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GUARANTOR/NON-GUARANTOR FINANCIAL INFORMATION - Condensed Consolidated Statements of Earnings (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 30, 2019 | Mar. 31, 2018
GUARANTOR/NON-GUARANTOR FINANCIAL INFORMATION |  |
Parent company's percentage ownership of Guarantors | 100.00% |
Condensed consolidated financial information for the Company (Parent), the guarantor subsidiaries and the non-guarantor subsidiaries |  |
Net sales | $ 692,139 | $ 698,684
Cost of sales | 527,010 | 529,444
Gross profit | 165,129 | 169,240
Selling, general and administrative expenses | 110,025 | 105,280
Operating income | 55,104 | 63,960
Other income (expense): |  |
Interest expense | (9,878) | (11,074)
Interest income | 810 | 1,267
Other | 3,846 | (1,141)
Total other income (expenses) | (5,222) | (10,948)
Earnings before income taxes | 49,882 | 53,012
Income tax expense (benefit): |  |
Deferred income taxes | 9,662 | 4,819
Total income tax expense (benefit) | 12,427 | 12,532
Earnings before equity in earnings of nonconsolidated subsidiaries | 37,455 | 40,480
Equity in earnings of nonconsolidated subsidiaries | 0 | 0
Net earnings | 37,455 | 40,480
Less: Earnings attributable to noncontrolling interests | (974) | (1,199)
Net earnings attributable to Valmont Industries, Inc. | 36,481 | 39,281
Eliminations |  |
Condensed consolidated financial information for the Company (Parent), the guarantor subsidiaries and the non-guarantor subsidiaries |  |
Net sales | (58,661) | (70,615)
Cost of sales | (59,036) | (72,327)
Gross profit | 375 | 1,712
Selling, general and administrative expenses | 0 | 0
Operating income | 375 | 1,712
Other income (expense): |  |
Interest expense | 3,541 | 3,880
Interest income | (3,541) | (3,880)
Other |  | 0
Total other income (expenses) | 0 | 0
Earnings before income taxes | 375 | 1,712
Income tax expense (benefit): |  |
Deferred income taxes | 0 | 0
Total income tax expense (benefit) | 56 | 137
Earnings before equity in earnings of nonconsolidated subsidiaries | 319 | 1,575
Equity in earnings of nonconsolidated subsidiaries | (30,793) | (27,316)
Net earnings | (30,474) | (25,741)
Less: Earnings attributable to noncontrolling interests | 0 | 0
Net earnings attributable to Valmont Industries, Inc. | (30,474) | (25,741)
Parent |  |
Condensed consolidated financial information for the Company (Parent), the guarantor subsidiaries and the non-guarantor subsidiaries |  |
Net sales | 299,002 | 315,992
Cost of sales | 225,127 | 235,596
Gross profit | 73,875 | 80,396
Selling, general and administrative expenses | 57,846 | 46,531
Operating income | 16,029 | 33,865
Other income (expense): |  |
Interest expense | (9,583) | (10,881)
Interest income | 111 | 176
Other | 3,537 | (106)
Total other income (expenses) | (5,935) | (10,811)
Earnings before income taxes | 10,094 | 23,054
Income tax expense (benefit): |  |
Deferred income taxes | 5,320 | 5,591
Total income tax expense (benefit) | 462 | 8,360
Earnings before equity in earnings of nonconsolidated subsidiaries | 9,632 | 14,694
Equity in earnings of nonconsolidated subsidiaries | 26,849 | 24,587
Net earnings | 36,481 | 39,281
Less: Earnings attributable to noncontrolling interests | 0 | 0
Net earnings attributable to Valmont Industries, Inc. | 36,481 | 39,281
Guarantors |  |
Condensed consolidated financial information for the Company (Parent), the guarantor subsidiaries and the non-guarantor subsidiaries |  |
Net sales | 139,507 | 121,171
Cost of sales | 103,312 | 94,459
Gross profit | 36,195 | 26,712
Selling, general and administrative expenses | 7,109 | 11,917
Operating income | 29,086 | 14,795
Other income (expense): |  |
Interest expense | (3,541) | (3,880)
Interest income | 12 | 10
Other | 10 | 12
Total other income (expenses) | (3,519) | (3,858)
Earnings before income taxes | 25,567 | 10,937
Income tax expense (benefit): |  |
Deferred income taxes | 0 | 1,791
Total income tax expense (benefit) | 5,950 | 2,677
Earnings before equity in earnings of nonconsolidated subsidiaries | 19,617 | 8,260
Equity in earnings of nonconsolidated subsidiaries | 3,944 | 2,729
Net earnings | 23,561 | 10,989
Less: Earnings attributable to noncontrolling interests | 0 | 0
Net earnings attributable to Valmont Industries, Inc. | 23,561 | 10,989
Non- Guarantors |  |
Condensed consolidated financial information for the Company (Parent), the guarantor subsidiaries and the non-guarantor subsidiaries |  |
Net sales | 312,291 | 332,136
Cost of sales | 257,607 | 271,716
Gross profit | 54,684 | 60,420
Selling, general and administrative expenses | 45,070 | 46,832
Operating income | 9,614 | 13,588
Other income (expense): |  |
Interest expense | (295) | (193)
Interest income | 4,228 | 4,961
Other | 299 | (1,047)
Total other income (expenses) | 4,232 | 3,721
Earnings before income taxes | 13,846 | 17,309
Income tax expense (benefit): |  |
Deferred income taxes | 4,342 | (2,563)
Total income tax expense (benefit) | 5,959 | 1,358
Earnings before equity in earnings of nonconsolidated subsidiaries | 7,887 | 15,951
Equity in earnings of nonconsolidated subsidiaries | 0 | 0
Net earnings | 7,887 | 15,951
Less: Earnings attributable to noncontrolling interests | (974) | (1,199)
Net earnings attributable to Valmont Industries, Inc. | $ 6,913 | $ 14,752

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