QUARTERLY FINANCIAL INFORMATION (unaudited)

12 Months Ended

Dec. 31, 2020

The following table contains selected financial information from unaudited statements of income for each quarter of 2020 and 2019:


	Quarters Ended
	2020								2019
	Dec. 31		Sept. 30		June 30		Mar. 31		Dec. 31		Sept. 30		June 30		Mar. 31
Revenues	$	283,285	$	285,746	$	271,091	$	276,541	$	288,837	$	275,400	$	275,124	$	247,066
Gross profit	138,669		143,509		131,203		129,131		142,275		130,717		127,860		116,048
Income before income taxes	48,412		49,936		41,811		34,883		47,790		40,552		36,419		35,077
Net income	54,094		39,284		53,892		47,550		46,790		40,390		31,999		27,348
Earnings per diluted share	$	1.29	$	0.94	$	1.30	$	1.16	$	1.15	$	1.00	$	0.80	$	0.69
Shares used in computing diluted earnings per share	41,925		41,606		41,416		41,144		40,736		40,280		39,813		39,585