Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018		Dec. 31, 2017
Quarterly Financial Data [Abstract]
Net revenues	$ 809,823	$ 732,901	$ 748,697	$ 719,143	$ 801,870	$ 732,476	$ 742,365	$ 697,192	$ 3,010,564	$ 2,973,903	[1],[2]	$ 2,824,686	[1],[2]
Gross margin	690,646	605,983	638,218	611,670	689,019	628,559	633,616	588,906	2,546,517	2,540,100		2,385,040
Income from operations	185,361	110,831	117,082	122,844	202,471	164,779	145,147	165,563	536,118	677,960		570,997
Net income	$ 207,113	$ 270,857	$ 93,495	$ 110,348	$ 165,718	$ 158,857	$ 106,833	$ 144,259	$ 681,813	$ 575,667		$ (20,719)
Basic earnings per share (USD per share)	$ 1.59	$ 2.08	$ 0.71	$ 0.84	$ 1.24	$ 1.18	$ 0.79	$ 1.04	$ 5.21	$ 4.23		$ (0.13)
Diluted earnings per share (USD per share)	$ 1.56	$ 2.04	$ 0.70	$ 0.78	$ 1.15	$ 1.08	$ 0.73	$ 0.99	$ 5.03	$ 3.94		$ (0.13)

[1] As noted above, prior period amounts have not been adjusted under the modified retrospective method of adoption of the revenue recognition standard.

[2] Prior period amounts have not been adjusted under the modified retrospective method of adoption of the revenue recognition standard.