Product Warranty (Tables)

12 Months Ended

Jul. 31, 2012

Schedules of Warranty Reserves

	2012		2011		2010
Beginning Balance	$	66,054	$	51,467	$	41,717
Provision		74,491		61,922		57,314
Payments		(67,265)		(57,514)		(47,564)
Heartland acquisition		–		10,179		–
Ending Balance	$	73,280	$	66,054	$	51,467