CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2011	Feb. 28, 2011
Current assets:
Cash and cash equivalents	$ 141,841	$ 170,387
Accounts receivable, net	50,654	64,714
Inventories	43,884	47,232
Deferred income taxes, net	18,680	31,156
Other current assets	15,854	8,047
Total current assets	270,913	321,536
Property, plant and equipment, net	65,126	67,382
Goodwill	115,683	77,273
Intangible assets, net	32,939	31,745
Long-term investments, net	26,812	29,490
Investments in equity securities	2,042	2,042
Deferred income taxes, net	6,161	6,074
Other assets	3,821	3,550
TOTAL ASSETS	523,497	539,092
Current liabilities:
Accounts payable	20,490	27,171
Deferred income from distribution	16,678	16,167
Accrued expenses and other liabilities	62,431	72,459
Total current liabilities	99,599	115,797
Deferred income taxes	4,616	4,519
Other liabilities	21,634	21,869
Commitments and contingencies
Shareholders' equity:
Preferred stock	0	0
Common stock	2,791	2,749
Additional paid-in capital	374,202	359,790
Retained earnings	142,083	127,291
Treasury stock, at cost	(127,279)	(101,411)
Accumulated other comprehensive income	5,851	8,488
Total shareholders' equity	397,648	396,907
TOTAL LIABILITIES & SHAREHOLDERS' EQUITY	$ 523,497	$ 539,092