Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011
Current assets:
Cash and cash equivalents	$ 218,642	$ 215,435
Accounts receivable:
Trade, less allowance for doubtful accounts - $527 in 2012 and $549 in 2011	221,655	162,188
Other	10,430	7,305
Inventories	186,083	184,498
Notes receivable	1,000	7,562
Prepaid expenses and other	6,179	5,191
Deferred income taxes	40,897	41,588
Total current assets	684,886	623,767
Property, plant and equipment:
Land	23,704	23,261
Buildings and improvements	166,868	162,627
Machinery and equipment	84,863	82,349
Total cost	275,435	268,237
Less accumulated depreciation	111,041	100,023
Net property, plant and equipment	164,394	168,214
Investments - Joint venture	1,739	2,741
Other assets:
Goodwill	245,209	244,452
Amortizable intangible assets	114,227	125,255
Long-term notes receivable	22,160	22,801
Other	10,439	10,840
Total other assets	392,035	403,348
Total Assets	1,243,054	1,198,070
Current liabilities:
Accounts payable	143,139	119,494
Accrued liabilities:
Compensation and related items	41,295	34,599
Product warranties	73,280	66,054
Income and other taxes	16,129	14,037
Promotions and rebates	11,053	12,345
Product/property liability and related liabilities	11,044	16,241
Other	15,150	15,828
Total current liabilities	311,090	278,598
Other liabilities	15,687	15,315
Unrecognized income tax benefits	44,516	43,024
Deferred income taxes, net	20,934	24,859
Total long-term liabilities	81,137	83,198
Contingent liabilities and commitments
Stockholders' equity:
Preferred stock-authorized 1,000,000 shares; none outstanding
Common stock-par value of $.10 a share; authorized, 250,000,000 shares; issued 61,777,849 shares in 2012 and 61,697,349 shares in 2011	6,178	6,170
Additional paid-in capital	192,248	190,127
Retained earnings	918,565	829,148
Accumulated other comprehensive loss-unrealized loss on available-for-sale investments	(60)	(67)
Less treasury shares of 8,857,339 in 2012 and 5,857,339 in 2011, at cost	(266,104)	(189,104)
Total stockholders' equity	850,827	836,274
Total Liabilities and Stockholders' Equity	$ 1,243,054	$ 1,198,070