QUARTERLY FINANCIAL INFORMATION (UNAUDITED)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Selected quarterly financial data for the years ended December 31, 2018 and 2017 is as follows:



(thousands except per share data)	1Q		2Q		3Q		4Q		2018
Net sales	$	551,832	$	604,879	$	575,139	$	531,211	$	2,263,061
Gross profit	97,754		114,792		106,655		96,665		415,866
Net income	30,068		34,860		27,934		26,970		119,832
Net income per common share (1):
Basic	$	1.22	$	1.44	$	1.17	$	1.17	$	4.99
Diluted	1.20		1.42		1.15		1.15		4.93

(thousands except per share data)	1Q		2Q		3Q		4Q		2017
Net sales	$	345,427	$	407,145	$	407,511	$	475,570	$	1,635,653
Gross profit	57,549		71,500		69,183		80,683		278,915
Net income	17,467		21,260		17,945		29,046		85,718
Net income per common share (1):
Basic	$	0.76	$	0.86	$	0.73	$	1.18	$	3.54
Diluted	0.75		0.85		0.72		1.16		3.48

(1) Basic and diluted net income per common share are computed independently for each of the quarters presented. Therefore, the sum of quarterly basic and diluted net income per common share information may not equal annual basic and diluted net income per common share.

The Company maintains its financial records on the basis of a fiscal year ending on December 31, with the fiscal quarters spanning thirteen weeks, with the first, second and third quarters ending on the Sunday closest to the end of the first, second and third 13-week periods, respectively. The first three quarters of fiscal year 2018 ended on April 1, 2018, July 1, 2018 and September 30, 2018. The first three quarters of fiscal year 2017 ended on March 26, 2017, June 25, 2017 and September 24, 2017.