XML 70 R32.htm IDEA: XBRL DOCUMENT
v3.20.1

Capital Stock - (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2020
Equity [Abstract] |
Capital Stock Disclosure | Common stock activity is summarized as follows:
| Three Months Ended March 31, 2020 |  | Three Months Ended March 31, 2019
(In thousands) | Common Stock |  | Treasury Cost |  | Common Stock |  | Treasury Cost
Balance at beginning of period | $ | 229,127 |  |  | $ | (303,566 | ) |  | $ | 211,806 |  |  | $ | (296,390 | )
Stock compensation expense | 3,522 |  |  | — |  |  | 2,745 |  |  | — |
Restricted and performance stock awards | (2,239 | ) |  | 2,239 |  |  | (2,411 | ) |  | 2,411 |
Stock options exercised | 1,757 |  |  | 976 |  |  | 959 |  |  | 506 |
Treasury shares purchased | — |  |  | (7,617 | ) |  | — |  |  | (7,446 | )
Share repurchase program | — |  |  | (20,113 | ) |  | — |  |  | — |
Balance at end of period | $ | 232,167 |  |  | $ | (328,081 | ) |  | $ | 213,099 |  |  | $ | (300,919 | )

X
- Definition Capital stock disclosure. + References No definition available. + Details
Name: | msa_CapitalStockDisclosureTableTextBlock
Namespace Prefix: | msa_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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