Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2018

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)
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
	First Quarter			Second Quarter		Third Quarter		Fourth Quarter			Total Year
	(In thousands, except per share amounts)
2017
Net revenues	$	662,677		$	693,227	$	690,925	$	777,857		$	2,824,686
Gross margin	560,219			583,915		584,988		655,918			2,385,040
Income from continuing operations	70,325			108,829		126,720		(283,889		)	21,985
Loss from discontinued operations, net of tax	(42,704		)	—		—		—			(42,704		)
Net income	27,621			108,829		126,720		(283,889		)	(20,719		)
Basic earnings per share:
Income (loss) from continuing operations	0.46			0.72		0.84		(1.93		)	0.15
Loss from discontinued operations	(0.28		)	—		—		—			(0.28		)
Basic earnings (loss) per share	0.18			0.72		0.84		(1.93		)	(0.13		)
Diluted earnings per share:
Income (loss) from continuing operations	0.44			0.70		0.82		(1.93		)	0.14
Loss from discontinued operations	(0.27		)	—		—		—			(0.27		)
Diluted earnings (loss) per share	0.17			0.70		0.82		(1.93		)	(0.13		)