Summarized Quarterly Data (unaudited)

Each of our fiscal quarters consists of thirteen week periods, beginning on the first day after the end of the prior fiscal quarter, except that the fourth quarter in a year with 53 weeks (such as Fiscal 2017) includes 14 weeks. Following is a summary of our Fiscal 2018 and Fiscal 2017, quarterly results (in thousands, except per share amounts):



	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total⁽¹⁾
Fiscal 2018
Net sales	$	272,628	$	302,641	$	233,662	$	298,535	$	1,107,466
Gross profit	$	164,146	$	179,297	$	129,279	$	164,402	$	637,124
Operating income	$	28,373	$	36,513	$	3,705	$	22,001	$	90,592
Net earnings⁽²⁾	$	20,567	$	27,184	$	1,861	$	16,679	$	66,291
Net earnings per share⁽²⁾:
Basic	$	1.24	$	1.63	$	0.11	$	1.00	$	3.97
Diluted	$	1.23	$	1.61	$	0.11	$	0.99	$	3.94
Weighted average shares outstanding:
Basic	16,639		16,683		16,694		16,698		16,678
Diluted	16,769		16,840		16,870		16,890		16,842
Fiscal 2017
Net sales	$	272,363	$	284,709	$	235,960	$	293,179	$	1,086,211
Gross profit	$	159,410	$	165,969	$	125,176	$	162,077	$	612,632
Operating income	$	29,959	$	36,402	$	1,124	$	18,515	$	86,000
Net earnings from continuing operations	$	17,197	$	22,689	$	1,072	$	23,743	$	64,701
Income from discontinued operations, net of taxes	$	—	$	—	$	—	$	389	$	389
Net earnings	$	17,197	$	22,689	$	1,072	$	24,132	$	65,090
Net earnings from continuing operations per share:
Basic	$	1.04	$	1.37	$	0.06	$	1.43	$	3.90
Diluted	$	1.03	$	1.36	$	0.06	$	1.41	$	3.87
Income from discontinued operations, net of taxes, per share:
Basic	$	—	$	—	$	—	$	0.02	$	0.02
Diluted	$	—	$	—	$	—	$	0.02	$	0.02
Net earnings per share:
Basic	$	1.04	$	1.37	$	0.06	$	1.45	$	3.92
Diluted	$	1.03	$	1.36	$	0.06	$	1.44	$	3.89
Weighted average shares outstanding:
Basic	16,549		16,605		16,618		16,624		16,600
Diluted	16,695		16,700		16,735		16,802		16,734
⁽¹⁾The sum of the quarterly net earnings per share amounts may not equal the amount for the year due to rounding.
⁽²⁾There were no net earnings from discontinued operations in Fiscal 2018.

The Fourth Quarters of Fiscal 2018 and Fiscal 2017 included a LIFO accounting charge of $0.7 million and $4.1 million, respectively. The full years of Fiscal 2018 and Fiscal 2017 included a LIFO accounting charge of $0.8 million and $7.8 million, respectively. Additionally, the Fourth Quarter of Fiscal 2017 and Fiscal 2017 included a reduction of tax expense of $11.5 million related to U.S. Tax Reform as disclosed in Note 8.