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v3.19.1

Segment Information (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) segment | Mar. 31, 2018 USD ($)
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Number of reportable segments | segment | 3 |
Net sales: | $ 227,417 | $ 215,337
Income from operations: | 43,900 | 48,318
Unallocated Corporate Expenses | (7,285) | (6,059)
Total income from operations | 10,566 | 13,843
Residential Products |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Net sales: | 103,709 | 103,948
Income from operations: | 12,090 | 13,238
Industrial and Infrastructure Products |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Net sales: | 54,871 | 54,403
Income from operations: | 4,129 | 2,602
Renewable Energy & Conservation |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Net sales: | 68,837 | 56,986
Income from operations: | 1,632 | 4,062
Operating Segments | Residential Products |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Net sales: | 103,709 | 103,948
Operating Segments | Industrial and Infrastructure Products |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Net sales: | 55,188 | 54,624
Intersegment Elimination |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Net sales: | $ (317) | $ (221)

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