 0-09115
Entity Incorporation, State or Country Code PA
Entity Tax Identification Number 25-0644320
Entity Address, Address Line One Two Northshore Center
Entity Address, City or Town Pittsburgh
Entity Address, State or Province PA
Entity Address, Postal Zip Code 15212-5851
City Area Code 412
Local Phone Number 442-8200
Title of 12(b) Security Class A Common Stock, $1.00 par value
Trading Symbol MATW
Security Exchange Name NASDAQ
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 31,674,696
Entity Central Index Key 0000063296
Document Fiscal Year Focus 2021
Document Fiscal Period Focus Q1
Amendment Flag false