XML 48 R37.htm IDEA: XBRL DOCUMENT
v3.7.0.1

EQUITY COMMON SHARE REPURCHASE PROGRAM (Details) | Jun. 30, 2017 shares
--- | ---
COMMON SHARE REPURCHASE PROGRAM [Abstract] |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased | 55,000,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased | 8,802,894

X
- Definition COMMON SHARE REPURCHASE PROGRAM [Abstract] + References No definition available. + Details
Name: | leco_COMMONSHAREREPURCHASEPROGRAMAbstract
Namespace Prefix: | leco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant