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Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Schedule of Selected Quarterly Financial Data

Selected quarterly financial data for 2020 and 2019 are as follows:


			Three Months Ended
			March(1)						June(2)						September(3)						December(4)
2020
Net sales			$	214,010					$	157,785					$	237,835					$	252,828
Gross profit			119,159						71,929						133,698						135,514
Net income (loss)			5,927						(27,400)						6,850						24,140
EPS:
Basic			$	0.21					$	(0.96)					$	0.24					$	0.84
Diluted			0.20						$	(0.96)					$	0.23					$	0.81


			Three Months Ended
			March(5)						June(6)						September(7)						December(8)
2019
Net sales			$	218,378					$	238,263					$	233,590					$	264,865
Gross profit			121,438						131,190						130,111						141,975
Net income			1,021						5,695						6,970						14,933
EPS:
Basic			$	0.04					$	0.20					$	0.25					$	0.53
Diluted			$	0.04					$	0.19					$	0.23					$	0.49