CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED STATEMENTS OF INCOME
NET SALES	$ 2,246,428	$ 2,060,702	$ 1,703,230
COST OF SALES	1,073,497	995,046	808,921
GROSS PROFIT	1,172,931	1,065,656	894,309
OPERATING EXPENSES	600,015	515,033	437,886
OPERATING INCOME	572,916	550,623	456,423
OTHER (EXPENSE) INCOME:
Interest and other (expense) income, net	(11,737)	(2,256)	1,619
Gain (loss) on investments and put option, net (Note 2)	2,715	787	(772)
Total other (expense) income	(9,022)	(1,469)	847
INCOME BEFORE PROVISION FOR INCOME TAXES	563,894	549,154	457,270
PROVISION FOR INCOME TAXES	225,233	209,134	171,051
NET INCOME	$ 338,661	$ 340,020	$ 286,219
NET INCOME PER COMMON SHARE:
Basic (in dollars per share)	$ 2.03	$ 1.96	$ 1.62
Diluted (in dollars per share)	$ 1.95	$ 1.86	$ 1.53
WEIGHTED AVERAGE NUMBER OF SHARES OF COMMON STOCK AND COMMON STOCK EQUIVALENTS:
Basic (in shares)	166,679	173,712	176,212
Diluted (in shares)	173,387	183,083	186,674