XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.5.0.2

DEBT Senior Unsecured Notes (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2016
Senior Notes 2016 [Member] |
Debt Instrument [Line Items] |
Schedule of Debt [Table Text Block] | The maturity and interest rates of the 2016 Notes are as follows:
| Amount |  | Maturity Date |  | Interest Rate
Series A | $ | 100,000 |  |  | October 20, 2028 |  | 2.75 | %
Series B | 100,000 |  |  | October 20, 2033 |  | 3.03 | %
Series C | 100,000 |  |  | October 20, 2037 |  | 3.27 | %
Series D | 50,000 |  |  | October 20, 2041 |  | 3.52 | %
Senior Notes 2015 [Member] |
Debt Instrument [Line Items] |
Schedule of Debt [Table Text Block] | The maturity and interest rates of the 2015 Notes are as follows:
| Amount |  | Maturity Date |  | Interest Rate
Series A | $ | 100,000 |  |  | August 20, 2025 |  | 3.15 | %
Series B | 100,000 |  |  | August 20, 2030 |  | 3.35 | %
Series C | 50,000 |  |  | April 1, 2035 |  | 3.61 | %
Series D | 100,000 |  |  | April 1, 2045 |  | 4.02 | %

X
- 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
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=leco_SeniorNotes2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=leco_SeniorNotes2015Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |