Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Consolidated Statements Of Income
Net sales	$ 351,396	$ 295,635	$ 969,926	$ 845,165
Cost of sales	148,594	119,649	388,755	355,923
Gross profit	202,802	175,986	581,171	489,242
Selling, general and administrative expense	133,617	111,265	373,453	323,183
Research and development expense	11,725	8,588	31,843	24,788
Restructuring costs	0	14	0	424
Settlement of preexisting relationship	6,080	0	0	0
Amortization of intangibles	5,493	4,723	14,940	13,439
Operating income	45,887	51,396	160,935	127,408
Interest expense	3,217	8,729	14,436	28,684
Loss on extinguishment of debt	0	0	16,487	0
Litigation settlement charge	0	0	0	27,000
Other income (expense), net	386	985	(128)	(1,174)
Income before income taxes	43,056	43,652	129,884	70,550
Provision for income taxes	4,919	3,925	11,092	5,945
Net income	$ 38,137	$ 39,727	$ 118,792	$ 64,605
Basic earnings per share	$ 0.81	$ 0.87	$ 2.55	$ 1.42
Diluted earnings per share	$ 0.78	$ 0.86	$ 2.46	$ 1.40
Number of shares used to compute earnings per share:
Basic	47,322	45,605	46,606	45,459
Diluted	49,009	46,402	48,362	46,232