Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2021

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Data (Unaudited)

Quarterly Financial Data (Unaudited)

The table below summarizes the unaudited quarterly results of operations for the past two years (in thousands, except per share data):

	Quarter
	2021								2020
	First		Second		Third		Fourth		First		Second		Third		Fourth
Net sales	$	1,060,745	$	1,787,833	$	1,411,448	$	1,035,557	$	677,288	$	1,280,846	$	1,139,229	$	839,261
Gross profit	301,131		551,685		441,899		322,376		189,629		373,481		328,698		239,095
Net income	98,655		259,695		184,665		107,609		30,912		157,555		119,098		59,174
Earnings per share:
Basic	$	2.45	$	6.47	$	4.60	$	2.68	$	0.77	$	3.94	$	2.97	$	1.47
Diluted	$	2.42	$	6.37	$	4.54	$	2.65	$	0.75	$	3.87	$	2.92	$	1.45

The sum of basic and diluted earnings per share for each of the quarters may not equal the total basic and diluted earnings per share for the annual periods because of rounding differences and a difference in the way that in-the-money stock options are considered from quarter to quarter.