Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2020

QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]

Quarterly Financial Information Disclosure

QUARTERLY FINANCIAL DATA (UNAUDITED)

Quarterly financial data for the years ended December 31, 2020 and 2019 are as follows:

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
2020
Net sales	$	649,162	$	690,673	$	807,357	$	937,985
Gross profit	$	374,409	$	397,970	$	469,608	$	559,044
Net earnings	$	98,115	$	126,562	$	161,767	$	216,295
Basic earnings per common share:
Net earnings	$	4.08	$	5.29	$	6.76	$	9.15
Weighted average number of common shares	24,027,833		23,940,278		23,922,272		23,642,415
Diluted earnings per common share:
Net earnings	$	4.03	$	5.22	$	6.68	$	9.03
Weighted average number of common and common equivalent shares	24,353,477		24,228,989		24,225,204		23,965,853
Market price per share:
High	$	835.13	$	859.54	$	1,005.15	$	1,193.36
Low	$	589.41	$	630.58	$	804.79	$	966.92
2019
Net sales	$	679,452	$	731,366	$	753,866	$	843,968
Gross profit	$	388,319	$	419,538	$	435,056	$	498,298
Net earnings(a)	$	111,805	$	127,160	$	129,395	$	192,749
Basic earnings per common share:
Net earnings	$	4.50	$	5.15	$	5.28	$	7.95
Weighted average number of common shares	24,851,340		24,698,032		24,487,268		24,241,383
Diluted earnings per common share:
Net earnings	$	4.42	$	5.06	$	5.20	$	7.84
Weighted average number of common and common equivalent shares	25,310,525		25,118,352		24,880,179		24,599,702
Market price per share:
High	$	729.72	$	840.00	$	872.45	$	793.31
Low	$	513.56	$	701.80	$	642.84	$	658.61

(a) Net earnings includes a non-cash deferred net benefit of $15.8 million for the three months ended December 31, 2019 related to the enactment of Swiss tax reform.