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Revenue - Percentages of Sales by End Market (Details) - End Market - Sales	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Percentage of Sales by End Market [Line Items]
Percentage of sales	100.00%	100.00%
Manufacturing
Percentage of Sales by End Market [Line Items]
Percentage of sales	68.00%	67.90%
Non-residential construction
Percentage of Sales by End Market [Line Items]
Percentage of sales	10.80%	12.30%
Other
Percentage of Sales by End Market [Line Items]
Percentage of sales	21.20%	19.80%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- 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.

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