Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Selected Quarterly Financial Information [Abstract]

Schedule of Quarterly Financial Data

	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
2019
Net sales	$	302,293	$	322,006	$	323,674	$	301,157
Gross profit		112,411		121,988		122,046		109,362
Net income attributable to common shareholders		31,716		36,284		38,060		47,190
Earnings per share attributable to common shareholders
Basic	$	0.63	$	0.72	$	0.75	$	0.92
Diluted	$	0.62	$	0.70	$	0.73	$	0.90
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
2018
Net sales	$	274,512	$	304,085	$	320,946	$	314,446
Gross profit		98,595		107,268		115,214		114,199
Net income (loss) attributable to common shareholders		18,526		25,068		30,908		29,519
Earnings (loss) per share attributable to common shareholders
Basic	$	0.38	$	0.50	$	0.62	$	0.59
Diluted	$	0.37	$	0.49	$	0.61	$	0.58