CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Net sales	$ 678,692	$ 680,779	$ 2,059,781	$ 2,030,989
Total cost of sales	514,352	517,185	1,551,202	1,519,510
Gross profit	164,340	163,594	508,579	511,479
Selling, general and administrative expenses	110,200	103,504	326,809	308,283
Impairment of goodwill and intangible assets	15,780	0	15,780	0
Operating income	38,360	60,090	165,990	203,196
Other income (expenses):
Interest expense	(10,954)	(11,190)	(33,819)	(33,312)
Interest income	1,000	1,311	3,713	3,205
Costs associated with refinancing of debt	(14,820)	0	(14,820)	0
Loss from divestiture of grinding media business	0	0	(6,084)	0
Other	2,496	350	3,199	1,203
Total other income (expenses)	(22,278)	(9,529)	(47,811)	(28,904)
Earnings before income taxes	16,082	50,561	118,179	174,292
Income tax expense (benefit):
Current	10,777	21,163	35,214	50,264
Deferred	(1,686)	(7,268)	814	79
Total income tax expense (benefit)	9,091	13,895	36,028	50,343
Net earnings	6,991	36,666	82,151	123,949
Less: Earnings attributable to noncontrolling interests	(2,543)	(1,458)	(5,462)	(4,098)
Net earnings attributable to Valmont Industries, Inc.	$ 4,448	$ 35,208	$ 76,689	$ 119,851
Earnings per share:
Basic (in dollars per share)	$ 0.20	$ 1.56	$ 3.42	$ 5.33
Diluted (in dollars per share)	0.20	1.55	3.40	5.28
Cash dividends declared per share (in dollars per share)	$ 0.375	$ 0.375	$ 1.125	$ 1.125
Weighted average number of shares of common stock outstanding - Basic (in shares)	22,215	22,527	22,421	22,505
Weighted average number of shares of common stock outstanding - Diluted (in shares)	22,352	22,751	22,574	22,717
Product sales
Net sales	$ 597,469	$ 602,080	$ 1,816,597	$ 1,807,539
Total cost of sales	460,547	462,854	1,389,832	1,366,875
Services sales
Net sales	81,223	78,699	243,184	223,450
Total cost of sales	$ 53,805	$ 54,331	$ 161,370	$ 152,635