Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Net revenues	$ 4,607,471	$ 3,789,925	$ 3,582,395
Cost of sales	1,742,675	1,457,515	1,417,749
Gross profit	2,864,796	2,332,410	2,164,646
Selling, general and administrative expenses	1,654,552	1,277,847	1,136,728
Income from operations	1,210,244	1,054,563	1,027,918
Interest expense, net	180,566	111,559	84,225
Loss on extinguishment of debt	0	871	0
Other income/(expense), net	5,045	(1,481)	58,652
Earnings before income taxes	1,034,723	940,652	1,002,345
Income taxes	62,951	282,007	306,278
Net earnings	$ 971,772	$ 658,645	$ 696,067
Earnings per share:
Basic (in dollars per share)	$ 9.51	$ 6.50	$ 6.92
Diluted (in dollars per share)	$ 9.39	$ 6.43	$ 6.85
Weighted-average common shares outstanding:
Basic (in shares)	102,168	101,291	100,616
Diluted (in shares)	103,522	102,464	101,597