Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Data [Abstract]

Schedule of quarterly financial information (unaudited)

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total Year
	(In thousands, except per share amounts)
2019
Net revenues	$	719,143	$	748,697	$	732,901	$	809,823	$	3,010,564
Gross margin	611,670		638,218		605,983		690,646		2,546,517
Income from operations	122,844		117,082		110,831		185,361		536,118
Net income	110,348		93,495		270,857		207,113		681,813
Earnings per share - basic	0.84		0.71		2.08		1.59		5.21
Earnings per share - diluted	0.78		0.70		2.04		1.56		5.03
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Total Year
	(In thousands, except per share amounts)
2018
Net revenues	$	697,192	$	742,365	$	732,476	$	801,870	$	2,973,903
Gross margin	588,906		633,616		628,559		689,019		2,540,100
Income from operations	165,563		145,147		164,779		202,471		677,960
Net income	144,259		106,833		158,857		165,718		575,667
Earnings per share - basic	1.04		0.79		1.18		1.24		4.23
Earnings per share - diluted	0.99		0.73		1.08		1.15		3.94