Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Income Statement [Abstract]
Net sales	$ 378,186	$ 351,396	$ 1,048,835	$ 969,926
Cost of sales	138,089	148,594	377,589	388,755
Gross profit	240,097	202,802	671,246	581,171
Selling, general and administrative expense	143,830	133,617	412,540	373,453
Research and development expense	13,156	11,725	37,611	31,843
Amortization of intangibles	5,861	5,493	16,677	14,940
Operating income	77,250	51,967	204,418	160,935
Interest expense	2,315	3,217	9,049	14,436
Loss on extinguishment of debt	1,404	0	1,404	16,487
Other (expense) income, net	(2,223)	386	(1,230)	(128)
Income before income taxes	71,308	49,136	192,735	129,884
Provision for income taxes	4,433	4,919	16,316	11,092
Net income	$ 66,875	$ 44,217	$ 176,419	$ 118,792
Basic earnings per share (in dollars per share)	$ 1.39	$ 0.93	$ 3.69	$ 2.55
Diluted earnings per share (in dollars per share)	$ 1.36	$ 0.90	$ 3.60	$ 2.46
Number of shares used to compute earnings per share:
Basic (in shares)	48,110	47,322	47,832	46,606
Diluted (in shares)	49,302	49,009	49,069	48,362